webdevel/getopts.md

## getopts.md

      
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              getopts.md
            
          
    GetOpts Example

Shell script example of using GetOpts with Git Submodule.
#!/bin/sh

REMOTE=origin
BRANCH=dev

showHelp()
{
cat << EOF

Pull in the latest changes from remote branch.

Usage: $(basename $0) [OPTIONS]

OPTIONS:
  -h    Show this help message
  -b    Branch name (default: $BRANCH)
  -r    Remote alias (default: $REMOTE)

EOF
}

while getopts "hr:b:" option; do
    case $option in
        r)
            REMOTE=$OPTARG
            ;;
        b)
            BRANCH=$OPTARG
            ;;
        h)
            showHelp
            exit
            ;;
    esac
done

git pull $REMOTE $BRANCH
git submodule foreach git pull $REMOTE $BRANCH