grap version (return code: 0)
Can't open version No such file or directory
grap --help (return code: 5)
Usage: grap [-d defines] [-h|-l|-D|-V|-v|-u|-C|-S] [-M path] [files]
-h print this list and exit (also --help)
-C compatibility mode
-c default to not clipping lines
-d use given defines file
-D use no defines file
-l use no defines file
-R use coarse numeric comparisons (default)
-r use fine numeric comparisons
-v print version and exit (also --version)
-V print parse debugging information
-u force graph labels to be unaligned by default
-M specify search path for files
-S safer mode, no internal user sprintf calls
Fine comparsion limit: 2.22045e-16
Fine minimum value: 2.22507e-308
Coarse comparsion limit: 1e-06
Coarse minimum value: 1e-06
Defines are in /usr/share/grap/grap.defines
See the man page for more information.
Documentation in /usr/share/doc/grap
Examples in /usr/share/doc/grap/examples