mpw-shell/README.md

MPW Shell

MPW Shell is a re-implementation of the Macintosh Programmer's Workshop shell. The primary reason is to support MPW Make (which generated shell script). It may also be useful for other things.

Supported features

• If ... [Else If] ... [Else] ... End
• Begin ... End
• Loop ... End
• For name In [word...] ... End
• Break [If], Continue [If]
• ( ... )
• ||
• &&
• redirection

Not supported

• pipes (|)
• subshells (..., ...)
• text-editing commands (search forward/backward, regular expressions, et cetera)

Builtin Commands

• AboutBox
• Directory
• Echo
• Exists
• Export
• Parameters
• Quote
• Set
• Unexport
• Unset
• Version
• Which

Setup

1. Install MPW. The mpw binary should be somewhere in your $PATH. It also checks /usr/local/bin/mpw and $HOME/mpw/bin/mpw
2. Copy the Startup script to $HOME/mpw/. This script is executed when mpw-shell (or mpw-make) starts up (imagine that) and should be used to set environment variables.