First commit: add help and usage

twtxt-c

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+PROGNAME=${0##*/}
+VERSION="0.0.1"
+
+error_exit() {
+    printf "%s: %s\n" "$PROGNAME" "${1:-"Unknown Error"}" >&2
+    exit 1
+}
+
+usage() {
+	printf "usage: %s [OPTIONS] COMMAND [ARGS]\n" "$PROGNAME" 
+	printf "Simple client for twtxt\n"
+	printf "Options:\n
+  -c, --config PATH  Specify a custom config file location.
+  -v, --verbose      Enable verbose output for debugging purposes.
+  --version          Show the version and exit.
+  -h, --help             Show this message and exit.
+
+Commands:
+  config      Get or set config item.
+  follow      Add a new source to your followings.
+  following   Return the list of sources you’re following.
+  quickstart  Quickstart wizard for setting up twtxt.
+  timeline    Retrieve your personal timeline.
+  tweet       Append a new tweet to your twtxt file.
+  unfollow    Remove an existing source from your...
+  view        Show feed of given source.
+  registry    Show registers\n"
+}
+case $1 in
+	-h | --help)
+		usage; exit ;;
+	-* | --*)
+        	usage; error_exit "unknown option $1" ;;
+	*)
+		echo " Work in Progress "
+	;;
+esac