jclb unit 4

8/21/2019 JCLb Unit 4

1/70

z/OS MVS JCL Intermediate

© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed.

8/21/2019 JCLb Unit 4

2/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age 2 o% &0

'(I) Modi%ying ** $arameter"

Changing ** $arameter"

O#erride ** Statement"

(+!!i%iation ** Statement"

ddition ** Statement"

Se-+ening M+!tip!e Change"

)opi"

8/21/2019 JCLb Unit 4

3/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age o% &0

Unit Introduction

'nit Modifying EXEC parameters, o#ered adding, o#erriding or n+!!i%ying proed+re 11C "tatement

parameter" at the time o% e3e+ting the proed+re.

)hi" +nit, i!! o#er ma5ing the"e temporary a!teration" to proed+re "tep ** "tatement".

Unit: Modifying DD Parameters

Introd+tion

8/21/2019 JCLb Unit 4

4/70



t the end o% thi" +nit, yo+ i!! 6e a6!e to

• O#erride or n+!!i%y parameter" on proed+re "tep **"tatement"

• dd ** "tatement" to a proed+re "tep i% it doe" nota!ready ontain a!! the ** "tatement" re-+ired %ore3e+tion

• Corret!y "e-+ene m+!tip!e temporary a!teration" toproed+re "tep ** "tatement"

Unit Objectives


Introd+tion

8/21/2019 JCLb Unit 4

5/70









)opi"

8/21/2019 JCLb Unit 4

6/70



t the end o% thi" topi, yo+ i!! 6e a6!e to

• *i"+"" the need to hange a ** "tatement parameter

• Identi%y hange" needed to the ** "tatement parameter

• Spei%y and e3p!ain the "ynta3 %or hanging **"tatement parameter"

Topic Objectives

Unit: Modifying DD Parameters Topic: Changing DD Parameters

Introd+tion

8/21/2019 JCLb Unit 4

7/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age & o% &0

Changing the DD Statement arameters

)he proed+re "tep ** "tatement" "pei%y the data "et" and their harateri"ti" %or that proed+re "tep.

I% the "pei%iation" are not hat are needed %or a 9o6, hange" to the ** "tatement parameter" an 6e

made

at the time o% proed+re e3e+tion.

Some o% the hange" to the ** "tatement parameter" that an 6e aomp!i"hed at the time o% e3e+tionin!+de

• Change a data "et name or it" "torage !oation

• (+!!i%ying "ome o% the "pei%ied parameter" that are not app!ia6!e to the data "et to 6e +"ed

• dd needed parameter" that are not "pei%ied

)he genera! %orm %or hanging ** "tatement parameter" i" a" %o!!o"

//procstepname.ddname DD parameter=value)o hange the ** "tatement parameter hen

in#o5ing a proed+re, the ** "tatement m+"t 6e

oded immediate!y %o!!oing the 11C "tatement.


Conept"

8/21/2019 JCLb Unit 4

8/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age : o% &0

)he ** "tatement ha" a to;part name. It on"i"t" o% the name o% the proed+re "tep in hih the **

"tatement to 6e hanged o+r", %o!!oed 6y a period and the name o% the ** "tatement in the proed+re

"tep.

)he parameter to 6e hanged, added or n+!!i%ied i" "pei%ied a%ter the 5eyord **, %o!!oed 6y an e-+a! "ign

and the #a!+e o% the parameter.

Important Considerations !hi"e Changing DD Statement arameters

8/21/2019 JCLb Unit 4

9/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age = o% &0

#hen invo$ing a procedure% you code changes to a procedure&s data specifications on a DD

statement that fo""o!s the EXEC statement' #hich of the fo""o!ing items are inc"uded in the t!o(

part name of that DD statement)

. )he proed+re "tep in hih the parameter to 6e hanged o+r"

B. )he **(M1 o% the "tatement in hih the parameter to 6e hanged o+r"

C. period

*. parameter to 6e hanged

*re #e on Trac$)


>e#ie

8/21/2019 JCLb Unit 4

10/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age ?0 o% &0

+o""o!ing are the items you code in a DD statement to change procedure data specifications' utthem in the correct se,uence'

. **

B. $arameter to 6e hanged

C. **(M1

*. $roed+re "tep name %o!!oed 6y a period

1 .Va!+e o% the parameter to 6e hanged

8/21/2019 JCLb Unit 4

11/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age ?? o% &0

** "tatement parameter" $arameter" "+h a" *S(, >1C

8/21/2019 JCLb Unit 4

12/70



(o that yo+ ha#e omp!eted thi" topi, yo+ "ho+!d 6e a6!e to

• *i"+"" the need to hange a ** "tatement parameter

• Identi%y hange" needed to the ** "tatement parameter

• Spei%y and e3p!ain the "ynta3 %or hanging **"tatement parameter"

Topic Summary


S+mmary

8/21/2019 JCLb Unit 4

13/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age ? o% &0







)opi"

8/21/2019 JCLb Unit 4

14/70




• *i"+"" the need to o#erride a ** "tatement

• Spei%y and e3p!ain the ode %or o#erriding a **"tatement parameter

• 13p!ain ho to o#erride a ** "tatement parameter

Topic Objectives

Introd+tion

Unit: Modifying DD Parameters Topic: Override DD Statements

8/21/2019 JCLb Unit 4

15/70



Overriding DD Statement arameters

Ahen the ** "tatement parameter" that a!ready e3i"t in the proed+re de%inition are not hat yo+ ant %or a

parti+!ar 9o6 e3e+tion, yo+ an ode an o#erride ** "tatement.

)o o#erride the ** "tatement parameter", the e3i"ting ** "tatement parameter" in the proed+re "tep need

to 6e e3p!iit!y hanged or n+!!i%ied or a m+t+a!!y e3!+"i#e parameter m+"t 6e oded.

)he genera! %orm %or o#erriding ** "tatement parameter" i"

//PROCSTEPN!E.DDN!E

// DD PR!ETER=V"#E

Conept"


8/21/2019 JCLb Unit 4

16/70



Coding an Override DD Statement

Ahen oding an o#erride ** "tatement, the %o!!oing on"ideration" m+"t 6e 5ept in mind

• Code the o#erride ** "tatement immediate!y %o!!oing the 11C "tatement +"ed to in#o5e the

proed+re

• S+pp!y a name %or the o#erride ** "tatement on"i"ting o% the name o% the proed+re "tep in hih

the ** "tatement to 6e o#erridden o+r", %o!!oed 6y a period and the name o% the ** "tatementin the proed+re "tep

• Spei%y on the ** "tatement in any "e-+ene the 5eyord parameter" ho"e #a!+e" are to 6e

hanged or n+!!i%ied, "eparated 6y omma"

Conept"


8/21/2019 JCLb Unit 4

17/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age ?& o% &0

In the )>(SC) proed+re, the inp+t

tran"ation" are "pei%ied in a data "et named

I()>(.

parti+!ar ee5D" inp+t tran"ation" re"ide in a

data "et named (1A)>(.

(1A)>( i" an +nata!oged data "et that

re"ide" on a =0 diret ae"" #o!+me

ho"e #o!+me identi%ier i" ?247.

Override DD Statement . *n E/amp"e

INTRAN

NEWTRAN

TRANSACT

Contin+edE

? 00 ?

Conept"


8/21/2019 JCLb Unit 4

18/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age ?: o% &0

In order to +"e the e3i"ting )>(SC)proed+re

to proe"" that ee5D" tran"ation" a ** o#erride

"tatement that identi%ie" (1A)>(, rather than

I()>(, a" the name o% the tran"ation data "et

m+"t 6e oded.

)he o#erride ** "tatement i" a" %o!!o"

//PSTEP$.DD$ DD DSN=NE%TRN&

// #NIT=''()&

// VO"=SER=$*'+,

Override DD Statement . *n E/amp"e 0cont&d1

INTRAN

NEWTRAN

TRANSACT

OVERIDE ? 00 ?

Conept"


8/21/2019 JCLb Unit 4

19/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age ?= o% &0

)he ode a!ong"ide "ho" the )>(SC)

proed+re de%inition.

)he ** "tatement parameter that i" to o#erridden

i" high!ighted.

Override DD Statements . rocedure Definition

//PSTEP$ EXEC P-!=PRO-$&TI!E$&')//DD$ DD DSN=INTRN&DISP=S0R

//DD* DD DSN=!STER&DISP=S0R

//DD' DD S1SO#T=

//DD+ DD DSN=22V"ID&

// DISP=NE%&PSS&

// #NIT=S1SD&

// SPCE=TRK&$&$

//PSTEP* EXEC P-!=PRO-*&TI!E=,

//DD, DD DSN=22V"ID&

// DISP=O"D&DE"ETE

Conept"


8/21/2019 JCLb Unit 4

20/70



)he ode a!ong"ide "ho" the 11C "tatement

+"ed to in#o5e the )>(SC) proed+re.

)he o#erride ** "tatement i" oded immediate!y

a%ter the 11C "tatement, "pei%ying the

proed+re "tep ontaining the ** "tatement and

name o% the ** "tatement in the proed+re, thene data "etD" name, and it" !oation.

Override DD Statements . EXEC Statement

//STEP EXEC TRNSCT//PSTEP$.DD$ DD DSN=NE%TRN&

// #NIT=''()&

// VO"=SER=$*'+,

Conept"


8/21/2019 JCLb Unit 4

21/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age 2? o% &0

)he ode on the right "ho" the re"+!ting JCL

"tatement.

)he data "et to 6e +"ed d+ring e3e+tion ha"

6een hanged to (1A)>(.

Override DD Statement . 2esu"ting 3C4

)he e3i"ting ** "tatement

5eyord parameter" that are

not o#erridden are retained.

//PSTEP$ EXEC P-!=PRO-$&TI!E$&')

//DD$ DD DSN=NE%TRN&DISP=S0R&

// #NIT=''()&VO"=SER=$*'+,


//DD' DD S1SO#T=


// DISP=NE%&PSS&// #NIT=S1SD&

// SPCE=TRK&$&$



// DISP=O"D&DE"ETE

Conept"


8/21/2019 JCLb Unit 4

22/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age 22 o% &0>e#ie

Under !hich of the fo""o!ing conditions !ou"d you code an override DD statement)

. )he $roed+re "tep ha" no ** "tatement".

B. )here i" no ** "tatement ith the ddname yo+ need.

C. )he data "et attri6+te" in a ** "tatement are not appropriate.

*re #e on Trac$)

>e#ie


8/21/2019 JCLb Unit 4

23/70



The fo""o!ing is a procedure ca""ed M52OC

Comp"ete the fo""o!ing 3C4 statements so that !hen M52OC is invo$ed% 2O-6 creates aS5SOUT c"ass * output rather than !rite the output to the data set named 2T'

//3STEP EXEC !1PROC

FFFFFFFFFFFFFFFFFFFFFFFF

*re #e on Trac$)

//STEP$ EXEC P-!=PRO-//DD$ DD DSN=&DISP=S0R

//DD* DD DSN=O#T&DISP=NE%&CT"-&// #NIT=S1SD&SPCE=TRK&$&$//STEP* EXEC P-!=PRO-4

//DD' DD DSN=4&DISP=S0R//DD+ DD DSN=RPT&DISP=NE%&CT"-&

// #NIT=S1SD&SPCE=TRK&$&$

>e#ie


8/21/2019 JCLb Unit 4

24/70




• *i"+"" the need to o#erride a ** "tatement

• Spei%y and e3p!ain the ode %or o#erriding a **"tatement parameter

• 13p!ain ho to o#erride a ** "tatement parameter

Topic Summary

S+mmary


8/21/2019 JCLb Unit 4

25/70









)opi"

8/21/2019 JCLb Unit 4

26/70




• *i"+"" the need to n+!!i%y a parameter

• 13p!ain ho to n+!!i%y a parameter

•

13p!ain ho to n+!!i%y a *S( parameter

• >eognize the r+!e" hi!e o#erriding or n+!!i%ying a *CBparameter

• 13p!ain ho to n+!!i%y a *CB parameter

Topic Objectives

Topic: Nullification DD StatementsUnit: Modifying DD Parameters

Conept"

8/21/2019 JCLb Unit 4

27/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age 2& o% &0

7u""ifying a DD Statement arameter

)o ret+rn the #a!+e o% a ** "tatement parameter to the "y"tem de%a+!t, the parameter m+"t 6e n+!!i%ied.

)o n+!!i%y a ** "tatement parameter, yo+

• @i#e the name o% the parameter, %o!!oed 6y the e-+a! "ign

• *o not ode a #a!+e %or the parameter

)he genera! %orm %or n+!!i%ying a ** "tatement parameter i"

//procstepname.ddname DD parameter=


Conept"

8/21/2019 JCLb Unit 4

28/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age 2: o% &0

In thi" e3amp!e a""+me the )>(SC)

proed+re de%inition identi%ie" data "et MS)1>

a" an +nata!oged data "et re"iding on a 4:0

tape #o!+me ith a #o!+me identi%ier o% =:&&82.

7u""ifying a DD Statement arameter . *n E/amp"e

Contin+edE

MASTER

MASTER

TRANSACT

? 00 ?

CT"O-EDDT SET

#NCT"O-ED

DT SET


Conept"

8/21/2019 JCLb Unit 4

29/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age 2= o% &0

ho"e !oation i" reorded in the

"y"tem ata!og i" re-+ired d+ring the e3e+tion

o% )>(SC).

n o#erride ** "tatement to n+!!i%y the '(I) and

VOLGS1> parameter" and re%erring to the

+nata!oged MS)1> data "et o+!d 6e oded

a" %o!!o"

//procstepname.ddanme DD

// #NIT=&VO"=SER=

7u""ifying a DD Statement arameter . *n E/amp"e 0cont&d1

? 00 ?

MASTER

MASTER

TRANSACT

N!!I"#

CT"O-EDDT SET

#NCT"O-ED

DT SET


Conept"

8/21/2019 JCLb Unit 4

30/70



)he )>(SC) proed+re de%inition i" "hon on

the right.

)he ** "tatement parameter that i" to 6e

o#erridden i" high!ighted.

7u""ifying a arameter . rocedure Definition


//DD$ DD DSN=NE%TRN&DISP=S0R

//DD* DD DSN=!STER&DISP=S0R&

// #NIT='+5)&VO"=SER=(5667*

//DD' DD S1SO#T=



// SPCE=TRK&$&$//PSTEP* EXEC P-!=PRO-*&TI!E=,


// DISP=O"D&DE"ETE


Conept"

8/21/2019 JCLb Unit 4

31/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age ? o% &0

)he 11C "tatement +"ed to in#o5e the

)>(SC) proed+re i" "hon on the right.

)he o#erride ** "tatement i" oded immediate!y

a%ter the 11C "tatement, "pei%ying the

proed+re "tep ontaining the ** "tatement and

name o% the ** "tatement in the proed+re.

)he o#erride ** "tatement n+!!i%ie" the '(I) and

VOL parameter".

7u""ifying a arameter . EXEC Statement

//STEP EXEC TRNSCT//PSTEP$.DD* DD #NIT=&VO"=SER=


Conept"

8/21/2019 JCLb Unit 4

32/70



)he re"+!ting JCL "tatement i" "hon on theright.

)he data "et to 6e +"ed d+ring e3e+tion ha"

6een hanged to de%a+!t #a!+e i.e. the ata!oged

MS)1> data "et.

7u""ifying a arameter . 2esu"ting 3C4

)he e3i"ting ** "tatement

5eyord parameter", that are

not o#erridden, are retained.



//DD' DD S1SO#T=


// DISP=NE%&PSS&

// #NIT=S1SD&// SPCE=TRK&$&$



// DISP=O"D&DE"ETE


Conept"

8/21/2019 JCLb Unit 4

33/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age o% &0

The fo""o!ing is a procedure ca""ed M52OC

Code statements to override the U7IT parameter to 89:; and nu""ify the S*CE parameter in

STE

8/21/2019 JCLb Unit 4

34/70



DUMM5 arameter

*'MMH parameter i" +"ed to 6ypa"" a data "et, itho+t re"+!ting in a program B1(*.

*'MMH parameter may 6e "pei%ied in a proed+re "tep ** "tatement. I% yo+ re-+ire to e3e+te the

proed+re ith rea! data, the *'MMH parameter m+"t 6e o#erridden ith the name o% the data "et to 6e

+"ed.


Conept"

/OS MVS JCL I di

8/21/2019 JCLb Unit 4

35/70



In thi" e3amp!e, a proed+re "tep named$S)1$?

ontain" the %o!!oing ** "tatement to identi%y

the

o+tp+t data "et

//DDO#T DD D#!!1

I% a SHSO') !a"" o+tp+t ha" to 6e reated %or

thi" in#oation then the %o!!oing ** "tatement

need" to 6e oded

//PSTEP$.DDO#T DD S1SO#T=

7u""ifying the DUMM5 arameter . *n E/amp"e

? 00 ?

DMM#

TRANSACT

N!!I"#

S#SOT$A


Conept"

/OS MVS JCL I t di t

8/21/2019 JCLb Unit 4

36/70



7u""ifying the DS7 parameter

I% a proed+re i" to 6e e3e+ted itho+t +"ing a data "et "pei%ied on a proed+re "tep ** "tatement, ad+mmy "tat+" an 6e a""igned to the data "et.

)he o#erride ** "tatement an either "pei%y *'MMH or *S(G('LL

8/21/2019 JCLb Unit 4

37/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age & o% &0

)he )>(SC) proed+re de%inition i" "hon onthe right.

)he ** "tatement parameter that i" to o#erridden

i" high!ighted.

7u""ifying the DS7 parameter . rocedure Definition


//DD$ DD DSN=INTRN&DISP=S0R

//DD* DD DSN=!STER&DISP=S0R&

// #NIT='+5)&VO"=SER=(567*

//DD' DD S1SO#T=



// SPCE=TRK&$&$//PSTEP* EXEC P-!=PRO-*&TI!E=,


// DISP=O"D&DE"ETE


Conept"


8/21/2019 JCLb Unit 4

38/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age : o% &0

)he 11C "tatement +"ed to in#o5e the)>(SC) proed+re i" "hon on the right.

)he o#erride ** "tatement n+!!i%ie" the *S(

parameter and any other parameter" a""oiated

ith that data "et.

7u""ifying the DS7 arameter . EXEC Statement

//STEP EXEC TRNSCT//PSTEP$.DD* DD D#!!1


Conept"


8/21/2019 JCLb Unit 4

39/70


© Copyright IBM Corp., 2000, 2004. !! right" re"er#ed. $age = o% &0


*+ring e3e+tion o% the proed+re, the "y"tem

i!!

not on"ider the data "et that a" de"ignated 6y

**2. It i!! pa"" on to ** a%ter **?.

7u""ifying the DS7 arameter . 2esu"ting 3C4


//DD* DD D#!!1

//DD' DD S1SO#T=


// DISP=NE%&PSS&




// DISP=O"D&DE"ETE


Conept"


8/21/2019 JCLb Unit 4

40/70



#hich one of the fo""o!ing is the resu"t of coding DUMM5 or DS7=7U44+I4E on an

override DD statement)

. )he proed+re i" e3e+ted ith a d+mmy data "et.

B. !! parameter" on the orre"ponding ** "tatement e3ept *CB are n+!!i%ied.

C. )he proed+re i" e3e+ted itho+t the data "et.

*. !! parameter" on the orre"ponding proed+re ** "tatement are n+!!i%ied

*re #e on Trac$)


Conept"


8/21/2019 JCLb Unit 4

41/70



Considerations !hi"e 7u""ifying DC6 parameters

Some "peia! r+!e" app!y hen o#erriding or n+!!i%ying the *CB parameter.

• Code on!y tho"e *CB 5eyord "+6parameter" ho"e #a!+e" need to 6e hanged. *CB 5eyord

"+6parameter" hih are not oded remain +nhanged.

• Code any re-+ired *CB po"itiona! "+6parameter" regard!e"" o% hether or not they are "pei%ied

on the ** "tatement in the proed+re de%inition.

• )o n+!!i%y an e3i"ting *CB po"itiona! "+6 parameter "imp!y omit it %rom the *CB parameter gi#en in

the o#erride ** "tatement.

• )o n+!!i%y the *CB parameter omp!ete!y, omit a!! e3i"ting po"itiona! "+6parameter" and e3p!iit!y

n+!!i%y eah e3i"ting 5eyord "+6parameter.

• $o"itiona! "+6parameter" "+h a" *S( are e""entia! to the "y"tem. )he"e m+"t 6e oded, e#en i%

they are "pei%ied in the proed+re de%inition.

• eyord "+6parameter" "+h a" BLSI1 "+pp!y additiona! in%ormation to the operating "y"tem.

I% they are "pei%ied in the proed+re de%inition, then ode on!y tho"e that are to 6e hanged.


Conept"


8/21/2019 JCLb Unit 4

42/70



7u""ifying the DC6 arameter . E/amp"e >

)hi" i" a ** "tatement in a proed+re "tep a!!ed $S)1$?

//DD$ DD DSN=!1DSET&DISP=S0R&

// DC4=4#8NO=$&4"KSI9E=5))&

// REC8!=84&4#8"=5))

I% the 6!o5 "ize and 6+%%er !ength need" to 6e hanged to 20 at the time o% e3e+tion, then the %o!!oing

o#erride ** "tatement need" to 6e oded

//PSTEP$.DD$ DD DC4=4"KSI9E='*)&

// 4#8"='*)

)he #a!+e" o% the *S( and *IS$

parameter" and the B'1C

8/21/2019 JCLb Unit 4

43/70



7u""ifying the DC6 arameter . E/amp"e <

)hi" i" a ** "tatement in a proed+re "tep a!!ed $S)1$?

//DD* DD DSN=!1DSET&DISP=S0R&

// DC4=DS$&4"KSI9E=5)

I% the 6!o5 "ize need" to 6e hanged to 400 and the remaining *CB in%ormation ha" to 6e opied %rom a

ata!oged data "et *S? at the time o% e3e+tion, then the %o!!oing o#erride ** "tatement need" to 6eoded

//PSTEP$.DD* DD DC4=DS$&

// 4"KSI9E=+))

)he #a!+e *S? repre"ent" a po"itiona!

"+6parameter, hih m+"t 6e e3p!iit!y "pei%ied

in the o#erride "tatement i% it i" to 6e retained.


Conept"


8/21/2019 JCLb Unit 4

44/70



7u""ifying the DC6 arameter . E/amp"e 8

)hi" i" a ** "tatement in a proed+re a!!ed $S)1$?

//DD' DD DSN=!1DSET&DISP=S0R&

// DC4=REC8!=84&

// 4"KSI9E=$7)&"REC"=5)

In order to n+!!i%y the entire *CB parameter o% the ** "tatement, eah *CB 5eyord "+6parameter "pei%ied

in the proed+re de%inition m+"t 6e n+!!i%ied a" "hon 6e!o

//PSTEP$.DD' DD DC4=REC8!=&4"KSI9E=&"REC"=


Conept"


8/21/2019 JCLb Unit 4

45/70



#hich of the fo""o!ing ru"es app"y to coding DD override statements for the DC6 parameter)

. Code on!y tho"e 5eyord "+6parameter" yo+ ant to hange.

B. )o n+!!i%y, omit po"itiona! parameter" and n+!!i%y a!! 5eyord parameter".

C. Spei%y any po"itiona! "+6parameter" yo+ ant to retain.

*. )o n+!!i%y, ode *CBG('LLe#ie


8/21/2019 JCLb Unit 4

46/70



* DD statement named DD> in a procedure ca""ed STE< has the fo""o!ing DC6 parameter

Comp"ete the fo""o!ing 3C4 statements to change the b"oc$ si?e and buffer "ength to 8

8/21/2019 JCLb Unit 4

47/70



*CB "+6parameter" #aria6!e p!aed ithin parenthe"i" ithin the *CB parameter, to "pei%y in%ormation "+h a" 6!o5 "ize or reord %ormat.

eyord "+6parameter" )hi" i" a !i"t o% #aria6!e in%ormation ontained ithin parenthe"e", and

%o!!oed 6y an e-+a! "ign and #a!+e.

$o"itiona! "+6parameter" )hi" i" a !i"t o% #aria6!e in%ormation oded in parenthe"e".

-"ossary

@!o""ary



8/21/2019 JCLb Unit 4

48/70




• *i"+"" the need to n+!!i%y a parameter

• 13p!ain ho to n+!!i%y a parameter

• 13p!ain ho to n+!!i%y a *S( parameter

• >eognize the r+!e" hi!e o#erriding or n+!!i%ying a *CBparameter

• 13p!ain ho to n+!!i%y a *CB parameter

Topic Summary


S+mmary


8/21/2019 JCLb Unit 4

49/70









)opi"


8/21/2019 JCLb Unit 4

50/70




• *i"+"" the need to add a ** "tatement

• 13p!ain ho to add a ** "tatement

Topic Objectives

Topic: Addition DD StatementsUnit: Modifying DD Parameters

Introd+tion


8/21/2019 JCLb Unit 4

51/70



*ddition DD Statements

I% a re-+ired data "et i" not %o+nd in the proed+re de%inition then an additiona! ** "tatement an 6e odeda!ong ith the in#oation o% the proed+re.

)he genera! %orm i" "ame a" an o#erride ** "tatement

//prostepname.ddname DD parameter=value


Conept"


8/21/2019 JCLb Unit 4

52/70



In thi" e3amp!e, the )>(SC) proed+re i"+"ed to proe"" +"tomer order".

1#ery -+arter the tran"ation inp+t %i!e data "et

I()>( ha" to 6e he5ed again"t the ma"ter

+"tomer !i"t data "et MS)1> to en"+re that

eah tran"ation ha" #a!id +"tomer.

*+ring the ro+tine ee5!y e3e+tion the he5 i"

not made, and data "et MS)1> i" not +"ed.

*dding DD Statements . *n E/amp"e

TRANSACT

MASTER

VA!ID

INTRAN

? 00 ?

? 00 ?

? 00 ?

%uarter&'


Conept"


8/21/2019 JCLb Unit 4

53/70


)he )>(SC) proed+re de%inition i" "hon onthe right.

In thi" proed+re

• )he $>M #a!+e o% (OCK1C i"

"pei%ied in the $S)1$? 11C

"tatement

• $S)1$? doe" not in!+de a re%erene to

data "et MS)1>

*dding DD Statements . rocedure Definition

//PSTEP$ EXEC P-!=PRO-$&TI!E$&')&

// PR!=NOC0ECK


//DD' DD S1SO#T=


// DISP=NE%&PSS&


//PSTEP* EXEC P-!=PRO-*&TI!E=,//DD, DD DSN=22V"ID&

// DISP=O"D&DE"ETE

//DD7 DD S1SO#T=


Conept"


8/21/2019 JCLb Unit 4

54/70


)o e3e+te the proed+re ro+tine!y e#ery ee5itho+t ma5ing the he5, yo+ o+!d ode the

%o!!oing 11C "tatement to in#o5e the

proed+re

//3STEP EXEC TRNSCT

)he ode on the right repre"ent" the e%%eti#e

JCL

%or thi" parti+!ar 9o6.

*ddition DD Statements . EXEC Statement


// PR!=NOC0ECK


//DD' DD S1SO#T=


// DISP=NE%&PSS&



// DISP=O"D&DE"ETE

//DD7 DD S1SO#T=

Contin+edE


Conept"


8/21/2019 JCLb Unit 4

55/70


M parameter #a!+e o%

CK1C to o#erride the #a!+e o%

(OCK1C

• n addition ** "tatement to identi%y

data "et MS)1> that $>O@? need" toae"" to per%orm the he5

)he ode on the right repre"ent" the 11C

"tatement +"ed to in#o5e the proed+re.

*ddition DD Statements . EXEC Statement 0cont&d1

//3STEP EXEC TRNSCT&

// PR!.PSTEP$=C0ECK

//PSETP$.DD* DD DSN=!STER&

// DISP=S0R


Conept"


8/21/2019 JCLb Unit 4

56/70



)he $>M #a!+e ha" 6een o#erridden to CK1C

and an addition "tatement to identi%y data "et

MS)1> ha" 6een "pei%ied.

*ddition DD Statements . Effective 3C4


// PR!=C0ECK


//DD' DD S1SO#T=


// DISP=NE%&PSS&


//DD* DD DSN=!STER&DISP=S0R//PSTEP* EXEC P-!=PRO-*&TI!E=,


// DISP=O"D&DE"ETE


Conept"


8/21/2019 JCLb Unit 4

57/70


Under !hich one of the fo""o!ing conditions !ou"d you code an addition DD statement)

. )he ddname yo+ need i" not "pei%ied.

B. )he ddname i" "pei%ied, 6+t the attri6+te" are not appropriate.

C. )he proed+re "tep ha" a ** "tatement ith the *'MMH parameter.

*re #e on Trac$)


>e#ie


8/21/2019 JCLb Unit 4

58/70


The fo""o!ing is a procedure ca""ed *752OC

Code an addition statement for *752OC' Specify% for 2O-

8/21/2019 JCLb Unit 4

59/70



• *i"+"" the need to add a ** "tatement

• 13p!ain ho to add a ** "tatement

Topic Summary


S+mmary


8/21/2019 JCLb Unit 4

60/70








)opi"


8/21/2019 JCLb Unit 4

61/70



• *i"+"" hat i" "e-+ening m+!tip!e parameter"

• Identi%y the r+!e" %or "e-+ening m+!tip!e parameter"

• '"e the "horthand %orm %or m+!tip!e o#erride **

"tatement"

Topic Objectives

Unit: Modifying DD Parameters Topic: Sequencing Multiple Parameters

Introd+tion


8/21/2019 JCLb Unit 4

62/70


ny n+m6er o% o#erride and addition ** "tatement" an 6e oded to in#o5e a proed+re.

)he r+!e" %or oding m+!tip!e parameter" are

• Code the 11C "tatement to in#o5e the proed+re.

•

O#erriding "tatement" an appear in any order hen they e3p!iit!y "pei%y the "tep that i" 6eingo#erridden.

• dded "tatement" an appear in any order hen they "pei%y the "tep e3p!iit!y.

• O#erriding and added "tatement" that do not e3p!iit!y "pei%y the "tep are app!ied to the "tep

named in the pre#io+" o#erriding or added O')$') JCL or ** "tatement. I% no pre#io+" o#erride

"tatement named a "tep, then they are app!ied to the %ir"t "tep in the proed+re.

Coding Mu"tip"e arameters


Conept"


8/21/2019 JCLb Unit 4

63/70


)he )>(SC) proed+re de%inition i""hon on the right.

)he %o!!oing hange" need to 6e made

• $>O@? o6tain" it" inp+t tran"ation"%rom a ata!oged data "et named

MH*), in"tead o% %rom I()>(.• $>O@? he5" the ontent" o%

MH*) again"t the ontent" o% a"eond ata!oged data "et namedC*). )he $>M #a!+e o%(OCK1C need" to 6e o#erridden iththe #a!+e CK1C, and a ** "tatementnamed **2 to re%erene C*) ha"

to added.• $>O@2 rite" it" o+tp+t +"ing ddname

**8 to a data "et named I(VOIC1 ona =0 #o!+me ith #o!+me identi%ier8=2=L. )he data "et re-+ire" ?0 tra5"o% "pae and "ho+!d 6e ata!oged.

Se,uencing Mu"tip"e arameters . *n E/amp"e


// PR!=NOC0ECK


//DD' DD S1SO#T=


// DISP=NE%&PSS&



// DISP=O"D&DE"ETE

//DD7 DD S1SO#T=


Conept"


8/21/2019 JCLb Unit 4

64/70


2efer to the previous e/amp"e' #hich of the fo""o!ing 3C4 statements !ou"d you need

!hen you invo$e T2*7S*CT)

. n 11C "tatement ith a $>M parameter o#erride

B. n o#erride ** "tatement %or $S)1$2.**8

C. n addition ** "tatement %or $S)1$?

*. n o#erride ** "tatement %or $S)1$?.**?

*re #e on Trac$)


>e#ie


8/21/2019 JCLb Unit 4

65/70


)he JCL +"ed to in#o5e )>(SC) i" "hon onthe right.

• )he $>M parameter #a!+e ha" 6een

o#erridden to CK1C

• )he o#erride %or **? in "tep $S)1$? i"

"pei%ied

• )he addition "tatement **2 %or "tep

$S)1$? i" "pei%ied

• )he o#erride "tatement %or **8 in "tep

$S)1$2 i" "pei%ied

Se,uencing 2u"es . *n E/amp"e

//3STEP EXEC TRNSCT&

// PR!.PSTEP$=C0ECK

//PSTEP$.DD$ DD DSN=!1DT

//PSTEP$.DD* DD DSN=CKDT&

// DISP=S0R

//PSTEP*.DD7 DD DSN=INVOICE&

// DISP=NE%&CT"-&// #NIT=''()&

// VO"=SER=7(*("&// SPCE=TRK&$)


Conept"


8/21/2019 JCLb Unit 4

66/70


Shorthand %orm o% oding m+!tip!e o#erride andaddition ** "tatement" an 6e +"ed in the

proed+re "tep "e-+ene.

)o ode the "horthand %orm

•

8/21/2019 JCLb Unit 4

67/70


The procedure named #EE@45 is sho!n be"o!'

//S$ EXEC P-!=PROCESS&TI!E=$&')

//DD$ DD DSN=!1DT&DISP=S0R

...

//S* EXEC P-!=4I""

//DD' DD DSN=22TE!P&

// DISP=NE%&DE"ETE

...

Code the EXEC statement re,uired to passA

a' *2M va"ue of 5ES to the program named 2OCESS

b' Impose a CU time "imit of 8 minutes for e/ecution of the program named 6I44

c' Use the insta""ation(define time defau"t for the program named 2OCESS

//3STEP EXEC :::::::::::::::::::::::::

*re #e on Trac$)


>e#ie


8/21/2019 JCLb Unit 4

68/70


The procedure named #EE@45 is sho!n be"o!'

//S$ EXEC P-!=PROCESS&TI!E=$&')

//DD$ DD DSN=!1DT&DISP=S0R

...

//S* EXEC P-!=4I""

//DD' DD DSN=22TE!P&

// DISP=NE%&DE"ETE

...

Comp"ete the DD override statement to specify that 2OCESS obtain its input from a cata"oged

data set named 7E#D*T*'

::::::::::: DD DSN=NE%DT

*re #e on Trac$)


>e#ie


8/21/2019 JCLb Unit 4

69/70



• *i"+"" hat i" "e-+ening m+!tip!e parameter"

• Identi%y the r+!e" %or "e-+ening m+!tip!e parameter"

• '"e the "horthand %orm %or m+!tip!e o#erride **

"tatement"

Topic Summary


S+mmary


8/21/2019 JCLb Unit 4

70/70

(o that yo+ ha#e omp!eted thi" +nit, yo+ "ho+!d 6e a6!e to

• O#erride or n+!!i%y parameter" on proed+re "tep **"tatement"

• dd ** "tatement" to a proed+re "tep i% it doe" nota!ready ontain a!! the ** "tatement" re-+ired %or

e3e+tion

• Corret!y "e-+ene m+!tip!e temporary a!teration" toproed+re "tep ** "tatement"

Unit Summary


jclb unit 4

Documents