Difference between revisions of "Sed (editor)"
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↑ https://stackoverflow.com/a/801036
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* Append a text (TEST_TO_APPEND_AT_BEGINNIG) at the beginning of a line: | * Append a text (TEST_TO_APPEND_AT_BEGINNIG) at the beginning of a line: | ||
:: <code>sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt</code> | :: <code>sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt</code> | ||
| − | * Append a text (TEST_TO_APPEND_AT_END) at the end of a line: | + | * Append a text (TEST_TO_APPEND_AT_END) at the [[end of a line]] (<code>$</code>): |
:: <code>sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt</code> | :: <code>sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt</code> | ||
* Move N [[lines]] from text file to new file: | * Move N [[lines]] from text file to new file: | ||
:: <code>head -1000 input > output && sed -i '1,+999d' input</code> <ref>https://stackoverflow.com/a/801036</ref> | :: <code>head -1000 input > output && sed -i '1,+999d' input</code> <ref>https://stackoverflow.com/a/801036</ref> | ||
| − | |||
== Related commands == | == Related commands == | ||
Revision as of 05:43, 22 May 2020
sed utility is using for text processing, such as strings replacements.
Sed Basic examples
- Replace a TEXT_STRING
sed -i s/OLD_TEXT_STRING/NEW_TEXT_STRING/ file.txt
- Append a text (TEST_TO_APPEND_AT_BEGINNIG) at the beginning of a line:
sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt
- Append a text (TEST_TO_APPEND_AT_END) at the end of a line (
$):
sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt
- Move N lines from text file to new file:
head -1000 input > output && sed -i '1,+999d' input[1]
Related commands
See also
- Editors:
vi, vim,sed,awk, emacs,lineinfile (Ansible), Atom,paste, Neovim, Rider,visudo, vipw,update-alternatives,nano,more, less,.vimrc,set (vi)zed ack, ag, grep,egrep, fgrep,agrep,ngrep,pgrep,awk,sed,strings,tr,tail,mtail,git grep,wc,uniq,LogQL,findstr (Windows),rg, git-grep, cut- Ansible lineinfile module
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