Added chx() to toggle whether a file is executable

.zshrc

@@ -59,7 +59,6 @@
    ## Program improvements (ex: ls = ls -h) >>>
    alias df='df -h'         # Human-readable sizes
    alias free='free -m'     # Show sizes in MB
-   alias tm='tmux new -As0' # open a new session called 0, but if there is already a session called 0, connect to it
    alias bc="bc -ql"        # Make bc usable for fast math
 
    # Colors
@@ -75,6 +74,8 @@
    # dotfile management
    alias dot='git --git-dir="/home/blake/git/dotfiles" --work-tree="$HOME"'
 
+   alias tm='tmux new -As0' # open a new session called 0, but if there is already a session called 0, connect to it
+
    # Edit config files
    alias \
       vimrc="$EDITOR ~/.config/nvim/init.vim" \
@@ -105,7 +106,8 @@
       logs='docker-compose logs --tail=200 -f' \
       dupd='docker-compose up -d' \
       ddwn='docker-compose down' \
-      occ='docker exec -it nextcloud occ' \
+      dc='docker-compose' \
+      occ='docker exec -it -u www-data nextcloud php occ' \
 
    # lists all open ports, along with some other info
    alias ls-ports='netstat -tulpn' 
@@ -117,7 +119,7 @@
    SMART_PLUG_IP='192.168.1.250'
    alias l='tplink_smartplug.py -t $SMART_PLUG_IP -c'
    
-   # Colors
+   # Common ls  aliases
    alias \
       la='ls -ah' \
       ll='ls -lh' \
@@ -133,6 +135,21 @@
    # optionally source an external function file
    [ -f "${XDG_CONFIG_HOME:-$HOME/.config}/shell/fnrc" ] && source "${XDG_CONFIG_HOME:-$HOME/.config}/shell/fnrc"
 
+   # toggles whether a file or group of files is executable
+   chx() {
+      for FILE in "$@";do
+         if [  -x "$FILE" ];then
+            chmod -x "$FILE" &&
+            echo -e "$FILE: -x"
+         elif ! [ -x "$FILE" ];then
+            chmod +x "$FILE" &&
+            echo -e "$FILE: +x"
+         else
+            echo "error: file $FILE does not exist" >&2
+         fi
+      done
+   }
+
    # Simple extraction script. Taken from manjaro's .bashrc
    ex() {
       if [ -f $1 ] ; then