Check if string in file

Bash check if string in file

Just use grep with flags 'F' (fixed string), 'x' (exact match) and 'q'
(quiet output) in order to check if a word string is in a file
if grep -Fxq "string" file.txt; then #do some code...#; fi

Check if string in file

if grep -Fxq "pattern_to_search" file.txt; then #check if pattern string in file
  #do something
fi

-1

Similar codes

1 vote336 views1 answer
Ubuntu update firefox
Shell/Bash
1 vote322 views1 answer
Powreshell function cleanup
Shell/Bash
0 vote360 views2 answers
How to upgrade sharepointpnppowershellonline
Shell/Bash
32 votes367 views6 answers
Git push to branch
Shell/Bash
0 vote352 views1 answer
Unzip bz2 file ubuntu
Shell/Bash
1 vote332 views1 answer
Open gui of git repo
Shell/Bash
0 vote318 views1 answer
No module named 'tensorflow' jupyter notebook
Shell/Bash
1 vote340 views2 answers
Cmd windows download file
Shell/Bash
0 vote325 views1 answer
Docker remove all images powershell
Shell/Bash
0 vote335 views1 answer
Error Invalid plugin options for "gatsby-plugin-manifest":
Shell/Bash