Remove double square bracket. [[ is a bash or ksh built-in, and cannot be used...
Remove double square bracket. [[ is a bash or ksh built-in, and cannot be used in a #!/bin/sh script. Signed-off-by:Robert Langhammer <rlanghammer@web.de> Reviewed-by:
Tim Niemeyer <tim@tn-x.org> Reviewed-by:
Adrian Schmutzler <freifunk@adrianschmutzler.de>
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