[libvirt] [PATCH] tests: Use system() for test-wrap-argv.pl

[Sascha Silbe]

Dear Cole,

Cole Robinson <crobinso at redhat.com> writes:

[tests/testutils.c:virTestRewrapFile()]
> +    /* The 'echo' syntax lets us read and write the file in one shot */
> +    if (virAsprintf(&cmd, "echo \"$(%s/test-wrap-argv.pl %s)\" > %s",
> +                    abs_srcdir, filename, filename) < 0)
> +        return -1;
[...]
> +    return system(cmd);

Doesn't the shell truncate the file before test-wrap-argv.pl gets a
chance to read the original content?

Sascha
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