testcases/lib/test.sh: Added ROD_SILENT() and ROD()

Function ROD_SILENT() added into LTP test interface:
	ROD_SILENT command arg1 arg2 ...

	instead of

	command arg1 arg2 ... > /dev/null 2>&1
	if [ $? -ne 0 ]; then
		tst_brkm TBROK "..."
	fi

Function ROD() added into LTP test interface:
	ROD command arg1 arg2 ... > redirect_output

	instead of

	ROD arg1 arg2 ... > redirect_output
	if [ $? -ne 0 ]; then
		tst_brkm TBROK "..."
	fi

Signed-off-by: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
Acked-by: Cyril Hrubis <chrubis@suse.cz>
1 file changed