Andreas Florath 8849712178 Use 'output' function instead of 'echo' for statistics log ... In bash the only sensible way of returning a string from functions or scripts is via stdout. dib-run-parts not only 'returned' the output of the called scripts but also some statistics / performance output. Other parts of the script already used an 'output' function so the statistics output was adapted to also use this kind of function. In addition three simple test cases are implemented to check the basic functions of the script. As a result the log-output of the dib-run-parts is somewhat cleaner. It also makes debugging of the called scripts easier. This change is the precondition for simplification of functions like diskimage-builder's eval_run_d. Change-Id: Ie2f0332359a72ca7ab03f94b7573e073df714a97 Signed-off-by: Andreas Florath <andreas@florath.net>		2016-06-02 12:09:43 +10:00
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set_var.bash	Use 'output' function instead of 'echo' for statistics log	2016-06-02 12:09:43 +10:00