Difference between revisions of "Grep"

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Line 25: Line 25:
 
* <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>
* <code>grep -w</code>
+
* <code>[[grep -w]]</code>
 
* <code>[[grep -A]]</code>
 
* <code>[[grep -A]]</code>
 
* <code>[[grep -B]]</code>
 
* <code>[[grep -B]]</code>

Revision as of 14:53, 16 March 2023

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'

Common options

-o, --only-matching
-a, --text equivalent to --binary-files=text

Examples

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 * .[^.]*


Related

 [[:alpha:]]
 [[:alnum:]]
[[:digit:]]

See also

  • http://man7.org/linux/man-pages/man1/grep.1p.html
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