Tag Archives: Perl

Perl: Command-line regex

A few command-line tricks for Perl: Filter based on regex (like grep -E) cat file.txt | perl -n -e ‘print if /regex.*matched/’ Replace based on regex cat file.txt | perl -n -e ‘s/regex.*matched/replacement/gi’ Replace based on regex inside file (will change file) perl -pi -e ‘s/regex.*matched/replacement/gi’ *.txt Replace based on regex inside file (will change file) and make… Read More »