#+options: toc:nil num:nil author:nil * Using 'sed' to substitute text "~sed~" is a stream editor for filtering and transforming text"... This command in emacs editor : M-x woman [RET] sed Visits the following file with info about ~sed~ usr/share/man/man1/sed.1.gz A brief example: I have a long comma separated text file with strings and need to include a line break after each comma (\n) : cat filetest #+RESULTS: |'string1',|'string2', |'string3'| Using ~sed~ and redirecting the output to "filetest1" : $ sed 's/\,/&\n/g' filetest > filetest1 #+RESULTS: | 'string1', | | 'string2', | | 'string3' |