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<div class="moz-cite-prefix">在 2016年01月08日 16:59, Burton, Ross 写道:<br>
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cite="mid:CAJTo0LYvLxSBXZ5VWzVrKzSww7xQgpX=L2_dc=ZxOOkCpzX+vA@mail.gmail.com"
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<div class="gmail_extra"><br>
<div class="gmail_quote">On 8 January 2016 at 08:44, Yi Zhao <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:yi.zhao@windriver.com" target="_blank">yi.zhao@windriver.com</a>></span>
wrote:<br>
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.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">It still need to
escape quotation marks if using -F option. <br>
Consider the following log:<br>
[521514.737] (EE) evdev: Qemu Tablet: Unable to open
evdev device "/dev/input/touchscreen0".<br>
<br>
We still need an extra step to replace " with \" before
grep</div>
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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.</div>
<div class="gmail_extra"><br>
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<div class="gmail_extra">(always pass lists instead of strings
to subprocess, it makes everything a lot easier)</div>
<div class="gmail_extra"><br>
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<div class="gmail_extra">Ross</div>
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<br>
Thanks, Ross.<br>
<br>
I will test it and send the v2 patch.<br>
<br>
Yi<br>
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