awk -- print combinations for 2 cols Post: 302505683

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Printing all combinations : Awk

$ cat key.txt #ID1 Start 1|AA1 2|AA2 3|AA3 4|AA4 #ID1 Complete #ID2 Start 1|BB1 2|BB2 3|BB3 #ID2 Complete I was required this output: AA1|BB1 AA1|BB2 AA1|BB3

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Dear all I have a large file w. ~ 10 million lines. The first two cols have matching partners. For example: A A A B B B or A A B A B B The matches may be separated by an unknown number of lines. My intention is to group them and add a "group" value in the last col. For...

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LEARN ABOUT OSX

ucblinks

ucblinks(1B)					     SunOS/BSD Compatibility Package Commands					      ucblinks(1B)

NAME

       ucblinks - adds /dev entries to give SunOS 4.x compatible names to SunOS 5.x devices

SYNOPSIS

       /usr/ucb/ucblinks [-e rulebase] [-r rootdir]

DESCRIPTION

       ucblinks  creates symbolic links under the /dev directory for devices whose SunOS 5.x names differ from their SunOS 4.x names. Where possi-
       ble, these symbolic links point to the device's SunOS 5.x name rather than to the actual /devices entry.

       ucblinks does not remove unneeded compatibility links; these must be removed by hand.

       ucblinks should be called each time the system is reconfiguration-booted, after any new SunOS 5.x links that are needed have been  created,
       since the reconfiguration may have resulted in more compatibility names being needed.

       In  releases prior to SunOS 5.4, ucblinks used a  nawk rule-base to construct the SunOS 4.x compatible names. ucblinks no longer uses  nawk
       for the default operation, although  nawk rule-bases can still be specifed with the -e option.  The  nawk rule-base equivalent to the SunOS
       5.4 default operation can be found in /usr/ucblib/ucblinks.awk.

OPTIONS

       -e rulebase     Specify rulebase as the file containing nawk(1) pattern-action statements.

       -r rootdir      Specify rootdir as the directory under which dev and devices will be found, rather than the standard root directory /.

FILES

       /usr/ucblib/ucblinks.awk        sample rule-base for compatibility links

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       devlinks(1M), disks(1M), ports(1M), tapes(1M), attributes(5)

SunOS 5.10							    13 Apr 1994 						      ucblinks(1B)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Awk execution with more combinations..

Discussion started by: mitte_dino

2. Shell Programming and Scripting

awk - print formatted without knowing no of cols

Discussion started by: bistru

3. Shell Programming and Scripting

Printing all combinations : Awk

Discussion started by: jkl_jkl

4. Shell Programming and Scripting

Grouping matches by cols

Discussion started by: gbalsu