/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

0 vote310 views1 answer
Download official emcascripten github repo
Shell/Bash
0 vote273 views1 answer
Find exec rm
Shell/Bash
0 vote297 views1 answer
Linux show file line size
Shell/Bash
0 vote326 views3 answers
How to install idle on ubuntu 20.04
Shell/Bash
0 vote306 views3 answers
Install gitflow
Shell/Bash
2 votes340 views1 answer
Git orphan branch
Shell/Bash
8 votes334 views4 answers
Linux command to open a file
Shell/Bash
0 vote348 views1 answer
Install Strimio on ubuntu
Shell/Bash
0 vote380 views1 answer
Shell script or condition
Shell/Bash
11 votes323 views3 answers
Pip uninstall package and dependencies
Shell/Bash

Share