Public bug reported:
I have made slight tweaks to the w3mman2html.cgi script supplied with w3m so
that it is usable by other browsers, in particular lynx and firefox (I also use
the script with lynx under windows/cygwin). However, an un-tweaked version will
demonstrate this problem. Through Ubuntu 11.10, I was able to execute the
script in lynx using the lynxcgi protocol. In Ubuntu 12.04, the script still
works for w3m, of course, and for firefox; however, it no longer works for
lynx. In order to try to narrow down the source of the problem, I altered the
cgi script so that the command it issued wound up as:
/usr/bin/man -d apropos 2>temp.mand
(Note that this problem is not restricted to the apropos man page; all pages
show the same results.)
Comparing the temp.mand files, which I am attaching to this report, the
successful w3m run produces a 389-line log. The unsuccesful lynx version
produces a 388-line log; the first 379 are identical to w3m, followed by an
insertion:
gzip: standard input: Bad file descriptor
They then compare equal on the next line, but then 4 lines of w3m (indicating
success) are replaced with 2 lines for lynx (indicating failure). The final 5
lines of each file then compare equal. Here are the differences reported by
diff:
380d379
< gzip: standard input: Bad file descriptor
382,383c381,384
< cat-saver exited with status 1
< unlinking temporary cat
---
> cat-saver exited with status 0
> fixing temporary cat's mode
> renaming temporary cat to /var/cache/man/cat1/apropos.1.gz
> setting modtime on cat file /var/cache/man/cat1/apropos.1.gz
To get to this situation, the lynx.cfg file needs the following:
TRUSTED_LYNXCGI: /usr/lib/w3m/cgi-bin
LYNXCGI_ENVIRONMENT:PATH
LYNXCGI_ENVIRONMENT:LANG
The command to demonstrate the problem would then be:
lynx lynxcgi:/usr/lib/w3m/cgi-bin/w3mman2html.cgi?apropos
The command for w3m is: w3mman apropos
It is, of course, possible that the problem lies not with man-db but
with lynx (it seems very unlikely to be with the cgi script). However,
since man debug clearly shows a difference between the results of the
script when run under one vs. the other, I am starting by reporting it
as a man-db bug.
** Affects: man-db (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/992271
Title:
man command not working in lynxcgi script
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