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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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> |
the given 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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+ |
Note that there is no space between this option and its argument. |
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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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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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+ |
For anything other than EOL-separated input, the default tab separator |
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+ |
is reset to the empty string. |
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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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> |
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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> |
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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> |
rlam \-id3 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" |
