How to truncate a log file using perl.
I would like to delete all the lines of a log file except the bottom 100 line,
How can I do it using the perl? do I need to use $. variable for this. Could
someone please help me out. Thanks!
How can I do it using the perl? do I need to use $. variable for this. Could
someone please help me out. Thanks!
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ASKER
any way to get the same using perl ? using basic function and module. Thanks!
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ASKER
Thank you :-)
Perl
Perl is a high-level, general-purpose, interpreted, dynamic programming languages with over 25 years of development. Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large-scale development projects. Perl gained widespread popularity as a Common Gateway Interface (CGI) scripting language, in part due to its regular expression and string parsing abilities. In addition to CGI, Perl is used for graphics programming, system administration, network programming, finance, bioinformatics, and other applications.
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tail -100 file.txt > tail.txt
mv tail.txt file.txt