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 vote143 views2 answers
Psycopg2 error
Shell/Bash
2 votes178 views1 answer
How to stop mongodb server in ubuntu
Shell/Bash
0 vote141 views1 answer
Install node red in widnows
Shell/Bash
22 votes131 views3 answers
Install google chrome ubuntu
Shell/Bash
68 votes160 views3 answers
Git config credential.username
Shell/Bash
109 votes136 views6 answers
Ubuntu install nodejs
Shell/Bash
1 vote136 views1 answer
Linkedin video downloader terminal
Shell/Bash
0 vote184 views1 answer
How check status docker in ubuntu
Shell/Bash
0 vote142 views1 answer
Install litedb
Shell/Bash
9 votes191 views5 answers
Discard unstaged changes git
Shell/Bash