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Top Forums Shell Programming and Scripting join based on line number when one file is missing lines Post 302534381 by jackiev on Monday 27th of June 2011 06:44:44 PM
Old 06-27-2011
join based on line number when one file is missing lines

I have a file that contains 87 lines, each with a set of coordinates (x & y). This file looks like:
Code:
1 200.3 -0.3
2 201.7 -0.32
...
87 200.2 -0.314

I have another file which contains data that was taken at certain of these 87 positions. i.e.:

Code:
37 125
42 175
86 142

where the first number is the line number of the coordinates in the other file. Is there a way to get an output like:

Code:
37 201.2 -0.324 125
42 200.1 -0.311 175
86 203.0 -0.35 142

where I am pulling columns 2 & 3 from the first file with 87 lines, and column 4 from the second file (in this example with 3 lines but I want to be able to do more)?

I've tried using join to do this but it doesn't bring up anything!

Thanks!
Moderator's Comments:
Mod Comment
Please use code tags when posting data and code samples!

Last edited by vgersh99; 06-27-2011 at 08:09 PM.. Reason: code tags, please!
 

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fmt(1)								   User Commands							    fmt(1)

NAME
fmt - simple text formatters SYNOPSIS
fmt [-cs] [-w width | -width] [inputfile]... DESCRIPTION
fmt is a simple text formatter that fills and joins lines to produce output lines of (up to) the number of characters specified in the -w width option. The default width is 72. fmt concatenates the inputfiles listed as arguments. If none are given, fmt formats text from the standard input. Blank lines are preserved in the output, as is the spacing between words. fmt does not fill nor split lines beginning with a `.' (dot), for compatibility with nroff(1). Nor does it fill or split a set of contiguous non-blank lines which is determined to be a mail header, the first line of which must begin with "From". Indentation is preserved in the output, and input lines with differing indentation are not joined (unless -c is used). fmt can also be used as an in-line text filter for vi(1). The vi command: !}fmt reformats the text between the cursor location and the end of the paragraph. OPTIONS
-c Crown margin mode. Preserve the indentation of the first two lines within a paragraph, and align the left margin of each subsequent line with that of the second line. This is useful for tagged paragraphs. -s Split lines only. Do not join short lines to form longer ones. This prevents sample lines of code, and other such for- matted text, from being unduly combined. -w width | -width Fill output lines to up to width columns. OPERANDS
inputfile Input file. ENVIRONMENT VARIABLES
See environ(5) for a description of the LC_CTYPE environment variable that affects the execution of fmt. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
nroff(1), vi(1), attributes(5), environ(5) NOTES
The -width option is acceptable for BSD compatibility, but it may go away in future releases. SunOS 5.11 9 May 1997 fmt(1)
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