Re: Can't use undefined variable as a symbol reference

You declare $FH_OUT with my inside a while loop (lines 41 - 59). You then try to print to $FH_OUT outside the loop. Since you commented out strict (why?), you can do it, but $FH_OUT is undefined. Hence, the error.

Line 76 is the only place where $count is mentioned. That's what the warning tells you.

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Comment on Re: Can't use undefined variable as a symbol reference

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Re^2: Can't use undefined variable as a symbol reference by wrkrbeee (Scribe) on Feb 08, 2015 at 22:41 UTC
Thank you! Stupid of me to leave strict out of the code. Duhhh. Moved the output statement up inside the loop. Seems to work now. Any recommendations for improving the code? Thank you again for answering a stupid question.	[reply]
Re^2: Can't use undefined variable as a symbol reference by wrkrbeee (Scribe) on Feb 08, 2015 at 22:45 UTC
Any recommendations for reading only the first 30 lines of a file?	[reply]
Re^3: Can't use undefined variable as a symbol reference by james28909 (Deacon) on Feb 09, 2015 at 00:37 UTC
Use a counter. Once counter equals 30, exit loop.	[reply]
Re^4: Can't use undefined variable as a symbol reference by soonix (Chancellor) on Feb 09, 2015 at 14:33 UTC
plus you can let perl do the counting. See perldoc perlvar, search for "`$.`" or "input_line_number".	[reply] [d/l]