gitopen function

gitopen

function gitopen() {
    if [ -z $1 ]; then # Open all changed files
        eval "$EDITOR \$(git status --porcelain --untracked-files=all | sed -re 's/^.+\s//')"
    else # All files changed in the last number of specified commits
        eval "$EDITOR \$(git show -$1 --name-only --oneline | sed -re '/^.*[0-9]+.*/d')"
    fi
}