grep
grep
[1] is a command for searching plain text data sets for lines that match a regular expression.
~/.bash_profile
alias grep='grep --color=auto'
Contents
Common options
-o, --only-matching
-a, --text equivalent to --binary-files=text
-i
-I
Ignore binaries-r
-v
-w
--exclude
--exclude-dir
grep -r --color=always -n -H --exclude-dir='.*'
--line-buffered
-H, --with-filename
Examples
grep -ir "YOUR TEXT" *
Search for a pattern: TEXT="OTHER_TEXT"
grep -o 'TEXT="\w*"' index.html
Search for a pattern: TEXT="OTHER _TE XT" including spaces:
grep -o 'TEXT="[ a-zA-Z0-9_]*"' index.html
Search in hidden folders:
grep -ir your-search * .[^.]*
grep your-search$
grep -qxF 'your text "additional text"' yourfile.txt || echo 'your text "additional text"' >> yourfile.txt
Related
findstr
(Windows)- ggrep macOS
stdin, stdout, stderr, 2>&1
- include (Cisco IOS)
awk '/TEXT_TO_SEARCH/{f=1}f' file
ag
git grep "your_string" $(git rev-list --all)
aws --filters
match
PAN-OS commandpsql -c
pkill -x
- Amazon CloudWatch Logs Insights
- Logs: ElasticSearch and OpenSearch
logcli
for Loki
[[:alpha:]]
[[:alnum:]]
[[:digit:]]
See also
grep, grep -A, grep -B, grep -n, grep -H
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
include
Cisco IOS commandmatch
PAN-OS commandSelect-String
orsls
in Powershell- Linux logging, Cisco IOS logging
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