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Comparing ray/doc/man/man1/rcollate.1 (file contents):
Revision 1.2 by greg, Thu Sep 5 18:50:30 2013 UTC vs.
Revision 1.5 by greg, Fri May 30 00:00:54 2014 UTC

# Line 7 | Line 7 | rcollate - resize or transpose matrix data
7   [
8   .B \-h
9   ][
10 + .B \-w
11 + ][
12   .B \-f[afdb][N]]
13   ][
14   .B \-t
# Line 32 | Line 34 | By default, the file is assumed to include an informat
34   is copied to the standard output along with the command name, but the
35   .I \-h
36   option may be used to turn this behavior off.
37 + The
38 + .I \-w
39 + option turns off non-fatal warning messages, such as unexpected EOD.
40   .PP
41   The input format is assumed to be ASCII, with three white-space separated words
42   (typically numbers) in each record.
# Line 64 | Line 69 | Note that the lack of row separators in binary files m
69   does not actually do anything for binary files unless the transpose
70   option is given, also.
71   .PP
72 + If an input header is present, it may contain the format, number of components
73 + and matrix dimensions.
74 + In such cases, the
75 + .I \-ic,
76 + .I \-ir
77 + and
78 + .I \-f
79 + options are not required, but will be checked against the header
80 + information if provided.
81 + .PP
82   The transpose option,
83   .I \-t
84   swaps rows and columns on the input.
# Line 83 | Line 98 | For large transpose operations on Unix systems, it is
98   to specify the input file on the command line, rather than reading
99   from the standard input, since
100   .I rcollate
101 < can map the file directly into memory.
101 > can map the file directly into virtual memory.
102   .SH EXAMPLE
103   To change put 8760 color triplets per row in a matrix with no header:
104   .IP "" .2i

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