JCL SET Statement

Code Example

## JCL SET Statement

The SET statement defines or modifies symbolic parameters at the job or step level.

### Syntax
\`\`\`jcl
//name SET symbol=value[,symbol=value,...]
\`\`\`

### Using SET
\`\`\`jcl
//        SET HLQ=PROD
//        SET DATE=20241225
//STEP1   EXEC PGM=MYPGM
//INPUT   DD DSN=&HLQ..MASTER.FILE,DISP=SHR
\`\`\`

### Scope
- SET before EXEC: Available to that and following steps
- SET in PROC: Can be overridden when called

### Null Value
\`\`\`jcl
//        SET OPTION=
//STEP1   EXEC PGM=MYPGM,PARM='&OPTION'
\`\`\`

### Concatenation
\`\`\`jcl
//        SET HLQ=PROD
//        SET LLQ=DATA
//DD1     DD DSN=&HLQ..MIDDLE.&LLQ,DISP=SHR
\`\`\`
Results in: PROD.MIDDLE.DATA

### System Symbols
\`\`\`jcl
&SYSUID   - Submitting user ID
&SYSDATE  - Current date (yyddd)
&SYSTIME  - Current time (hhmmss)
&SYSJOBNAME - Job name
\`\`\`