Using shflags in bash shell script to get long and short command line options

shflags
Download and extract shflags and run example hello_world.sh

# wget http://shflags.googlecode.com/files/shflags-1.0.3.tgz
# tar zxvf shflags-1.0.3.tgz
# cd shflags-1.0.3/examples/
# ./hello_world.sh --help
USAGE: ./hello_world.sh [flags] args
flags:
  -n,--name:  name to say hello to (default: 'world')
  -h,--[no]help:  show this help (default: false)
# ./hello_world.sh --name Solnone
Hello, Solnone!