From 1a1afe2419f94852a741d04cfc68bf6fde56d78f Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Fri, 18 Mar 2022 16:43:39 +0100
Subject: [PATCH] Make cat-highlight work with multiple files

---
 .config/zsh/functions.zsh | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/.config/zsh/functions.zsh b/.config/zsh/functions.zsh
index b9b30ff..8e9e69e 100644
--- a/.config/zsh/functions.zsh
+++ b/.config/zsh/functions.zsh
@@ -28,14 +28,26 @@ function export-emacs
     done
 }
 
-# Highlight cat output with whatever less is using for highlighting
+# Highlight cat output with whatever less is using for highlighting. The command
+# in ${LESSOPEN} needs to be able to work with multiple files.
 function cat-highlight()
 {
     # Check if we are in a terminal and $LESSOPEN is not empty
     if [[ -t 1 && -n "${LESSOPEN}" ]]; then
-        # Works only if command understands - as stdin
-        CATOPEN="${LESSOPEN/\%s/-}"
-        eval "\cat $@ ${CATOPEN}"
+        local -a args
+        local -a files
+        for arg in $@; do
+            # Filter out file names
+            if [[ "${arg:0:1}" != "-" ]]; then
+                files+="$arg"
+            else
+                args+="$arg"
+            fi
+        done
+
+        local catopen="${LESSOPEN/| /}"
+        catopen="${catopen/\%s/${files}}"
+        eval "${catopen} | \cat ${args}"
     else
         \cat $@
     fi