Zsh: Add cat-highlight function

.config/zsh/.zaliases

@@ -78,6 +78,8 @@ alias ip='ip -color -brief'
 # Add --accept=".jpg,.png" or whatever.
 alias wget_leech='wget --no-directories --page-requisites --span-hosts'
 
+alias cat='cat-highlight'
+
 # OS specific settings.
 case $(lsb_release -i -s 2> /dev/null) in
     Gentoo)

.config/zsh/functions.zsh

@@ -27,3 +27,15 @@ function export-emacs
         emacsclient -e "(setenv \"${name}\" \"${value}\")" >/dev/null
     done
 }
+
+# Highlight cat output with whatever less is using for highlighting
+function cat-highlight()
+{
+    if [[ -t 1 ]]; then         # We're in a terminal
+        CATOPEN="${LESSOPEN/| }"
+        CATOPEN="${CATOPEN/ %s}"
+        cat $@ | eval ${CATOPEN}
+    else
+        cat $@
+    fi
+}