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TWIMC:
I recently did a fresh install of Cygwin on a fresh install of Win2K (my HD blew a gasket L …). Once the dust settled, I tried to issue the following command:
perldoc perldoc
I was quite surprised to see that it didn’t work. I received the following error message:
$ perldoc perldoc Error in tempfile() using /XXXXXXXXXX: Parent directory (/) is not writable at /usr/bin/perldoc line 564
After hunting around for half a day, I got it cornered in the /usr/lib/perl5/5.8.0/File/Spec/cygwin.pm where the code makes an assumption that the TMPDIR environment variable points to a directory with write permission. I’ll post a bug on the Perl site, but it seems this is a Cygwin setup problem as well…
A number of Unix ports assume TMPDIR points to an existing directory with full access to create/delete/read/write files and directories (e.g. Perl). Shouldn’t the Cygwin setup ensure this is a valid assumption?
Easy fixes might be to simply set TMPDIR to $TEMP or $TMP, which appear to be defined as part of the regular Win2K installation, or hard code it to “/tmp” since that directory seems to be created as part of the Cygwin install. (IMHO, the best would be to mount $TEMP as /tmp, and setenv TMPDIR=/tmp).
Either way, the temp directory should grant full r/w/m permission to all users for that directory (chmod 777 /tmp). BTW, I tried the chmod fix, and it didn’t seem to stick. The only way I could really change the permission was to use the Security tab on the folder Properties dialog.
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