[tex-k] CTANGLE cannot find file if CWEBINPUTS environment variable is set

Andreas Scherer andreas_tex at freenet.de
Fri Jun 5 22:18:44 CEST 2020

Hi, Igor,

> $ export CWEBINPUTS=/home/user/cweb
> $ /usr/bin/ctangle prog
> ! Cannot open input file prog.w(That was a fatal error, my friend.)

What is the output of 'pwd' in this situation?

> BTW, what is "tts" extension?

"ttp" stands for "Tangle TemPorary output" (and there's "Weave
TemPorary" as well).  As long as these files aren't left over, all is fine.


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