pandoc-make: better help page access

.config/shell/bin/pandoc-make

@@ -15,11 +15,15 @@ usage() {
 	EOF
 }
 
-if [ -z "$1" ]; then
+# Help menu (yes, I forget how to use my own program sometimes)
+if [[ -z "$1" ]]; then
    usage && exit 1
 fi
+if [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]; then
+   usage && exit
+fi
 
-if [ -z "$2" ]; then
+if [[ -z "$2" ]]; then
    echo "error: no files specified"
    usage && exit 1
 fi
@@ -28,7 +32,7 @@ SKIP_FIRST=true
 
 for FILE in "$@";do
    $SKIP_FIRST && SKIP_FIRST=false && continue
-   if [ -f "$FILE" ]; then
+   if [[ -f "$FILE" ]]; then
       pandoc -s "$FILE" -o "${FILE%.*}.${FORMAT##.}"
    fi
 done