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How to display information of the script while its running?

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Old Unix and Linux 03-08-2013
Rashid Khan Rashid Khan is offline
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How to display information of the script while its running?

how to display the messages on screen IN PERL such as "

1. Entering while loop" if the script enters a while loop.

2. Checking FILENAME. etc...

3. Print statement is also not helpful....

Last edited by Rashid Khan; 03-08-2013 at 04:44 AM..
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Old Unix and Linux 03-08-2013
Corona688 Corona688 is offline Forum Staff  
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You mean like debugging information, which prints lines as it runs code without needing print statements? Try the Perl Debugger perl -d scriptname

It's a bit more complicated than set -x since it's an interactive debugger, but not that complicated. The s command tells it to run the next line, and you can repeat that command by holding down enter. q quits.

See man perldebtut for more complete instructions.
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