[sane-devel] Sane and scanbd

Olaf Meeuwissen paddy-hack at member.fsf.org
Wed Aug 28 11:58:23 BST 2019

Mikhail Novosyolov writes:

> 23 августа 2019 г. 4:56:34 GMT+03:00, Brian <bcdown84 at gmail.com> пишет:
>>If there are any contributors to the project here, firstly I would like
>>to say thanks!
>>I hope someone can help with my problem…
>>When I setup scanbd to run a script with the following command, the
>>scanner isn’t found:
>>sh /home/pi/scripts/scanconvert.sh &
>>When I run SCAN.SH myself – no problem.
>>If I put the commands from scanconvert.sh into scan.sh – no problem
>>As soon as I pass the job of scanning to the background task using &,
>>the scanimage command can’t see the scanner.
>>Thank you,
> I did not understand the problem, but are you sure that scanconvert.sh
> is compatible with POSIX shell and has no bashisms? /bin/sh is not
> bash in Debian.

I believe the other person already found a work-around/fix but your
comment is actually something that many people "forget" (or are not
even aware of to begin with).

You can install the devscripts package on Debian(-derivates) and use
the checkbashisms utility to find issues in your scripts.

For the lazy, replacing /bin/sh with /bin/bash should to care of your

Hope this helps,
Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
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