rrdinfo -V (return code: 1)
RRDtool 1.5.5 Copyright by Tobi Oetiker
Usage: rrdinfo <filename>
ERROR: Usage: rrdtool rrdinfo [--daemon|-d <addr> [--noflush|-F]] <file>
rrdinfo --help (return code: 1)
RRDtool 1.5.5 Copyright by Tobi Oetiker
Usage: rrdinfo <filename>
ERROR: Usage: rrdtool rrdinfo [--daemon|-d <addr> [--noflush|-F]] <file>