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bash check if package is installed Code Example
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



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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
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