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checkpackage.sh

Dieses Snippet prüft, ob System-Packages installiert sind. Kann auf mehreren Distros verwendet werden: Debian, Red Hat, Arch, OpenSUSE und alle Derivate davon.

Der Rückgabewert ist 0 (true) oder 1 (false).

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$0 wget

if [ "$(./check_installed.checkpackage.sh wget)" = "0" ]; then
  echo "wget ist installiert"
else
  echo "wget ist NICHT installiert"
fi

 

Script:

#!/bin/bash

if [ -f /etc/debian_version ]; then
  # Debian-based
  if dpkg -s "$1" &> /dev/null; then
  echo "0"
  else
  echo "1"
  fi
elif [ -f /etc/redhat-release ]; then
  # Red Hat-based
  if rpm -q "$1" &> /dev/null; then
  echo "0"
  else
  echo "1"
  fi
elif [ -f /etc/arch-release ]; then
  # Arch-based
  if pacman -Qi "$1" &> /dev/null; then
  echo "0"
  else
  echo "1"
  fi
elif [ -f /etc/SuSE-release ]; then
  # openSUSE
  if zypper se --installed-only "$1" &> /dev/null; then
  echo "0"
  else
  echo "1"
  fi
else
  echo "Unsupported Linux distribution"
  exit 1
fi
exit 0