diff --git a/bash/.bashrc b/bash/.bashrc
index 72ee9ab..a9f1c66 100644
--- a/bash/.bashrc
+++ b/bash/.bashrc
@@ -73,3 +73,43 @@ unset command_not_found_handle
 if [ -f /usr/share/fzf/shell/key-bindings.bash ]; then
     source /usr/share/fzf/shell/key-bindings.bash
 fi
+
+
+ex() {
+    local c e i
+
+    (($#)) || return
+
+    for i; do
+        c=''
+        e=1
+
+        if [ $# -eq 0 ]; then
+            echo "No file specified"
+            exit
+        fi
+
+        if [[ ! -r $i ]]; then
+            echo "$0: file is unreadable: \`$i'" >&2
+            continue
+        fi
+
+        case $i in
+            *.tar) c=(tar xf);;
+            *.7z)  c=(7z x);;
+            *.Z)   c=(uncompress);;
+            *.bz2) c=(bunzip2);;
+            *.exe) c=(cabextract);;
+            *.gz)  c=(gunzip);;
+            *.rar) c=(unrar x);;
+            *.xz)  c=(unxz);;
+            *.zip) c=(unzip);;
+            *)     echo "$0: unrecognized file extension: \`$i'" >&2
+                   continue;;
+        esac
+
+        command "${c[@]}" "$i"
+        ((e = e || $?))
+    done
+    return "$e"
+}