JCL IF/THEN/ELSE/ENDIF

Code Example

## JCL IF/THEN/ELSE/ENDIF

The IF/THEN/ELSE/ENDIF construct provides clearer conditional logic than COND parameter.

### Syntax
\`\`\`jcl
//label IF (condition) THEN
//steps...
//label ELSE
//steps...
//label ENDIF
\`\`\`

### Condition Components

| Component | Description |
|-----------|-------------|
| RC | Return code of previous step |
| ABEND | Abend occurred (TRUE/FALSE) |
| ABENDCC | Abend completion code |
| RUN | Step executed (TRUE/FALSE) |
| stepname.RC | Specific step return code |

### Operators
- Comparison: =, !=, <>, >, <, >=, <=
- Logical: AND, OR, NOT
- Grouping: ( )

### Advantages over COND
1. Positive logic (execute IF true)
2. Clearer syntax
3. ELSE option
4. Can check ABEND status
5. Can nest IF statements

### Important Notes
- ELSE is optional
- Can be nested up to 15 levels
- Steps in ELSE run if condition FALSE or step abended