Bash script template

Description

This script create a starter bash script with a main function and set the execute bit flag.

Source

#!/usr/bin/env bash
# Create hello world bash script from template and set x flag

main() {
  local newfile="${1:?Specify file}"

  [[ -f "${newfile}" ]] && {
    echo "File already exist"
    exit 1
  }

  cat <<-EOF >"${newfile}"
	#!/usr/bin/env bash

	main() {
	  echo hello world
	}

	main "\$@"
	EOF

  chmod +x "${newfile}"
  echo "${newfile}"
}

main "$@"

Instructions

• Create a new file with your favorite editor
• Paste the source and save it as touchx
• Set the executable flag: chmod +x touchx

Usage

To create and edit a new script in the same command

$EDITOR "$(touchx mynewscript)"

Note: The EDITOR environment variable specifies the default text editor used by command-line programs. If not set consult your shell manual or replace $EDITOR with the name of your favorite editor.

Links

Bash Reference Manual