Jcl Training (7 Days)

7/23/2019 Jcl Training (7 Days)

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Introduction

Data Organization

JCL Introduction

JCL JOB statement

JCL EXEC statement

JCL DD statement

CONTENTS


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JCL stand for JOB CONTROL LANGAGE

Language !e use to

Contro" t#e e$ecution of

Jo%&s in t#e s'stem

Descri%ing t#e (o%

Ca""ing t#e )rogram

Descri%ing t#e resources eg* Datasets*

+#at is JCL


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JCL Defines t#e re,uirements of a (o% to t#e o)erating s'stem

Accounting information

+#ic# )rogram to e$ecute

Se,uence of e$ecution

Dataset re,uired

-ard!are re,uired

Direction .!#at is to %e done/

JCL Contd0*


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11 JOB

11 EXEC

11 DD

JOB STATE2ENT

Gi3es t#e name of t#e (o% and su))"ies accounting information

EXEC STATE2ENT

Ca""s t#e s)ecified )rogram or )rocedure

DD STATE2ENT

Descri%es t#e resources t#e )rogram needs

JCL STATE2ENT


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Jo% Contro" statements used to %e )unc#ed onto cards* T#ese cards

!ere read into t#e s'stem from a "oca" card reader*

T#e cards needed for one (o% is ca""ed a %atc#* T#is is !#' !e ca"" t#e

(o%s running under contro" of JES4 BATC- (o%s* 2an' )eo)"e !#o

#a3e %een !or5ing !it# com)uters for a "ong time often ca"" t#e

JCL6statements4 JCL6cards and t#e statements sti"" #a3e t#e same

size as a )unc#ed card4 78 )ositions*

One JCL statement is one ro! on t#e termina" screen

T#e most common JCL statements1 cards are9

JOB statement

EXEC statement.E$ecution/

DD statement .Data definition/

JCL STATE2ENT -ISTOR:


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S:S*;ROCLIB

IN;T CON


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IN;T

T#is is t#e )rocess !#ere a (o% !i"" enter t#e s'stem and is

gi3en a num%er* T#e JOB ID num%er !#ic# !i"" %e id of t#e (o% as

"ong as it is in t#e s'stem* T#e accounting information in t#e (o%

card is tested and an' JES commands area e$ecuted* T#e JCLstatements are )ut on t#e S;OOL dataset in t#e in)ut ,ueue*

CON


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CEXECTION

T#e interna" te$t for t#e (o% is read into an initiator and t#e (o%

!i"" e$ecute*

OT;T

-ere t#e resu"t !i"" %e formatted according to t#e (o% c"ass or

t#e statements in t#e (o%* T#e resu"ts are out on t#e s)ecifiedout)ut ,ueue*

;RINT1;NC-

T#is is t#e )rocess t#at #e")s 'ou to get #o"d of t#e out)ut* It

cou"d %e )rinted on a "oca" )rinter4 or send to a remote )rinter or

e3en anot#er s'stem*

;RGE

+#en a"" t#e resu"ts of t#e (o% are )rinted it is time for a c"ean

u)* T#e )urge )rocess !i"" #e") us to do t#at and it !i"" re"ease t#e

JOB ID t#at is generated !#en t#e (o% entered t#e s'stem*

JES ;ROCESSORS


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C-EC? ;OINT

JOB =EE

JOB CLASS 2 INIT @ INIT 14 Z JOB JOB JOB 145 C CLASSES CLASSES CLASSES 146 Z A, Z,B,C S,B,A C,Z 1078 T 2001 A 2002 B

CLASS A2001

CLASS B2002CLASS C145CLASS Z14146CLASS T1078

JOB SELECTION


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Batc# (o%s run in initiator address s)aces and t#ose can %e started

to ser3e different (o% c"asses*

One initiator can %e started !it# se3era" (o% c"asses4 t#e' are

se"ected in )riorit' order4 in accordance !it# t#e c"ass definition of

t#e initiator !#en it !as started*

+#en an initiator is id"e4 it re,uest !or5 from JES address s)ace*

JES t#en !i"" "oo5 at t#e ,ueue and se"ect t#e #ig#est )riorit' (o%

for t#is initiator*

JOB SELECTION


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C JOB ;AC? AREA ;AGABLE LIN? ;AC? AREA

.;L;A/

JOBLIB STE;LIB S:S>*LIN?LIB

.LN?LST$$/

IXED LIN? ;AC?

AREA.L;A/ ABEND 78

2ODIIED LIN? ;AC?

AREA.2L;A/

;ROGRA2 2ANAGE2ENT SEARC- SE=ENCE


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IDENTIIER

NA2E IELD

O;ERATION IELD

;ARA2ETER IELD

11JNA2E JOB .ACCONT NR/4&;ROG NA2E&4

11 NOTI:SERID11STE;> EXEC ;G2TEST

11S:SIN DD DSNSERID*XX*DATA4DIS;S-R

11S:S;RINT DD S:SOTF

JCL ;ARA2ETER IELDS


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Eac# (o% contro" statement is "ogica""' di3ided into t#e fo""o!ing

fi3e fie"ds

IDENTIIER IELD

NA2E IELD

O;ERATION IELD

;ARA2ETER IELD

CO22ENT IELD

JCL ;ARA2ETER IELDS


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co" >

11 JCL

1F DELI2ITER or JES@ CONTROL STATE2ENTS

11F CO22ENT or JES CONTROL STATE2ENTS

T#e identifier fie"d indicate to t#e s'stem t#at a statement is aJCL statement4 de"imiter statement or a comment statement*

JCL6 IDENTIIER IELD


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11TSOI8XXA JOB

11STE;> EXEC 0*

11INDATA DD 00

T#e NA2E IELD identifies a contro" statement t#at ot#er

statements and t#e s'stem can reference

must %egin in co"umn

> to 7 a")#anumeric.A6H4 8 / or nationa" c#aracters.4K4 /

first c#aracter must %e a")#a%etic or nationa"

name fie"d must %e fo""o!ed %' at "east one %"an5

JCL statement NA2E IELD


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11TSOI8XXA JOB

11STE;> EXEC 0*

11INDATA DD 00

11ITEST I

11LIB JCLLIB

T#e O;ERATION IELD s)ecifies t#e t')e of contro" statement t#at

fo""o!s t#e name fie"d

must %e )receded and fo""o!ed %' at "east one %"an5

can contain JOB4 EXEC4 DD4 JCLLIB4 CO22AND4 I etc0

JCL statement O;ERATION IELD


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11TSOI8XXA JOB DA4DOE42SGCLASSA

11STE;> EXEC ;G2SORT

11INDATA DD DSNSERID*NE+*DATA4DIS;S-R

T#e ;ARA2ETER IELD contain one or more )arameters se)arated

%' commas

fo""o!s t#e o)eration fie"d

NO %"an5 %et!een )arameters

use commas to se)arate )arameters

)receded and fo""o!ed %' at "east one %"an5

)arameters can %e coded u) to )osition >

JCL statement ;ARA2ETER IELD


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11STE;> EXEC ;G2SORT STE; >

11INDATA DD DSNSERID*NE+*DATA4DIS;S-R IN;T DATA

T#e CO22ENT IELD contain information 'ou find #e")fu" !#en

'ou code t#e JCL statement*

must fo""o! t#e )arameter fie"d

must %e )receded %' at "east one %"an5can %e coded u) to )osition 78

must not %e used un"ess t#ere is a )arameter fie"d

JCL statement CO22ENT IELD


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> >

11NA2E O;ERATION ;ARA2ETER4

11 ;ARA2ETER4;ARA2ETER

11OTDATA DD DSNSERID*NE+*DATA4

11 DIS;.NE+4CATLG/4NITS:SDA4S;ACE.TR?4.>4>//4

11 DCB.LRECL784REC2B4BL?SIHE>8/

Interru)t t#e fie"d after a com)"ete )arameter or su%)arameter

inc"uding t#e comma t#at fo""o!s4 at or %efore co"umn >*Code 11 in t#e co"umn > and @ of t#e fo""o!ing statement*

Continuation can start from co"umn M t#roug# >*

JCL statement CONTINATION O STATE2ENT


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;OS

> @ > @

1 1STE;> EXEC 2:;ROC T-IS STATE2ENT CALLS A C

1 1 ;ROCEDRE NA2ED 2:;ROC

1 1 F ;ROCEDRE

Interru)t t#e comment at a con3enient )"ace %efore co"umn

@

Code non %"an5 c#aracter in co"umn @

Code 1 1 in co"umn > and @ of t#e fo""o!ing statement

Continue t#e comment fie"d %eginning in an' co"umn after

co"umn

Note9 T-E CO22ENT STATE2ENT CAN NOT BE CONTINED

JCL statement CONTINING T-E CO22ENT IELD


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11NA2E O;ERATION ;>4;@4;4?>A11NA2E O;ERATION 4;@4;4?>A

11NA2E O;ERATION ;>4?>A4?@B

11NA2E O;ERATION ?>A4?C4?@B

T#e ;OSITIONAL ;ARA2ETERS

must %e first

must %e in a s)ecific order

a%sence must %e indicated %' a comma

if t#e "ast one is a%sent4 no comma necessar'if a"" are a%sent4 no comma is necessar'*

Eg*

TI2E.48/ TI2E./ TI2E

TI2E.848/ TI2E.48/ TI2E.8/ TI2E8

JCL statement ;OSITIONAL ;ARA2ETERS


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11NA2E O;ERATION ?>A4?@B4?C

11NA2E O;ERATION ;>4?@B

11NA2E O;ERATION 4;@4?@B4?>A

?E:+ORD ;ARA2ETERS

must %e after an' )ositiona" )arameterscan %e an' order !it# res)ect to one anot#er

need not indicate a%sence of a 5e'!ord )arameter

JCL statement ?E:+ORD ;ARA2ETERS

JCL t t t ;OSITIONAL AND


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CDIS;OLD

DIS;.NE+4?EE;4?EE;/

DIS;.4?EE;4?EE;/

DCB.REC2B4LRECL784BL?SIHE788/

DCB.LRECL784REC2B/

;OSITIONAL AND ?E:+ORD ;ARA2ETERS

?E:+ORD ;ARA2ETERS

must %e after an' )ositiona" )arameters

can %e an' order !it# res)ect to one anot#er

need not indicate a%sence of a 5e'!ord )arameter

JCL statement ;OSITIONAL AND?E:+ORD SB;ARA2ETERS


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11JOBNA2E JOB 00*

ACCT FIELD CLASS

PGMER NAME NOTI:

2SGLE


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;OSITIONAL ;ARA2ETERS ON T-E JOB STATE2ENT

11RNA JOB DE;TA4DOE4000

11RNB JOB PD74C&4&C T-O2SON&4000*

11RNC JOB .PD1@&4->@M/4JDOE400

11RND JOB DE;TB*&O&&DONNELL&400*

;ositiona" )arameters on t#e JOB CARD

ACCONTING INOR2ATION;ro3ides accounting information t#at insta""ation re,uires

;ROGRA22ERS&S NA2E

Identifies t#e )erson or grou) res)onsi%"e for t#at (o%

JOB STATE2ENT


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?E:+ORD ;ARA2ETERS ON T-E JOB STATE2ENT

11RNA JOB DE;TMA4DA/42SGCLASSA4

11 CLASSA4NOTI:TSO884T:;RNSCAN

T#e 5e'!ord )arameters

2SGLE


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2SGCLASSAssigns t#e (o% "og to an out)ut c"ass

S'nta$ 2SGCLASSn !#eren is A t#roug# H or 8 t#roug#

CLASS

Assigns t#e (o% to a c"ass

S'nta$ CLASSn !#ere n isA t#roug# H or 8 t#roug#

NOTI:

Re,uests t#at t#e s'stem send a message to t#e TSO userid s)ecified!#en t#e (o% com)"etes )rocessing

S'nta$ NOTI:userid !#ere userid is> t#roug# a")#anumeric c#aracters and must %e a 3a"id userid

JOB STATE2ENT


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T:;RN

sed to re,uest s)ecia" (o% )rocessing

S'nta$ T:;RN.SCAN1-OLD/SCAN Re,uests t#at t#e s'stem scan t#is (o%&s JCL for s'nta$

errors4 !it#out e$ecuting t#e (o% or a""ocating an' de3ices* T#is )arameteras5s t#e s'stem to c#ec5 for9

In3a"id s)e""ing of )arameter 5e'!ords and some su%6)arameter5e'!ords

In3a"id c#aractersn%a"ances )arent#esis2is)"aced )ositiona" )arameters on some statements

In3a"id s'nta$ on JCL statements in a cata"ogued )rocedure in3o5ed %'an' scanned EXEC statements

-OLD Re,uest t#at t#e s'stem #o"d t#e (o% %efore e$ecution*-o!e3er JCL )rocessing is )erformed and t#e (o% !i"" not %e #e"d if an erroroccurs*

JOB STATE2ENT


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TI2ES)ecifies t#e ma$imum amount of time a""o!ed for t#e (o%

S'nta$ TI2E.$4'/ !#ere$ for minutes and' for seconds

T#e 3a"id range of minutes is > t#roug# >@.@M7* da's/T#e 3a"id range of seconds is > t#roug#

TI2ENOLI2ITNOLI2IT s)ecifies t#at t#e (o% can use t#e )rocessor for an un"imitedamount of time* NOLI2IT is same as t#at of TI2E>MM8

TI2E2AXI222AXI22 s)ecifies t#at t#e ste) can use t#e )rocessor for t#e

ma$imum amount of time* A""o!s t#e (o% to run for >@ minutes*

JOB STATE2ENT


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RESTARTRestart refers to t#e continuation of a )re3ious a%orted (o% stream

S'nta$ RESTARTSte)name

Restart )arameter s)ecifies t#e ne! starting ste) for a (o%

E$am)"e*

11JOBNA2E JOB 0004RESTARTSTE;

-ere t#e (o% start from t#e ste)name STE; %' )assing t#e ste)s )rior to t#este) STE;*

JOB STATE2ENT


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;RT:+it#in a JES@ (o% c"ass or a JES (o% c"ass grou)4 t#e s'stem se"ects

(o%s for e$ecution in order %' )riorit'* T#e #ig#er t#e )riorit' num%er4 t#esooner t#e (o% is se"ected* Jo%s !it# t#e same )riorit' are se"ected on afirst6in first6out %asis*

S'nta$ 11(o%name JOB acct4)rogname4;RT:$

!#ere n is an integer* T#e ma$imum 3a"ue of n is >*

E$am)"e*

11JOB>8 JOB 4QLO JONESQ4;RT:>M

Note9

In a JES@ s'stem4 t#ere are a num%er of factors t#at determine t#e order in!#ic# a )articu"ar (o% is se"ected for e$ecution* T#erefore4 'ou cannot %eassured t#at (o% )riorit' .%ased on t#e ;RT: 'ou assign a (o%/ or t#e order of(o% su%mission !i"" guarantee t#at t#e (o%s !i"" e$ecute in a )articu"ar order*

JOB STATE2ENT


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SER

T#e SER )arameter can %e coded on t#e JOB statement to identif' t#e)erson su%mitting t#e (o%*

Example

11TSO88MJ JOB ACCT>4PSA2 T-O2ASQ4SERID@DB;

REGIONT#e amount of s)ace needed %' a (o% or ste) can %e s)ecified in t#e

REGION )arameter of t#e JOB or EXEC statement* If REGION is on t#e JOBstatement4 eac# ste) of t#e (o% e$ecutes in t#e re,uested amount of s)ace*If on t#e EXEC statements in a (o%4 eac# ste) e$ecutes in its o!n amount ofs)ace* se t#e EXEC statement REGION )arameters !#en different ste)s needgreat"' different amounts of s)ace*E$am)"e 9

11J@7 JOB 4Q* GOLAHES?IQ4CLASSD4REGION@8?

JOB STATE2ENT


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RESTARTRestart refers to t#e continuation of a )re3ious a%orted (o% stream

S'nta$ RESTARTSte)name

Restart )arameter s)ecifies t#e ne! starting ste) for a (o%

E$am)"e*

11JOBNA2E JOB 0004RESTARTSTE;

-ere t#e (o% start from t#e ste)name STE; %' )assing t#e ste)s )rior to t#este) STE;*

JOB STATE2ENT


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11Name CO22AND Pcommand command6o)erand&

11C> CO22AND PS R2T>& >11C@ CO22AND PSEND P PT-E CO2;LIE STE; IS NO+

CO2;LETE& P4 SERTSO88@&

>CO22AND S)ecifies an 2 and @ co"umn and ma' #a3e M fie"ds

Name.o)tiona"/O)eration.CO22AND/;arameter .t#e )arameter fie"d s)ecifies t#e name of t#e command4 at

"east one %"an54 and t#en t#e o)erands for t#e command4 a"" enc"osed ina)ostro)#es/

Comments.o)tiona"/

JES@ CONTROL STATE2ENT


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>* Identif' t#e fo""o!ing as 3a"id or in3a"id e$am)"es of (o% names*If in3a"id !#'

11JOB> 11ABCD11RN 11TESTM11FRN 11>K;A:8>>

@ se t#e fo""o!ing information and code a (o% statement*JOBNA2E ABC>

ACCONT DM>;G2*NA2E :ONG2ESSAGE CLASS E;RINT ALL JCL STATE2ENTS;RINT ALL 2ESSAGES

se t#e fo""o!ing information and code a (o% statementJOBNA2E ABC@ACCONT 6;G2*NA2E 2 S2IT-2ESSAGE CLASS C;RINT ONL: JOB STATE2ENTNO 2ESSAGES

JOB Statement ;a)er E$ercise
mailto:1@PAY011mailto:1@PAY011


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M se t#e fo""o!ing information and code a (o% statement*JOBNA2E ABCACCONT >7@7;G2*NA2E +OODS2ESSAGE CLASS D

NOTI: ABC;RINT ALL JCL STATE2ENTSNO 2ESSAGES

se t#e fo""o!ing information and code a (o% statementJOBNA2E ABCM

ACCONT >@4M;G2*NA2E :OR NA2E2ESSAGE CLASS EEXECTION CLASS ANOTI: ABC

JOB Statement ;a)er E$ercise


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After su%mitting a (o%4 go t#roug# t#e (o% "og

11RN> JOB ;GT>@4&2 S2IT-&4NOTI:TSO88@42SGCLASSA411 CLASA42SGLE4>/11STE;> EXEC ;G2IEBR>M11DD> DD DSNTSO88@*NE+*DATA4DIS;.NE+4CATLG/411 S;ACE.TR?4.@4>4//4LRECL784REC2B4BL?SIHE>8

11S:S;RINT DD S:SOTFS;LIT SCREEN JES JOB LOG 6666666S:STE2 ?>@ 000*

>8*>@* JOB 7>@ IEM@I JOBAIL JOB NOT RN 6 JCL ERROR666666666666666666 JES@ JOB STATISTICS 6666666666666666

CARDS READ0*000*

ST2T NO 2ESSAGE> IE8> NIDENTIIED ?E:+ORD CLAS

JES JOB LOG

EXEC STATE2ENT


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11STE;NA2E EXEC 00** ;G2 COND

;ROC D;RT:;ROCNA2E D:NA2NBR

;AR2;EROR2RD

ACCT REGIONADDRS;C TI2E

EXEC STATE2ENT Eac# (o% ste) %egins !it# an EXEC statement t#at eit#er names t#e

)rogram to e$ecute or in3o5e a cata"ogued or in6stream )rocedure

Re,uired for eac# (o% ste) 2a$imum of @ (o% ste)s Consists of 11 in co"umns > and @ and ma' #a3e four fie"ds

Name.ste)name/ O)eration.EXEC/ ;arameter .)ositiona" and 5e'!ord/ comments

EXEC STATE2ENT

EXEC STATE2ENT


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;OSITIONAL ;ARA2ETERS ON T-E EXEC STATE2ENT

11STE;NA2E EXEC ;G2IEBR>M11STE;NA2E EXEC ;ROC2:;ROC11STE;NA2E EXEC 2:;ROC

T#e )ositiona" )arameters on t#e EXEC statement

;ROGRA2 NA2E;ro3ides t#e name of t#e )rogram to %e e$ecuted

;ROCEDRE NA2EIdentifies t#e )rocedure to %e ca""ed and e$ecuted*

EXEC STATE2ENT

EXEC STATE2ENT


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?E:+ORD ;ARA2ETERS ON T-E EXEC STATE2ENT

11RNA JOB 000000000*

11STE;@ EXEC ;G2TEST4

11 COND.M4E=4STE;>/4REGION>824

11 TI2E.48/4;EROR284;AR2T>4

11 D;RT:.>4>/4ACCT.acct info*/4

11 D:NA2NBR>84RDNC4ADDRS;CREAL

EXEC STATE2ENT

EXEC STATE2ENT


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ACCT

S)ecifies accounting information for t#is ste) on"'* An'

information coded #ere o3errides t#at coded on t#e (o% statement* If

accounting information needs to %e o3erridden for a gi3en ste) of a

ca""ed )rocedure t#is can %e done %' t#e inc"usion of a )rocste)name

)arameter*

S'nta$ ACCT*)rocste)name accounting information* T#eru"e for coding t#e accounting information are identica" to t#e ru"esfor accounting information on t#e (o% statement*

A sing"e )arameter or a "ist of )arameters se)arated %'commas and enc"osed %' )arent#eses*

No more t#an >M@ c#aracters inc"uding commas*

A)ostro)#es needed for s)ecia" c#aracters

EXEC STATE2ENT

EXEC STATE2ENT


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ADDRS;C

ADDRS;C indicates t')e of storage for t#is ste) on"'4 3irtua" or

rea"* T#is )arameter cannot o3erride a s)ecific ADDRS;C coded on t#e

(o% statement4 %ut ma' o3erride t#e s'stem defau"t* If ADDRS;C needs

to %e o3erridden for a gi3en ste) of a ca""ed )rocedure t#is can %e

done %' t#e inc"usion of a )rocste)name )arameter*

S'nta$9 ADDRS;C*)rocste)ameU


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CONDCOND s)ecifies return code test used to determine if t#is ste) is

to %e e$ecuted or %')assed* T#e format of t#e COND in t#e EXECstatement is simi"ar to t#at of JOB statement4 e$ce)t a ste)name isused for referra" )ur)ose* If an' of t#e test is true t#e ste) is %')assed4on"' if none of t#e tests are true t#en t#e ste) is e$ecuted as norma"*

S'nta$ COND*)rocste)name.code4o)erator4ste)name/CODE9 S)ecifies a num%er t#at t#e s'stem com)ares to t#ereturn codes from a"" )re3ious ste)s in t#e (o% or from t#e s)ecificste)s* Code a decima" num%er from 8 t#roug# M8*

O;ERATOR9 S)ecifies t#e t')e of com)arison to %e made to t#ereturn code* If t#e s)ecified ste) is true t#e ste) is %')assed*

T#e o)erators areGT Greater t#an GE Greater t#an or e,ua" toE= E,ua" to NE Not e,ua" to

LT Less t#an LE Less t#an or e,ua" to

EXEC STATE2ENT

EXEC STATE2ENT


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D;RT:

Assigns a dis)atc#ing )riorit' for t#e address s)ace for t#is ste)*

S'nta$ D;RT:*)rocste)name.3a">43a"@/:ou can omit t#e )arent#esis if 'ou code on"' 3a">:ou must inc"ude t#e )arent#esis and code a comma %efore 3a"@ if 'ou

code on"' 3a"@

3a"> 8 t#roug# >3a"@ 8 t#roug# >

T#e s'stem forms t#e interna" dis)atc#ing )riorit' as fo""o!s

dis)atc#ing )riorit' .3a"> F > / W 3a"@

Note9T#e D;RT: 5e'!ord is ignored in 2


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D:NA2NBR

-o"ds a num%er of data set a""ocations for reuseS'nta$ D:NA2NBR*;ROCSTE;NA2En !#ere

Pn& s)ecifies a 3a"ue used to ca"cu"ate t#e num%er of data set a""ocationst#at t#e s'stem can #o"d in antici)ation of reuse* T#e 3a"ue of Pn& can %e u) tot#e ma$imum size of t#e TIOT.Tas5 In)ut Out)ut Ta%"e/ contro" %"oc5.8t#roug# @/4 "ess t#e num%er of ddnames used in t#e ca""ing JCL*Eg*

A JCL (o% !it# >8 ddnames and a TIOT of @5 t#e D:NA2NBR !ou"d %e

@ minus >84 i*e* @

If no D:NA2NBR )arameter is s)ecified4 t#e defau"t is 8

EXEC STATE2ENT

EXEC STATE2ENT


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;AR2

sed to )ass 3aria%"e information to t#e )rocessing )rogram e$ecuted%' t#is (o% ste)*

S'nta$ ;AR2*)rocste)nameinformation

Lengt#9 T#e entire information )assed must not e$ceed >88c#aracters inc"uding an' commas !#ic# are )assed to t#e )rocessing)rogram4 %ut e$c"uding an' enc"osing )arent#esis or a)ostro)#es*

If )rocessing )rogram e$)ects eit#er as a)ostro)#e or an

am)ersand as )art of t#e )assed information t#en code t!oconsecuti3e a)ostro)#e or am)ersand*

Eg* Code >@M as ;AR2P>@M&*

EXEC STATE2ENT

EXEC STATE2ENT


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;EROR2

S)ecifies )erformance grou) used %' t#is ste)* T#e insta""ation6defined )erformance grou) determine t#e rate at !#ic# t#e associatedste)s #a3e access to t#e )rocessor4 storage4 and c#anne"s*

S'nta$ ;EROR2*)rocste)namen !#ere

Pn& re,uests a )erformance grou)4 !#ere n is a num%erfrom > t#roug# and must identif' a )erformance grou)

identified %' t#e insta""ation*

EXEC STATE2ENT

EXEC STATE2ENT


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RD

Indicates !#et#er t#e o)erator s#ou"d )erform automatic ste)restart4 if ste) fai"s*

S'nta$ RD*;ROCSTE;NA2EUR1RNC1NR1NCV

RDR .Restart4 C#ec5)oints a""o!ed/ Indicates t#e o)erator is to)erform automatic ste) restart if t#e (o% ste) fai"sRDRNC .Restart4 No C#ec5)oints/ Indicates t#e o)erator is to

)erform automatic restart4 %ut from ste) start not from a c#ec5)oint4 asRNC actua""' su))resses an' c#ec5)oint faci"it' re,uested !it#in t#e ca""ed)rogram*

RDNR .No automatic restart4 c#ec5)oints a""o!ed/ Indicates t#eo)erator is not to )erform automatic restart if t#e ste) fai"s* -o!e3erc#ec5)oints can %e used for deferred restart* RDNC .No automatic restart4 No c#ec5)oints/ Indicates t#e o)erator isnot to )erform automatic restart if t#e ste) fai"s4 and if deferred restart is usedt#en t#e (o% ste) must restart from t#e %eginning as an' c#ec5)oint faci"it'

re,uested in t#e ca""ed )rogram !i"" %e su))ressed*

EXEC STATE2ENT

EXEC STATE2ENT


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REGION

S)ecifies t#e amount of storage in mega%'tes or 5i"o%'tes t#is ste) canuse*

S'nta$ REGION*)rocste)name.3a"?43a"2/

3a"?9 S)ecifies t#e re,uired storage in ?i"o%'tes* T#e 3a"ue is >t#roug# decima" num%ers4 from > t#roug# @8>@7* Code an

e3en num%er* If 'ou code an odd num%er t#e s'stem treats it as t#ene$t #ig#est e3en num%er*

3a"29 S)ecifies t#e re,uired storage in 2ega%'tes* T#e 3a"ue is >t#roug# M decima" num%ers4 from > t#roug# @8M* Code eit#er

e3en num%er or odd num%er*

EXEC STATE2ENT

EXEC STATE2ENT


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TI2Ese t#e TI2E )arameter to s)ecif' t#e ma$imum "engt# of time t#at a (o%

ste) is to use t#e )rocessor and to find out t#roug# messages #o! muc#)rocessor time t#e ste) used*

A ste) t#at e$ceeds its a""otted time a%norma""' terminates and causes(o% termination4 un"ess an insta""ation e$it routine e$tends t#e time for t#e (o%*

S'nta$ TI2E*)rocste)nameU.minutes4seconds/VU>MM8 V

UNOLI2IT V U2AXI22 V

2inutes 6 T#e 3a"id range of minutes is > t#roug# >@.@M7* da's/Seconds 6 T#e 3a"id range of seconds is > t#roug# >MM8 6 Indicates t#at t#e ste) can use t#e )rocessor for an

un"imited amount of timeY >MM8 "itera""' means @M #ours* CodingTI2E>MM8 is same as coding as TI2ENOLI2IT

NOLI2IT s)ecifies t#at t#e (o% can use t#e )rocessor for an un"imitedamount of time* NOLI2IT is same as t#at of TI2E>MM82AXI22 s)ecifies t#at t#e ste) can use t#e )rocessor for t#e

ma$imum amount of time* A""o!s t#e (o% to run for >@ minutes*

EXEC STATE2ENT

O)erators on I1T-EN1ELSE1ENDI Statement


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11name I . re"ationa"6e$)ression/ T-EN*

*action !#en re"ationa" e$)ression is true

11name ELSE**

action !#en re"ationa" e$)ression is fa"se*

11name ENDI

T#e I statement is a"!a's fo""o!ed %' a re"ationa" e$)ression and a

T-EN c"ause* O)tiona""'4 an ELSE c"ause can fo""o! t#e T-EN c"ause*An ENDI statement a"!a's fo""o!s t#e ELSE c"ause4 if )resent4 or t#e

T-EN c"ause*

Contd00**

Construct



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T#en T-EN c"ause s)ecifies t#e (o% ste)s t#at t#e s'stem)rocess !#en t#e e3a"uation of t#e re"ationa" e$)ression for t#e Istatement is true*

T#e ELSE c"ause s)ecifies t#e (o% ste)s t#at t#e s'stem )rocess!#en t#e e3a"uation of t#e re"ationa" e$)ression is fa"se*

T#e s'stem e3a"uates t#e re"ationa" e$)ression at e$ecution time*

T#e EDNI statement indicates t#e end of t#e

I1T-EN1ELSE1ENDI statement*

Contd 00**

Construct



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T#e I1T-EN1ELSE1ENDI statement constructs u) to a ma$imum of >"e3e"s*

Consists of 11 in co"umns > and @ and ma' #a3e fo""o!ing fie"ds

Name.o)tiona"/O)eration.I4ELSE or ENDI/T#e re"ationa" e$)ression fie"d

T#e re"ationa" e$)ression fo""o!s t#e I o)eration fie"d after at "east oneinter3ening %"an5 and is fo""o!ed %' at "east one %"an5 %efore t#ec#aracters T-EN*E*g*

11 I RCZM T-EN

:ou can enc"ose t#e re"ationa" e$)ression in )arent#esis*

11 I .RCZM/ T-EN

Contd00**

Construct



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11JOBNA2E JOB 00000000011STE;> EXEC ;G2;DATE110000*110**11STE;@ EXEC ;G2ADD1100

1100**11ITEST I .STE;>*RCZM STE;@*RC[7/ T-EN11STE; EXEC ;G200*110011 ELSE

11STE;M EXEC ;G2001100000110000011ITEST ENDI

Construct



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A re"ationa" e$)ression consists of

Com)arison o)eratorsLogica" o)eratorsNOT.\/ o)eratorsRe"ationa" e$)ression 5e'!ords

Construct



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Com)arison o)erator

GT or ZLT or [NG or \ZNL or \[E= or

NE or \GE or ZLE or [

Logica" o)eratorAND or

OR or ]

NOT o)eratorNOT or \

Construct

O)erators on I1T-EN1ELSE1ENDI StatementC


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E3a"uation of o)erators

NOT !i"" %e e3a"uated first fo""o!ed %' com)arison o)erator and

fina""' "ogica" o)erators

Re"ationa" E$)ression ?e'!ords

RC indicate a return 5e'!ord

ABEND indicate an a%end condition occurred

\ABEND indicate no a%end condition occurred

ABENDCC indicate a s)ecific s'stem or user a%end code

RN indicate t#at t#e s)ecified ste) e$ecuted

\RN indicate t#at t#e s)ecified ste) did not e$ecute

Construct

O)erators on I1T-EN1ELSE1ENDI StatementC t t


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RC indicates t#at t#e re"ationa" e$)ression tests a return code* E3a"uatet#e return code %' coding RC4 a com)arison o)erator4 and a

numeric 3a"ue*

E*g* .RC7/ test for a return code e,ua" to 7

ABEND or ABEND TRE indicates t#at t#e re"ationa" e$)ression tests

for an a%end condition t#at occurred during )rocessing of t#e (o%

)rior to t#e time of e3a"uation*

\ABEND of ABENDALSE indicates t#at t#e re"ationa" e$)ression test

t#at an a%end condition did not occur during t#e )rocessing of t#e

(o% )rior to t#e time of e3a"uation*ABENDCCS$$$$ of ABENDCC$$$$ indicates t#e re"ationa"

e$)ression tests for a s'stem a%end com)"etion code .S$$$$/ or a

user defined a%end com)"etion code.$$$$/*

Construct

CONDITIONAL EXECTION O JOB STE;S


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I COND TRE B:;ASS

I COND ALSE EXECTE

COND9 In3o"3es testing condition codes from )re3ious (o% ste)s to

determine f"o! of e$ecution.!#et#er or not to e$ecute a )rogram/

If t#e s)ecified condition is true t#e ste) is %')assed

Condition ma' range from 8 to M8

Condition code are s)ecified on t#e COND )arameterAs coded on t#e EXEC statement00*

11STE;> EXEC ;G2TEST4COND.M4LE/

S'nta$

COND..num%er4com)arisonU4ste)nameV/400/

Ste)name defau"t to an' )re3ious ste)

) to 7 conditions ma' %e coded on one COND )arameter

Can %e coded on (o% statement and o3errides a"" condition on EXEC

statements*

11JOBNA2E JOB 0**4COND.M4LE/

CONDITIONAL EXECTION O JOB STE;S


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JCL e$ercise

>* Ca"" t#e )rogram IEBR>M for t#is ste) ca""ed STE;>4 )assing t#e

fo""o!ing information4 PJANAR: > @88 EXA2;LES&4 t#e ste)

s#ou"d ta5e no "onger t#an >8 seconds*

@* STE;@ ca""s t#e )rogram IEB;DTE4 )assing it t#e o)tion P2OD&4%ut t#is run 'ou s#ou"d ensure t#is ste) is %')assed4.use COND /

* T#e t#ird and fina" ste)4 STE; s#ou"d in3o5e t#e )rogram

IRTNOG* sing t#e I statement on"' run t#is ste) if STE;> runs

O?*

M* ina""' t#is (o% s#ou"d use no more t#an @ minutes of C; time4

%ut if an' ste) in t#e (o% sets a return code of 4 t#en t#e (o%

s#ou"d terminate4.use COND /

LAB ;ro%"em

DD .Data Definition/ STATE2ENT


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11DDNA2E DD 000*

F DSN


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;OSITIONAL ;ARA2ETERS ON T-E DD STATE2ENT

11INDATA DD F 4DL2

* DATA

*instream data for in)ut

*

*

11F or 11F or 11 .end of data/

or t!o c#aracter demi"iter

11INDATA DD D22:

. ata e t o / S



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C;OSITIONAL ;ARA2ETERS ON T-E DD STATE2ENT

in6stream data set fo""o!s t#at contains no JCL and end of in6

stream data set is indicated !it# 11 or 1F or as s)ecified on t#e DD F

statement DL2 )arameter

DATA

in6stream data set fo""o!s t#at can contain JCL and end of in6

stream data set must %e indicated !it# 1F or as s)ecified on t#e DD

DATA statement*

D22:

a"" I1O o)erations to %e %')assed4 and de3ice a""ocation4 s)ace

a""ocation4 and data set dis)osition to %e ignored*

. /



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?E:+ORD ;ARA2ETERS ON T-E DD STATE2ENT

11S:ST@ DD DSNOTTA;E411 DIS;.4CATLG/4NITTA;E

11 4

11 LABEL.4NSL4RET;D/

DSN or DSNA2E S)ecifies t#e name of t#e dataset

DIS; S)ecifies t#e status of t#e dataset to t#e s'stem and

te""s t#e s'stem !#at to do !it# t#e dataset after termination of t#e

(o% ste) or (o%

NIT Te""s t#e s'stem to )"ace t#e dataset on a s)ecific

de3ice4 a certain t')e or grou) of de3ices4 or t#e same de3ice as an

ot#er dataset

LABEL S)ecifies t#e t')e of "a%e"4 t#e re"ati3e fi"e num%er n

t#e ta)e4 and !#et#er t#e data set is )rotected for in)ut or out)ut

. /



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?E:+ORD ;ARA2ETERS ON T-E DD STATE2ENT

11S:ST@ DD DSNOTDATA411 DIS;.4CATLG/4NITS:SADA4

11 4S;ACE.TR?4.>4>4@//4

11 DCB.LRECL784BL?SIHE7884REC2B/

11S:SOT DD S:SOTF

S;ACE sed to re,uest s)ace for a ne! dataset on a direct access

3o"ume


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DDNA2E IELD ON T-E DD STATE2ENT

11;RINT DD DSN2:DATA*OT;T4DIS;S-R11DD> DD DSNTESTDATA4DIS;S-R

11S:ST> DD DSNTSO88>*IN;T*DATA4DIS;S-R

11 DD DNSTSO88>*IN;T>*DATA DSN4DIS;S-R

ddname s#ou"d %e uni,ue !it#in t#e (o% ste)

ddname is omitted if t#e DD statement defines a data set t#at is

concatenated to t#e dataset of t#e )receding DD statement

)rogrammer su))"ies a ddname in t#e )rogram for eac# data set

to %e used

E$am)"e*

COBOL SELECT INILE ASSIGN TO DD>

;L1I READ ILE.;RINT/

ASSE2BLER ILEIN DCB DDNA2ES:ST>

. /



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RLES OR CONCATENATION

2a$imum of @ se,uentia" datasets2a$imum of > )artitioned datasets

;artitioned and se,uentia" dataset can not %e mi$ed

2em%ers of )artitioned datasets are considered as se,uentia"

datasets

REC2 must %e t#e same on eac# datasets %eing concatenated

. /



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DSNA2E ;ARA2ETER ON T-E DD STATE2ENT

T#e name of a dataset can %e9

sim)"e data set name

,ua"ified data set name

)artitioned data set name

tem)orar' data set name

referenced from an ear"ier DD statement

. /



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SI2;LE DATASET NA2E

Consists of > to 7 c#aracters

T#e first c#aracter must %e a")#a%etic or a nationa".K44/

E$am)"es9

11DD> DD DSNA>@M400**

11DD@ DD DSNABC400**

11DD DD DSNA400**

11DDM DD DSNABX400*

. /



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C=ALIIED DATASET NA2E

Consists of mu"ti)"e data set names se)arated %' )eriods

Eac# name !it#in t#e ,ua"ified name can %e > to 7 c#aracters !it#

first an a")#a%etic or nationa"

T#e entire ,ua"ified name can inc"ude as man' as MM c#aracters

inc"uding )eriods

E$am)"es9

11DDA DD DSNTSO88>*DATA*IN;T400**

11DDB DD DSNDSRC8>@*ABC*DATA*IN;T400**



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;ARTITIONED DATASET NA2E

Consists of a )artitioned dataset name !it# a mem%er name

enc"osed in )arent#esis

T#e )artitioned data set name !i"" fo""o! t#e ru"es of t#e sim)"e

data set name or ,ua"ified data set name

T#e mem%er name can %e > to 7 c#aracters

T#e entire data set name can inc"ide as man' as MM c#aracters

.e$c"uding t#e mem%er name/

E$am)"es911DD@ DD DSNTSO88>*IN;T*DATA.2E2>/400**

11DD DD DSNDSRC8>@*;A:ROLL*DATA.TESTDATA/40



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TE2;ORAR: DATA SET NA2E

T#ere are t!o !a's to s)ecif' a tem)orar' data set name on t#e DDstatement9

Code t#e DSN )arameter using t!o am)ersands./

Omit t#e DSN )arameter from t#e DD statement in !#ic# case t#e

s'stem !i"" assign a name

A tem)orar' data set can %e s)ecified as a )artitioned data set

T#e entire data set name can %e > to 7 c#aracters .e$c"uding t#e

mem%er name/

E$am)"es9

11DD> DD DSNSORTOT400**

11STE;B DD DSNTE2;.2E2>/400**



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REERENCE RO2 A ;RE


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DATA SET REERENCED RO2 A ;RE


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DIS; ;ARA2ETER ON T-E DD STATE2ENT

INITIAL NOR2AL ABNOR2AL

DIS; .NE+4 DELETE4 DELETE /

OLD4 ?EE;4 ?EE;

S-R4 ;ASS4 CATLG

2OD4 CATLG NCATLG

NCATLG

A"" su% )arameters on !it#in t#e DIS; )arameter are )ositiona"*

INITINAL STATS is t#e status of t#e data set at t#e %eginning of t#e

ste)

NOR2AL TER2INATION indicates t#e dis)osition of t#e data set !#ent#e (o% terminates norma""'

ABNOR2AL TER2INATION indicates t#e dis)osition of t#e data set

!#en t#e (o% a%norma""' terminates*



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NIT ;ARA2ETER

NIT.DE< ADDRESS4 NIT CONT4 DEER/

DE< T:;E

GRO; NA2E

DE


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AINIT:

Re,uests t#at t#e s'stem a""ocate different data sets residing on

different remo3a%"e 3o"umes to t#e same de3ice during t#e

e$ecution of t#e ste)

E$am)"es of NIT )arameter

11DD> DD DSN2:DS*DATA4DIS;OLD4NITS:SDA

11DD@ DD DSNENTR:*JCL4DIS;S-R4NITTA;E400*

11DD DD DSNABC*DE4DIS;S-R4NIT@7400*11DDM DD DSNGR;*DATA4DIS;S-R4NIT.M@844DEER/400*

11DD DD DSNABC*DE4DIS;.4CATLG/4NITADD:40*

Documents

Jcl Training (7 Days)