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From: | Allen S. Rout |
Subject: | Re: [O] Not overwriting unchanged source code files when tangling |
Date: | Tue, 22 Nov 2011 16:17:13 -0500 |
User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.23) Gecko/20110922 Lightning/1.0b2 Thunderbird/3.1.15 |
On 11/19/2011 01:32 PM, Holger Hoefling wrote:
Hi everyone, I wanted to thank everyone for their helpful suggestions and wanted to share the best solutions I heard of and found. One solution is to include a rule in the makefile for every sourcecode file that that copies it and only updates the copy if something has changed (see Nick's email below).
Or tangle to one directory, and then copy to another; then there's one rule for all of the transitions.
work/%: tangle/% @cmp --silent $< $@ || ( echo "Updating $@" ; cp $< $@ ) I liked Nick's "cmp" invocation; I started out with diff. :) - Allen S. Rout
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