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30 lines
818 B
Plaintext
30 lines
818 B
Plaintext
7 years ago
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# perl
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# The Perl 5 language interpreter.
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# Parse and execute a Perl script:
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perl script.pl
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# Check syntax errors on a Perl script:
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perl -c script.pl
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# Parse and execute a perl statement:
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perl -e perl_statement
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# Import module before execution of a perl statement:
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perl -Mmodule -e perl_statement
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# Run a Perl script in debug mode, using perldebug:
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perl -d script.pl
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# Loo[p] over all lines of a file, editing them [i]n-place using a find/replace [e]xpression:
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perl -p -i -e 's/find/replace/g' filename
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# Run a find/replace expression on a file, saving the original file with a given extension:
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perl -p -i'.old' -e 's/find/replace/g' filename
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# See also:
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# Python language cheat sheets at /perl/
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# list of pages: /perl/:list
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# learn perl: /perl/:learn
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# search in pages: /perl/~keyword
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