Pre-recorded question

Question #313
How to search a given pattern (word or string) in files in command line under Linux?
Answer

The grep command can be used to find a word or a text (called pattern) in files under Linux:

grep "pattern to search" path

For example, the following command find all files in the current folder containing the string text to find:

grep "text to find" *.*

The following options may also be helpful:

  • -r search in subfolder recursively ( or --recursive )
  • -i ignore case in search pattern ( or --ignore-case )


The following command search recursively PaTTeRN in sub folders while ignoring case :

grep -i -r "PaTTeRN" path

2 events in history
Answer by Alphonsio 11/12/2020 at 06:36:09 PM

The grep command can be used to find a word or a text (called pattern) in files under Linux:

grep "pattern to search" path

For example, the following command find all files in the current folder containing the string text to find:

grep "text to find" *.*

The following options may also be helpful:

  • -r search in subfolder recursively ( or --recursive )
  • -i ignore case in search pattern ( or --ignore-case )


The following command search recursively PaTTeRN in sub folders while ignoring case :

grep -i -r "PaTTeRN" path

Question by Alphonsio 11/12/2020 at 06:26:55 PM
How to search a given pattern (word or string) in files in command line under Linux?
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