mirror of
https://github.com/chubin/cheat.sheets
synced 2024-11-03 15:40:17 +00:00
31 lines
852 B
Plaintext
31 lines
852 B
Plaintext
# 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
|
|
|
|
# Import module before execution of a perl statement:
|
|
perl -Mmodule -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 find/replace expression on a file, saving the original file with a given extension:
|
|
perl -p -i'.old' -e 's/find/replace/g' filename
|
|
|
|
# See also:
|
|
# Perl language cheat sheets at /perl/
|
|
# list of pages: /perl/:list
|
|
# learn perl: /perl/:learn
|
|
# perl one-liners: /perl/1line
|
|
# search in pages: /perl/~keyword
|