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comm not working

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Top Forums Shell Programming and Scripting comm not working
# 8  
Old 05-06-2008
Hi, era.
Quote:
Originally Posted by era
... A good safety measure is to use an explicit locale when using commands which care about collation order.
I don't think I have noticed that problem, but it sounds like a good idea. Rather than specify it individually for each command, I'll use the set, export, and report LC_ALL in my demonstration script templates, at least for a while.

The general problem seems like it would often be masked in threads in the forum because copy / paste will not transfer non-printing characters ... cheers, drl
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LEARN ABOUT MINIX

join

JOIN(1) 						      General Commands Manual							   JOIN(1)

NAME

       join - relational database operator

SYNOPSIS

       join [-an] [-e s] [-o list] [-tc] file1 file2

DESCRIPTION

       Join  forms,  on the standard output, a join of the two relations specified by the lines of file1 and file2.  If file1 is `-', the standard
       input is used.

       File1 and file2 must be sorted in increasing ASCII collating sequence on the fields on which they are to be joined, normally the  first	in
       each line.

       There  is  one line in the output for each pair of lines in file1 and file2 that have identical join fields.  The output line normally con-
       sists of the common field, then the rest of the line from file1, then the rest of the line from file2.

       Fields are normally separated by blank, tab or newline.	In this case, multiple separators count as one, and leading  separators  are  dis-
       carded.

       These options are recognized:

       -an    In addition to the normal output, produce a line for each unpairable line in file n, where n is 1 or 2.

       -e s   Replace empty output fields by string s.

       -o list
	      Each output line comprises the fields specified in list, each element of which has the form n.m, where n is a file number and m is a
	      field number.

       -tc    Use character c as a separator (tab character).  Every appearance of c in a line is significant.

SEE ALSO

       sort(1), comm(1), awk(1).

BUGS

       With default field separation, the collating sequence is that of sort -b; with -t, the sequence is that of a plain sort.

       The conventions of join, sort, comm, uniq, look and awk(1) are wildly incongruous.

7th Edition							  April 29, 1985							   JOIN(1)