A generalization of previous patterns and tips.

'''Motivation:'''

Every script must have certain functionality like a help option or an edit option. How incorporate those functionalities without add complexity and extra work to the script?

'''Solution:'''

Create a script that hold the functionality needed to add extra options to new scripts. Then, in every new script call that script for added functionalities.

Create a file named paramPattern.sh containing:

  scriptPath=`type $1 | awk '{ print $3 }' `
  case $2 in
  -edit)
		${EDITOR:-vi} $scriptPath
		exit 1
		;;
  -help)
		sed -n '/^##/s/^## //p' $scriptPath
		exit 2
		;;
  esac
  exit 0
In existing or new scripts insert:
  paramPattern $0 $1 ||
	exit 1
  ...
-- GabrielGasparolo (mailto:ggasp@hotmail.com)
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See also: OptionParsingInShell
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CategoryUnixShellPattern