/Shell/Bash/Bash substring test

Bash substring test

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'
if [[ "$STR" == *"$SUB"* ]]; then
  echo "It's there."
fi

4

Source: linuxize.com

Checking if a substring exists in a string bash

string='Haystack';

if [[ $string =~ "Needle" ]]
then
   echo "It's there!"
fi

3

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'

if grep -q "$SUB" <<< "$STR"; then
  echo "It's there"
fi

1

Source: linuxize.com

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'

if [[ "$STR" =~ .*"$SUB".* ]]; then
  echo "It's there."
fi

0

Source: linuxize.com

Bash substring test

#!/bin/bash

STR='GNU/Linux is an operating system'
SUB='Linux'

case $STR in

  *"$SUB"*)
    echo -n "It's there."
    ;;
esac

0

Source: linuxize.com

Similar codes

15 votes241 views3 answers
Bash search and replace text in file
Shell/Bash
0 vote232 views1 answer
Cloud functions environment variables
Shell/Bash
0 vote237 views1 answer
Convert vdi to gnome-boxes
Shell/Bash
0 vote239 views1 answer
Npm install less-loader
Shell/Bash
1 vote312 views1 answer
Github color
Shell/Bash
1 vote231 views1 answer
Hoiw to find a certain fil eon ubuntu
Shell/Bash
16 votes231 views3 answers
Ufw inactive
Shell/Bash
2 votes242 views3 answers
Download folder github
Shell/Bash
0 vote239 views1 answer
Grep can't match dash dash
Shell/Bash
1 vote248 views1 answer
Linux repository list
Shell/Bash

Share