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From: Emanuel Berg <moasen@zoho.com>
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Subject: Re: How to do a massive unfill paragraph operation over several
	hundred files?
Date: Sat, 29 Sep 2018 13:32:48 +0200
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Gerald Wildgruber wrote:

> MY QUESTION: What would be a good way to
> AUTOMATE such an unfill operation, removing all
> line breaks from all paragraphs over a large
> number of files?

Script to insert a string into files
1, 2, and 3:

    #! /bin/zsh

    local script=do-this.el

    emacs -Q --batch --script $script 1 2 3

Elisp to do it:

    ;; do-this.el

    (dolist (f argv)
      (find-file f)
      (insert "Sail Ho!") ; do your thing here
      (save-buffer) )

-- 
underground experts united
http://user.it.uu.se/~embe8573