Added extract function for files

.bash_aliases

@@ -188,6 +188,31 @@ else
 pfdecrypt() {
 cat "$1" | sed -e '1d' -e '$d' | base64 -d | openssl enc -d -aes-256-cbc -md md5 -out "$2" -k "$3"
 }
+# Extract Function
+extract() {
+  if [ ! -f "$1" ];
+  then
+   printf '"%s" is not a valid file.' "$1"
+   exit 1
+  fi
+ 
+  case $1 in
+   *.tar.bz2)  tar xjf "$1"    ;;
+   *.tar.gz)   tar xzf "$1"    ;;
+   *.bz2)      bunzip2 "$1"    ;;
+   *.rar)      unrar x "$1"    ;;
+   *.gz)       gunzip "$1"     ;;
+   *.tar)      tar xf "$1"     ;;
+   *.tbz2)     tar xjf "$1"    ;;
+   *.tgz)      tar xzf "$1"    ;;
+   *.zip)      unzip "$1"      ;;
+   *.Z)        uncompress "$1" ;;
+   *.7z)       7z x "$1"       ;;
+   *.deb)      ar x "$1"       ;;
+   *.tar.xz)   tar xf "$1"     ;;
+   *)          printf 'cannot extract "%s" with extract()' "$1" ;;
+   esac
+ }
 
 # Terminal Settings
 # set a fancy prompt (non-color, unless we know we "want" color)