LDP/LDP/guide/docbook/abs-guide/behead.sh

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#! /bin/sh
# Strips off the header from a mail/News message i.e. till the first
#+ empty line.
# Author: Mark Moraes, University of Toronto
# ==> These comments added by author of this document.
if [ $# -eq 0 ]; then
# ==> If no command-line args present, then works on file redirected to stdin.
sed -e '1,/^$/d' -e '/^[ ]*$/d'
# --> Delete empty lines and all lines until
# --> first one beginning with white space.
else
# ==> If command-line args present, then work on files named.
for i do
sed -e '1,/^$/d' -e '/^[ ]*$/d' $i
# --> Ditto, as above.
done
fi
exit
# ==> Exercise: Add error checking and other options.
# ==>
# ==> Note that the small sed script repeats, except for the arg passed.
# ==> Does it make sense to embed it in a function? Why or why not?
/*
* Copyright University of Toronto 1988, 1989.
* Written by Mark Moraes
*
* Permission is granted to anyone to use this software for any purpose on
* any computer system, and to alter it and redistribute it freely, subject
* to the following restrictions:
*
* 1. The author and the University of Toronto are not responsible
* for the consequences of use of this software, no matter how awful,
* even if they arise from flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits must appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits must appear in the documentation.
*
* 4. This notice may not be removed or altered.
*/