From dd426b16d5e03a164597206b7db16577f274faad Mon Sep 17 00:00:00 2001
From: Martin Winkler <efelon@winklerfamilie.eu>
Date: Sat, 5 Mar 2022 16:59:12 +0100
Subject: [PATCH] Handle multiple input file arguments as well as - for
 standard input

---
 catmd.sh | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/catmd.sh b/catmd.sh
index fadee5e..c682b90 100755
--- a/catmd.sh
+++ b/catmd.sh
@@ -260,23 +260,36 @@ parseline() {
 }
 
 catmd() {
-  local line=
   for arg in "$@"; do
     case "$1" in 
+      -)
+        # treat - as input stream
+        break;;
       -*)
         # Ignore args for now
         shift;;
     esac
   done
-  local file="$1"
+ 
+  local line=
+  local myargs=("$@")
 
-  while IFS='' read -r line; do 
-    parseline "$line"
-  done <"${file:-/dev/stdin}"
-  echo -en "$FO_RESET"
+  # Use standard input if now files are present
+  [ $# -eq 0 ] && myargs[0]="/dev/stdin"
+  
+  for file in "${myargs[@]}"; do
+    [ "$file" == "-" ] && file="/dev/stdin"
+    while IFS='' read -r line; do 
+      parseline "$line"
+    done <"${file}"
+    # If last line in a file has no newline, read ends but still populates $line
+    [[ $line ]] && parseline "$line"
+    echo -en "$FO_RESET"
+  done
 }
 
 ## Font formating
+FO_RESET=$(tput sgr0)
 FO_BLINK=$(tput blink) # '\033[5m'
 FO_BOLD=$(tput bold) # '\033[1m'
 FO_SO=$(tput smso) # '\033[7m'
@@ -287,7 +300,6 @@ FO_INVIS=$(tput invis) # '\033[8m'
 ## Rareley supported
 FO_DIM=$(tput dim)
 FO_REV=$(tput rev)
-FO_RESET=$(tput sgr0)
 
 ## Colorcodes
 ##