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From: Deri <deri@chuzzlewit.myzen.co.uk>
To: linux-man@vger.kernel.org, Alejandro Colomar <alx@kernel.org>
Cc: groff@gnu.org
Subject: Re: Optimize script for generating LinuxManBook.pdf
Date: Wed, 22 Nov 2023 17:33:52 +0000
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On Wednesday, 22 November 2023 14:58:56 GMT Alejandro Colomar wrote:
> Hi Deri,
>=20
> I've optimized from 18.5 s down to 16.3 s the script, by splitting the
> pipeline with this wrapper (and slightly reducing the perl script to
> just print the pages to stdout).  BTW, now it can be run from any
> directory.  And every step can be debugged by just introducing
>=20
> | tee /dev/tty \
>=20
> wherever you want to debug.  It's all pushed to master.
>=20
> The PDF is now printed to stdout, to avoid hard-coding file names.
>=20
> I still need to split a bit more and reduce the longest lines.  How does
> this script look to you?
>=20
> Cheers,
> Alex :-)
>=20
>=20
> $ cat scripts/LinuxManBook/build_linux_man_book.sh
> #!/bin/sh
> # Copyright 2023, Alejandro Colomar <alx@kernel.org>
> # SPDX-License-Identifier: GPL-3.0-or-later
>=20
> (
> 	"$(dirname "$0")"/prepare_linux_man_book.pl "$1" \
>=20
> 	| groff -z -dPDF.EXPORT=3D1 -dLABEL.REFS=3D1 -dpaper=3Da4 -Tpdf -k -pet \
>=20
> 		-M"$(dirname "$0")" -mandoc -manmark \
> 		-F"$(dirname "$0")" -P-pa4 \-rC1 -rCHECKSTYLE=3D3 2>&1 \
>=20
> 	| LC_ALL=3DC grep '^\. *ds ';
>=20
> 	"$(dirname "$0")"/prepare_linux_man_book.pl "$1";
> ) \
>=20
> | preconv \
> | tbl \
> | eqn -Tpdf \
> | (
>=20
> 	troff -Tpdf -ms <"$(dirname "$0")"/LMBfront.ms;
> 	troff -Tpdf -M"$(dirname "$0")" -mandoc -manmark \
> 		-F"$(dirname "$0")" -dpaper=3Da4;
> ) \
>=20
> | gropdf -F"$(dirname "$0")" -pa4;

Hi Alex,

Is there a git address I can clone to see the changes "in the round=E2=80=
=9D and give=20
it a go?

Cheers=20

Deri