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.\" RCSid "$Id: rlam.1,v 1.2 2005/06/13 22:40:46 greg Exp $" |
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.TH RLAM 1 7/8/97 RADIANCE |
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.SH NAME |
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rlam - laminate records from multiple files |
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.SH SYNOPSIS |
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.B rlam |
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[ |
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.B \-tS |
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][ |
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.B \-iaN |
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.B \-ifN |
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.B \-idN |
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.B \-iwN |
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] |
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input1 input2 .. |
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.SH DESCRIPTION |
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.I Rlam |
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simply joins records (or lines) from multiple inputs, separating them with |
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the given separator string (TAB by default). |
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Different separators may be given for different files by specifying |
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additional |
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.I \-t |
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options in between each file name. |
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If none of the input files uses an ASCII separator, then no end-of-line |
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character will be printed, either. |
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.PP |
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An input is either a stream or a command. |
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Commands are given in quotes, and begin with an exclamantion point ('!'). |
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If the inputs do not have the same number of lines, then |
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shorter files will stop contributing to the output as they |
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run out. |
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.PP |
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The |
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.I \-ia |
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option may be used to specify ASCII input (the default), or the |
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.I \-if |
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option may be used to indicated binary IEEE 32-bit floats on input. |
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Similarly, the |
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.I \-id |
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and |
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.I \-iw |
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options may be used to indicate binary 64-bit doubles or integer words, |
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respectively. |
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If an number is immediately follows any of these options, then it |
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indicates that multiple such values are expected for each record. |
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For example, |
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.I \-if3 |
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indicates three floats per input record for the next named input. |
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In the case of the |
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.I \-ia |
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option, no number indicates one line per input record, and numbers |
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greater than zero indicate that many characters exactly per record. |
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For binary input formts, no number implies one value per record. |
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.PP |
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A hyphen ('-') by itself can be used to indicate the standard |
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input, and may appear multiple times. |
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.SH EXAMPLE |
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To join files output1 and output2, separated by a comma: |
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.IP "" .2i |
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rlam -t, output1 output2 |
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.PP |
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To join a file with line numbers (starting at 0) and its reverse: |
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.IP "" .2i |
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cnt `wc -l < lam.c` | rlam - -t: lam.c -t\| '!tail -r lam.c' |
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.PP |
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To join four data files, each having three doubles per record: |
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.IP "" .2i |
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rlam -id3 -t file1.dbl file2.dbl file3.dbl file4.dbl > combined.dbl |
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.SH AUTHOR |
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Greg Ward |
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.SH "SEE ALSO" |
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cnt(1), histo(1), neaten(1), rcalc(1), tabfunc(1), total(1) |
