Name
a
Synopsis
a [line] command
Description
Sets an action to be done before the line is executed. The following steps are taken:
Checks for a breakpoint at this line.
Prints the line if necessary.
Performs any actions associated with the line.
Prompts the user if at a breakpoint or in single-step mode.
Evaluates the line.
For example, the following prints the value of $foo
(and "DB FOUND“) every time line 53 is passed:
a 53 print "DB FOUND $foo\n"
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