[Bug 113789] Re: servicemenue convert images has problems with dots in pathnames

[Luke Plant]

To continue from above, it is clear that the bug is not in the regex,
but in how KDE parses and uses the Exec line. So far I've tracked
execution of these command lines to these files:

http://lxr.kde.org/source/KDE/kdelibs/kio/kio/krun.cpp?v=3.5-branch#363
http://lxr.kde.org/source/KDE/kdelibs/kdecore/kmacroexpander.cpp?v=3.5-branch#100

My guess is the problem is in the latter, something to do with how the
line is being quoted, which is not at all trivial to understand.  If you
change the exec line to this:

Exec=convert %f "`stripextension %f`.jpg"

where stripextension is a bash script:

#!/bin/sh
echo $1 | perl -pe 's/\.[^.]+$//'

...it works as expected.  However, the following version of
stripextension is more robust, and will work if the path contains dots
but the file has no extension at all.

#!/bin/sh
echo -n $1 | perl -pe 's/\.[^.\/]+$//'

(there is obviously a better way of writing 'stripextension' as a
straight perl script)

In short, there *is* a bug in the regex (for the case where the filename
has no extension), but the original bug here is to do with how the Exec
line is being parsed.

-- 
servicemenue convert images has problems with dots in pathnames
https://bugs.launchpad.net/bugs/113789
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