/Shell/Bash/Bash check if package is installed

Bash check if package is installed

REQUIRED_PKG="some-package"
PKG_OK=$(dpkg-query -W --showformat='${Status}\n' $REQUIRED_PKG|grep "install ok installed")
echo Checking for $REQUIRED_PKG: $PKG_OK
if [ "" = "$PKG_OK" ]; then
  echo "No $REQUIRED_PKG. Setting up $REQUIRED_PKG."
  sudo apt-get --yes install $REQUIRED_PKG 
fi

Source: stackoverflow.com

Similar codes

3 votes182 views1 answer
Firebase deploy rules
Shell/Bash
4 votes217 views3 answers
Linux replace spaces with underscore from all files in directory
Shell/Bash
0 vote225 views1 answer
Ubuntu command upgrade application
Shell/Bash
0 vote211 views1 answer
How to download utorrent in kali linux
Shell/Bash
3 votes203 views1 answer
How to install all dependencies in package.json using npm reactnative
Shell/Bash
1 vote245 views1 answer
Git discard staged changes
Shell/Bash
0 vote209 views1 answer
Install node red in widnows
Shell/Bash
2 votes202 views2 answers
Git undo amend
Shell/Bash
0 vote257 views1 answer
How to sort in grep in second column in /etc/passwd
Shell/Bash
0 vote201 views1 answer
/bin/bash: ./darknet: no such file or directory
Shell/Bash