shell function to extract most archives with one command (also corrals the contents of files that are known to be tarbombs)

gistfile1.sh

# extract most archives with one command
# (also corrals the contents of files that are known to be tarbombs)
extract () {
   if [ -f $1 ] ; then
      case $1 in
         *.tar.bz2)   tar xjf $1     ;;
         *.tar.gz)    tar xzf $1     ;;
         *.tar)       tar xf $1      ;;
         *.tgz)       tar xzf $1     ;;
         *.tbz2)      tar xjf $1     ;;
         *.gz)        gunzip $1      ;;
         *.bz2)       bunzip2 $1     ;;
         *.rar)       unrar e $1     ;;
         *.zip)       unzip $1       ;;
         *.Z)         uncompress $1  ;;
         *.7z)        7z x $1        ;;
         *.cbr)       mkdir $1-extracted; cd $1-extracted; cp ../$1 ./; unrar e $1; rm $1; cd ..     ;;
         *.cbz)       mkdir $1-extracted; cd $1-extracted; cp ../$1 ./; unzip $1; rm $1; cd ..       ;;
         *.cb7)       mkdir $1-extracted; cd $1-extracted; cp ../$1 ./; 7z x $1; rm $1; cd ..        ;;
         *.jar)       mkdir $1-extracted; cd $1-extracted; cp ../$1 ./; unzip $1; rm $1; cd ..       ;;
         *.epub)      mkdir $1-extracted; cd $1-extracted; cp ../$1 ./; unzip $1; rm $1; cd ..       ;;
         *)           echo "'$1' cannot be extracted via extract()" ;;
      esac
   else
      echo "'$1' is not a valid file"
   fi
}