Difference between revisions of "Sed (editor)"
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↑ https://stackoverflow.com/a/801036
Tags: Mobile web edit, Mobile edit |
Tags: Mobile web edit, Mobile edit |
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Line 23: | Line 23: | ||
<pre>sed s/'^'/'\<code\>'/ | sed s/'$'/'\<\/code\>'/</pre> | <pre>sed s/'^'/'\<code\>'/ | sed s/'$'/'\<\/code\>'/</pre> | ||
− | * Replace [[spaces]]: <code>[[sed]] s/' '//g</code> | + | * Replace [[spaces]]: |
+ | :<code>[[sed]] s/' '//g</code> | ||
== Help == | == Help == |
Revision as of 06:16, 20 April 2021
sed
utility is using for text processing, such as strings replacements.
Sed Basic examples
- Replace all occurrences of TEXT_STRING
sed -i s/OLD_TEXT_STRING/NEW_TEXT_STRING/g file.txt
sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt
- Append a spce at the beggining of lines:
- Append a text (TEST_TO_APPEND_AT_END) at the end of a line (
$
):
sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt
- Move N lines from text file to new file:
head -1000 input > output && sed -i '1,+999d' input
[1]
- Add at the beginning and end of a sentence:
<code> and </code>
sed s/'^'/'\<code\>'/ | sed s/'$'/'\<\/code\>'/
- Replace spaces:
sed s/' '//g
Help
usage: sed script [-Ealn] [-i extension] [file ...]
sed [-Ealn] [-i extension] [-e script] ... [-f script_file] ... [file ...]
Related commands
awk
lineinfile (Ansible)
- Concatenate lines on a file using
tr
cat your_file.txt | while read i; do echo "YOUR_TEST $i"; done
cat your_file.txt | while read i; do echo "$(date) $i"; done
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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