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tools: add some extra help output about the expected input data

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2016-11-14 16:50:55 +10:00
parent 86ead3a6ad
commit d1d3ea4d06
1 changed files with 3 additions and 0 deletions
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3
tools/ptraccel-debug.c
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@ -182,6 +182,9 @@ usage(void)
"If stdin is a pipe, mode defaults to 'sequence' and the pipe is read \n"
"for delta coordinates\n"
"\n"
"Delta coordinates passed into this tool must be in dpi as\n"
"specified by the --dpi argument\n"
"\n"
"Output best viewed with gnuplot. See output for gnuplot commands\n");
}