# jCL B

Tags: jcl

# Description

The command moves the active input buffer pointer back to the previous parameter. It takes the general form:

# Note

The input buffer pointer is moved backwards to the preceding field mark or to the beginning of the input buffer. If the pointer is on the first character of a parameter (or a field marker), the pointer will be moved back to the field mark of the previous parameter.

# Example 1

| Command |  PIB Before   |   PIB After   |
| ------- |  ----------   |   ---------   |
| B       | ABC^DEF^GHIJK | ABC^DEF^GHIJK |
|         |            ^  |        ^      |

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# Example 2

| Command |  PIB Before   |    PIB After  |
| ------- |  ----------   |    ---------  |
| B       | ABC^DEF^GHIJK | ABC^DEF^GHIJK |
|         |         ^     |    ^          |

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ack to jCL Commands