Strange echo behaviour
jacmet at sunsite.dk
Wed Jan 26 18:32:14 UTC 2011
>>>>> "Baruch" == Baruch Siach <baruch at tkos.co.il> writes:
>> Perhaps your command should properly be:
>> echo 56 | dd obs=3 >/sys/class/gpio/export
>> given that you're talking to an inflexible 'device'?
Baruch> This makes the script much less readable. Isn't it reasonable
Baruch> to expect echo not to retry a failed IO operation?
Yes, I would certainly say so. The advantage of sysfs over ioctl's and
similar interfaces that you can access it using echo and cat shouldn't
be that hard to handle.
Bye, Peter Korsgaard
More information about the busybox