perl
The Perl 5 language interpreter. More information: <https://www.perl.org>.
Install
- All systems
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curl cmd.cat/perl.sh
- Debian
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apt-get install perl-base - Ubuntu
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apt-get install perl-base -
Alpine
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apk add perl - Arch Linux
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pacman -S perl - Kali Linux
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apt-get install perl-base - CentOS
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yum install perl-base - Fedora
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dnf install perl-base - Windows (WSL2)
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sudo apt-get updatesudo apt-get install perl-base - OS X
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brew install perl - Raspbian
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apt-get install perl-base - Dockerfile
- dockerfile.run/perl
- Docker
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docker run cmd.cat/perl perlpowered by Commando
The Perl 5 language interpreter. More information: <https://www.perl.org>.
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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 -
Edit all file lines [i]n-place with a specific replacement [e]xpression, saving a backup with a new extension:
perl -p -i'.extension' -e 's/regular_expression/replacement/g' path/to/file -
Run a multi-line replacement [e]xpression on a file, and save the result in a specific file:
perl -p -e 's/foo\nbar/foobar/g' path/to/input_file > path/to/output_file -
Run a regular [e]xpression on `stdin`, printing matching [l]ines:
cat path/to/file | perl -n -l -e 'print if /regular_expression/' -
Run a regular [e]xpression on `stdin`, printing only the first capture group for each matching [l]ine:
cat path/to/file | perl -n -l -e 'print $1 if /before(regular_expression)after/'
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