From 8ee9347041504a1cb5b228229e65e4755d92da7c Mon Sep 17 00:00:00 2001 From: Rubem Pacelli Date: Wed, 24 Jan 2024 23:07:17 -0300 Subject: [PATCH] sed: add delete and insert commands (#12124) * sed: add delete and insert commands --------- Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com> --- pages/linux/sed.md | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/pages/linux/sed.md b/pages/linux/sed.md index 2471f0b53a..7f299235f2 100644 --- a/pages/linux/sed.md +++ b/pages/linux/sed.md @@ -8,18 +8,26 @@ `{{command}} | sed 's/apple/mango/g'` -- Execute a specific script [f]ile and print the result to `stdout`: - -`{{command}} | sed -f {{path/to/script.sed}}` - - Replace all `apple` (extended regex) occurrences with `APPLE` (extended regex) in all input lines and print the result to `stdout`: `{{command}} | sed -E 's/(apple)/\U\1/g'` -- Print just a first line to `stdout`: - -`{{command}} | sed -n '1p'` - - Replace all `apple` (basic regex) occurrences with `mango` (basic regex) in a specific file and overwrite the original file in place: `sed -i 's/apple/mango/g' {{path/to/file}}` + +- Execute a specific script [f]ile and print the result to `stdout`: + +`{{command}} | sed -f {{path/to/script.sed}}` + +- Print just the first line to `stdout`: + +`{{command}} | sed -n '1p'` + +- [d]elete the first line of a file: + +`sed -i 1d {{/path/to/file}}` + +- [i]nsert a new line at the first line of a file: + +`sed -i '1i\your new line text\' {{/path/to/file}}`