Added new function to print out the help.

LICENSE

@@ -0,0 +1,22 @@
+# Copyright (c) 2010, Huy Nguyen, http://www.huyng.com
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification, are permitted provided 
+# that the following conditions are met:
+# 
+#     * Redistributions of source code must retain the above copyright notice, this list of conditions 
+#       and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
+#       following disclaimer in the documentation and/or other materials provided with the distribution.
+#     * Neither the name of Huy Nguyen nor the names of contributors
+#       may be used to endorse or promote products derived from this software without 
+#       specific prior written permission.
+#       
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+# POSSIBILITY OF SUCH DAMAGE.

Makefile

@@ -1,7 +1,7 @@
 INSTALL_DIR=~/.local/bin
 
 all:
-	@echo "Pleas run 'make install'"
+	@echo "Please run 'make install'"
 
 install:
 	@echo ""

bashmarks.sh

@@ -38,6 +38,9 @@ if [ ! -n "$SDIRS" ]; then
 fi
 touch $SDIRS
 
+RED="0;31m"
+GREEN="0;33m"
+
 # save current directory to bookmarks
 function s {
     check_help $1
@@ -53,7 +56,14 @@ function s {
 function g {
     check_help $1
     source $SDIRS
-    cd "$(eval $(echo echo $(echo \$DIR_$1)))"
+    target="$(eval $(echo echo $(echo \$DIR_$1)))"
+    if [ -d "$target" ]; then
+        cd "$target"
+    elif [ ! -n "$target" ]; then
+        echo -e "\033[${RED}WARNING: '${1}' bashmark does not exist\033[00m"
+    else
+        echo -e "\033[${RED}WARNING: '${target}' does not exist\033[00m"
+    fi
 }
 
 # print bookmark
@@ -73,6 +83,11 @@ function d {
     fi
 }
 
+# print out the help
+function h {
+    check_help "-h"
+}
+
 # print out help for the forgetful
 function check_help {
     if [ "$1" = "-h" ] || [ "$1" = "-help" ] || [ "$1" = "--help" ] ; then
@@ -82,6 +97,7 @@ function check_help {
         echo 'p <bookmark_name> - Prints the directory associated with "bookmark_name"'
         echo 'd <bookmark_name> - Deletes the bookmark'
         echo 'l                 - Lists all available bookmarks'
+        echo 'h                 - Shows this help'
         kill -SIGINT $$
     fi
 }
@@ -92,7 +108,7 @@ function l {
     source $SDIRS
 
     # if color output is not working for you, comment out the line below '\033[1;32m' == "red"
-    env | sort | awk '/DIR_.+/{split(substr($0,5),parts,"="); printf("\033[1;31m%-20s\033[0m %s\n", parts[1], parts[2]);}'
+    env | sort | awk '/DIR_.+/{split(substr($0,5),parts,"="); printf("\033[0;33m%-20s\033[0m %s\n", parts[1], parts[2]);}'
 
     # uncomment this line if color output is not working with the line above
     # env | grep "^DIR_" | cut -c5- | sort |grep "^.*="