tldr/pages/osx/ed.md

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ed

The original Unix text editor. See also: awk, sed. More information: https://www.gnu.org/software/ed/manual/ed_manual.html.

  • Start an interactive editor session with an empty document:

ed

  • Start an interactive editor session with an empty document and a specific [p]rompt:

ed -p '> '

  • Start an interactive editor session with an empty document and without diagnostics, byte counts and '!' prompt:

ed -s

  • Edit a specific file (this shows the byte count of the loaded file):

ed {{path/to/file}}

  • Replace a string with a specific replacement for all lines:

,s/{{regular_expression}}/{{replacement}}/g