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Revision 1.10 by greg, Thu Sep 5 17:53:22 2013 UTC vs.
Revision 1.13 by greg, Tue Oct 10 16:10:14 2017 UTC

# Line 23 | Line 23 | rcalc - record calculator
23   ][
24   .B "\-o format"
25   ][
26 + .B "\-in M"
27 + ][
28 + .B "\-on M"
29 + ][
30   .B "\-f source"
31   ][
32   .B "\-e expr"
# Line 92 | Line 96 | With both input and output formats, the passive mode c
96   effectively substitute information in the middle of a file
97   or stream without affecting the rest of the data.
98   .PP
99 + If a
100 + .I \-in
101 + option is given with a positive integer argument,
102 + .I rcalc
103 + will stop processing input once it has loaded this number of records.
104 + Similarly, if a
105 + .I \-on
106 + option is present,
107 + .I rcalc
108 + will stop after producing this many records, which may be a smaller
109 + number if the
110 + .I cond
111 + variable is used.
112 + If multiple input files are given, these counts are continuous over
113 + the input and do not reset on each file.
114 + .PP
115   The variable and function definitions in each
116   .I \-f source
117 < file are read and compiled.
117 > file are read and compiled from the RADIANCE library where it is found.
118   The
119   .I \-e expr
120   option can be used to define variables on the command line.
# Line 235 | Line 255 | are evaluated.
255   This provides a convenient method for avoiding inappropriate calculations.
256   The following library of pre-defined functions and variables is provided:
257   .TP 10n
258 < .BR \$N
258 > .BR $N
259   Return the value for input column
260   .I N.
261   If an input format is given, using a channel number generates an error.
# Line 305 | Line 325 | To print the square root of column two in column one,
325   and column one times column three in column two:
326   .IP "" .2i
327   rcalc \-e '$1=sqrt($2);$2=$1*$3' inputfile > outputfile
328 + .SH ENVIRONMENT
329 + RAYPATH         the directories to check for auxiliary files.
330   .SH AUTHOR
331   Greg Ward
332   .SH BUGS

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