Difference between revisions of "Grep"
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<code>~/.[[bash_profile]]</code> | <code>~/.[[bash_profile]]</code> | ||
− | :<code>alias grep='grep --color=auto'</code> | + | :<code>alias grep='[[grep --color=auto]]'</code> |
== Common options == | == Common options == | ||
− | :<code>-o, --only-matching</code> | + | :<code>[[-o]], --only-matching</code> |
:<code>-a, --text equivalent to --binary-files=text</code> | :<code>-a, --text equivalent to --binary-files=text</code> | ||
+ | :<code>[[-i]]</code> | ||
+ | :<code>[[-r]]</code> | ||
+ | :<code>[[-v]]</code> | ||
+ | :<code>[[-w]]</code> | ||
== Examples == | == Examples == | ||
+ | |||
+ | * <code>[[grep -i]]r "YOUR TEXT" *</code> | ||
+ | |||
Search for a pattern: TEXT="OTHER_TEXT" | Search for a pattern: TEXT="OTHER_TEXT" | ||
− | * <code>grep -o 'TEXT="\w*"' index.html</code> | + | * <code>[[grep -o]] 'TEXT="\w*"' index.html</code> |
Search for a pattern: TEXT="OTHER _TE XT" including spaces: | Search for a pattern: TEXT="OTHER _TE XT" including spaces: | ||
Line 22: | Line 29: | ||
[[End of line]]: | [[End of line]]: | ||
* <code>grep your-search[[$]]</code> | * <code>grep your-search[[$]]</code> | ||
+ | |||
+ | [[Add line]]: | ||
+ | * {{add line}} | ||
− | * <code>grep .</code> | + | * <code>[[grep .]]</code> |
− | * <code>grep -I</code> (Ignore binary files) | + | * <code>[[grep -I]]</code> (Ignore [[binary]] files) |
* <code>[[grep -c]]</code> | * <code>[[grep -c]]</code> | ||
* <code>[[grep -r]]</code>. Related commands: [[PAN-OS]]: <code>show log system [[direction equal backward]]</code> | * <code>[[grep -r]]</code>. Related commands: [[PAN-OS]]: <code>show log system [[direction equal backward]]</code> | ||
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* <code>[[grep -A]]</code> | * <code>[[grep -A]]</code> | ||
* <code>[[grep -B]]</code> | * <code>[[grep -B]]</code> | ||
+ | * <code>[[grep -q]]</code>, quiet | ||
+ | * <code>[[grep -F]]</code>, pattern is a plain string | ||
+ | * <code>[[grep -x]]</code> match the whole line | ||
== Related == | == Related == | ||
* <code>[[findstr]]</code> ([[Windows]]) | * <code>[[findstr]]</code> ([[Windows]]) | ||
+ | * [[ggrep]] [[macOS]] | ||
* [[include (Cisco IOS)]] | * [[include (Cisco IOS)]] | ||
+ | * <code>[[awk]] '/TEXT_TO_SEARCH/{f=1}f' file</code> | ||
* <code>[[ag]]</code> | * <code>[[ag]]</code> | ||
+ | * <code>[[git grep]] "your_string" $([[git rev-list --all]])</code> | ||
* <code>[[aws --filters]]</code> | * <code>[[aws --filters]]</code> | ||
* <code>[[match]]</code> [[PAN-OS]] command | * <code>[[match]]</code> [[PAN-OS]] command | ||
* <code>[[psql -c]]</code> | * <code>[[psql -c]]</code> | ||
+ | * <code>[[pkill -x]]</code> | ||
+ | * [[Amazon CloudWatch Logs Insights]] | ||
* [[Logs]]: [[ElasticSearch]] and [[OpenSearch]] | * [[Logs]]: [[ElasticSearch]] and [[OpenSearch]] | ||
+ | * <code>[[logcli]]</code> for [[Loki]] | ||
<pre> | <pre> | ||
[[:alpha:]] | [[:alpha:]] |
Revision as of 10:01, 13 February 2024
grep
[1] is a command for searching plain text data sets for lines that match a regular expression.
~/.bash_profile
alias grep='grep --color=auto'
Contents
Common options
Examples
grep -ir "YOUR TEXT" *
Search for a pattern: TEXT="OTHER_TEXT"
grep -o 'TEXT="\w*"' index.html
Search for a pattern: TEXT="OTHER _TE XT" including spaces:
grep -o 'TEXT="[ a-zA-Z0-9_]*"' index.html
Search in hidden folders:
grep -ir your-search * .[^.]*
grep your-search$
grep -qxF 'your text "additional text"' yourfile.txt || echo 'your text "additional text"' >> yourfile.txt
grep .
grep -I
(Ignore binary files)grep -c
grep -r
. Related commands: PAN-OS:show log system direction equal backward
grep -w
grep -A
grep -B
grep -q
, quietgrep -F
, pattern is a plain stringgrep -x
match the whole line
Related
findstr
(Windows)- ggrep macOS
- 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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