commit a337234298da4f5028b7dcaa8991b9ff6bce7b5a
from: Sylvain Saboua <sylvain@saboua.me>
date: Sat Sep 12 07:09:37 2026 UTC

introducing u/Schreq's way of parsing options

commit - 9b5bb83430f06d79eaa26391f0ad48e175f95fec
commit + a337234298da4f5028b7dcaa8991b9ff6bce7b5a
blob - 09b1f9c69a4939ede9d7bf416cc58d2f30dfc6e8
blob + 2747e277cbf4592271217faf9ae42a07e43bb7e6
--- nwpg.ksh
+++ nwpg.ksh
@@ -19,16 +19,18 @@ COUNT_ARGS="$#"
 integer dir_flag=0
 integer lang_flag=0
 
-#needs to be fixed (option can be passed using -lPython)
-if [[ $COUNT_ARGS -eq 1 || $COUNT_ARGS -eq 3 || $COUNT_ARGS -eq 5  ]]
-then
-	eval project_title=\${$#} ;
-else
-	echo $USAGE;
-	exit 2 ;
-fi
+main() {
 
-create_project() {
+	#needs to be fixed (option can be passed using -lPython)
+	if [[ $COUNT_ARGS -eq 1 || $COUNT_ARGS -eq 3 || $COUNT_ARGS -eq 5  ]]
+	then
+		eval project_title=\${$#} ;
+	else
+		echo $USAGE;
+		exit 2 ;
+	fi
+
+	# Create project dir/files
 	if ! test -d "$PROJECT_FULL_PATH" ; then mkdir -p "$PROJECT_FULL_PATH"
 	else echo "$PROJECT_FULL_PATH already exists"
 	fi
@@ -43,6 +45,29 @@ create_project() {
 	echo "$FILE_EXT files created in $PROJECT_FULL_PATH"
 }
 
+die() { rc=$1; shift; warn "$@"; exit "$rc"; }
+warn() { printf '%s: %s\n' "${0##*/}" "$*" >&2; }
+usage() { printf 'usage: %s %s\n' "${0##*/}" "$*"; exit; }
+version() { printf '%s\n' "$version"; exit; }
+
+parse_options() {
+	# Skip the first argument, which is optstring for getopts.
+	OPTIND=2
+
+	for o in $1; do unset "opt_${o%:}"; done
+
+	while getopts ":$1" o; do
+		case $o in
+			:) die 1 "option requires an argument -- $OPTARG" ;;
+			\?) die 1 "unknown option -- $OPTARG" ;;
+			*) eval "opt_$o=\$((opt_$o + 1)) arg_$o=\$OPTARG" ;;
+		esac
+	done
+
+	unset o
+}
+
+#obsolete
 while getopts 'l:d:' opt ;
 do
 	case $opt in
@@ -59,6 +84,7 @@ do
 done
 shift $(($OPTIND - 1))
 
+#needs to be fixed
 if [ $dir_flag -eq 1 ]
 then
 	PROJECT_FULL_PATH="$directory/$project_title" ;
@@ -71,6 +97,7 @@ then
 	language="$DEFAULT_LANGUAGE" ;
 fi
 
+#needs to be refactored
 case "$language" in
 	C | c )
 		FILE_EXT="c" ;;
@@ -92,5 +119,5 @@ case "$language" in
 		exit 2 ;;
 esac
 
-create_project
+main "$@"