zshrc: dynamic terminal title

rc/zshrc

@@ -8,6 +8,24 @@
 uname=$(uname)
 UNAME=$(uname)
 
+# Dynamic window title via https://stackoverflow.com/a/20772424
+case $TERM in
+  (*xterm* | *rxvt*)
+
+    # Write some info to terminal title.
+    # This is seen when the shell prompts for input.
+    function precmd {
+      print -Pn "\e]0;zsh%L %(1j,%j job%(2j|s|); ,)%~\a"
+    }
+    # Write command and args to terminal title.
+    # This is seen while the shell waits for a command to complete.
+    function preexec {
+      printf "\033]0;%s\a" "$1"
+    }
+
+  ;;
+esac
+
 # enable terminal bell
 
 if [[ -f /usr/bin/xset ]];