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From: "Pascal J. Bourguignon" <pjb@informatimago.com>
Newsgroups: gmane.emacs.help
Subject: Re: GURU NEEDED : break a command into several lines and comment
	each line
Date: Thu, 13 Jan 2011 23:47:23 +0100
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bolega <gnuist006@gmail.com> writes:

> Basically, I have spent a few hours experimenting and searching on the
> comp.unix.shell
>
> how to break a command with several switches into more than one line
> AND to be able to put some comment on each line.
>
> #!/bin/bash -xv
>
> command       \ # comment1
>          -sw1 \ # comment2
>          -sw2 \ # comment3
>          arguments
>
> One ought to be able to comment every single switch if desired for
> whatever reason.

Rewrite your script in clisp:

#!/usr/bin/clisp 

(ext:shell (format nil "~{~A ~}"
              "command" ; comment1
              "-sw1"    ; comment2
              "-sw2"    ; comment3
              arguments))


-- 
__Pascal Bourguignon__                     http://www.informatimago.com/
A bad day in () is better than a good day in {}.