在 2016年01月08日 16:59, Burton, Ross 写道:
On 8 January 2016 at 08:44, Yi Zhao <yi.z...@windriver.com
<mailto:yi.z...@windriver.com>> wrote:
It still need to escape quotation marks if using -F option.
Consider the following log:
[521514.737] (EE) evdev: Qemu Tablet: Unable to open evdev device
"/dev/input/touchscreen0".
We still need an extra step to replace " with \" before grep
Actually that's only true as the grep command is passed to
subproces.check_output() as a string. If it was constructed as a list
the shell wouldn't be parsing it and you wouldn't have to worry about
quoting at all.
(always pass lists instead of strings to subprocess, it makes
everything a lot easier)
Ross
Thanks, Ross.
I will test it and send the v2 patch.
Yi
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