mirror of https://github.com/CrimsonTome/tldr.git
771 B
771 B
perl
The Perl 5 language interpreter.
- Parse and execute a Perl script:
perl {{script.pl}}
- Check syntax errors on a Perl script:
perl -c {{script.pl}}
- Parse and execute a perl statement:
perl -e {{perl_statement}}
- Run a Perl script in debug mode, using
perldebug
:
perl -d {{script.pl}}
- Loo[p] over all lines of a file, editing them [i]n-place using a find/replace [e]xpression:
perl -p -i -e 's/{{find}}/{{replace}}/g' {{filename}}
- Run a multi-line find/replace expression on a file (i.e. including line breaks):
perl -0 -p -i -e 's/{{foo\nbar}}/{{foobar}}/g' {{filename}}
- Run a find/replace expression on a file, saving the original file with a given extension:
perl -p -i'.old' -e 's/{{find}}/{{replace}}/g' {{filename}}