From dc329c08b542cbcf6a0a73ba1f07c61ab32626f7 Mon Sep 17 00:00:00 2001
From: icasimpan <ismael.angelo@casimpan.com>
Date: Thu, 21 Aug 2014 14:00:58 +0800
Subject: [PATCH] added auto-helpers if missing parameter(s) detected

---
 @ | 43 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

diff --git a/@ b/@
index ec2cec0..1fe6242 100755
--- a/@
+++ b/@
@@ -202,11 +202,24 @@ _external () {
 }
 
 _external-code () {
+ local errmsg="Missing parameter(s). 
+Usage: $(_help-on external-code)
+ "
+ 
+ [[ $# -eq 0 ]] && { die "$errmsg"; }
+
  ext_code $1
 }
 
 _external-extract () {
+ local errmsg="Missing parameter(s). 
+Usage: $(_help-on external-extract)
+ "
+ 
+ [[ $# -eq 0 ]] && { die "$errmsg"; }
+ 
  ext_header $1 $( ext_origin $1 )
+
  ext_code $1
  ext_footer $1
 }
@@ -214,9 +227,15 @@ _external-extract () {
 _external-remove () {
  local starts ends file
 
+ local errmsg="Missing parameter(s). 
+Usage: $(_help-on external-remove)
+ "
+ 
+ [[ $# -eq 0 ]] && { die "$errmsg"; }
+ 
  starts=$( ext_begins $1 )
  ends=$( ext_ends $1 )
-
+ 
  [[ -z "$starts" || -z "$ends" ]] && die "Cannot find start or end of $1"
  is_numeric $starts || die "something is not right"
  is_numeric $ends || die "something is not right"
@@ -229,12 +248,26 @@ _external-remove () {
 _external-append () {
  local line=$( ext_ends $1 )
  local file=$2
+
+ local errmsg="Missing parameter(s). 
+Usage: $(_help-on external-append)
+ "
+ 
+ [[ $# -eq 0 ]] && { die "$errmsg"; }
+ 
  echo "Appending code from $file to $SELF_REAL"
  [[ -f "$file" && "$line" != "" ]] && ext_insert "$file" $line
 }
 
 _external-add () {
- local origin name tmpfile offset
+ local origin name tmpfile offset errmsg
+ 
+ errmsg="Missing parameter(s). 
+Usage: $(_help-on external-add)
+ "
+ 
+ [[ $# -eq 0 ]] && { die "$errmsg"; }
+
  origin=$1
  [[ -f $origin ]] && origin=$( readlink -f $origin )
  name=$( basename $origin )
@@ -265,6 +298,12 @@ _external-update () {
  local ext=$1
  local origin
 
+ local errmsg="Missing parameter(s). 
+Usage: $(_help-on external-update)
+ "
+ 
+ [[ $# -eq 0 ]] && { die "$errmsg"; }
+
  if ext_begins $ext > /dev/null && ext_ends $ext > /dev/null ; then
   origin=$( ext_origin $ext )
   [[ ! -z "$2" ]] && origin=$2