sed (editor)
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↑ https://stackoverflow.com/a/801036
wikipedia:sed
(1974) utility is using for text processing, such as strings replacements.
sed /xxx/yyy/g
g - global -i
brew install gnu-sed
Contents
Sed Basic examples
- Replace all occurrences of TEXT_STRING (
/g
)
sed -i s/OLD_TEXT_STRING/NEW_TEXT_STRING/g file.txt
sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt
- Append a space at the beginning 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\>'/
sed s/^/" sed s/$/""/
- Add * at the beginning of the line:
sed s/^/"*"/
- Replace spaces:
sed s/' '//g
- Delete characters before a pattern
sed -e 's/....yourtext/ yourtext/g' file.txt
Help
usage: sed script [-Ealn] [-i extension] [file ...] sed [-Ealn] [-i extension] [-e script] ... [-f script_file] ... [file ...]
Related
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
sed -n
- Chef: Editing a file
- Redirection: double redirection
- file (Puppet)
- prepend
- kubectl patch
See also
sed, gsed
,-n, -i
,Ansible: replace
,append
,Chef: Editing a file
,lineinfile
- 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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