sed changes by column Post: 302487140

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Is there way to use sed to change only one occurence in a colon separated line? I would like to change a file from *:*:rex:rex *:*:simon:rex to *:*:rex:mabry *:*:simon:rex

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$ cat log.txt Name Age Sex Lcation nfld alias xsd CC 25 M XYZ asx KK Y BB 21 F XAS awe SS N SD 21 M AQW rty SD A How can I replace the column with header "Lcation" with the column with header "alias" and delete the "alias" column? so that the final output will become: Name Age Sex...

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FILE A: 9780743551526,(Abridged) 9780743551779,(Unabridged) 9780743582469,(Abridged) 9780743582483,(Unabridged) 9780743563468,(Abridged) 9780743563475,(Unabridged) FILE B: c3saCandyland 9780743518321 "CANDYLAND" "MCBAIN, ED" 2001 c3sbCandyland 9780743518321 ...

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Hi All , I am having an input file as stated below Input file 6 ddk/djhdj/djhdj/Q 10 0.5 dhd/jdjd.djd.nd/QB 01 0.5 hdhd/jd/jd/jdj/Q 10 0.5 512 hd/hdh/gdh/Q 01 0.5 jdjd/jd/ud/j/QB 10 0.5 HD/jsj/djd/Q 01 0.5 71 hdh/jjd/dj/jd/Q 10 0.5 ...

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putnext

putnext(9F)						   Kernel Functions for Drivers 					       putnext(9F)

NAME

       putnext - send a message to the next queue

SYNOPSIS

       #include <sys/stream.h>
       #include <sys/ddi.h>

       void putnext(queue_t *q, mblk_t *mp);

INTERFACE LEVEL

       Architecture independent level 1 (DDI/DKI).

PARAMETERS

       q     Pointer to the queue from which the message mp will be sent.

       mp    Message to be passed.

DESCRIPTION

       The putnext() function is used to pass a message to the put(9E) routine of the next queue in the stream.

RETURN VALUES

       None.

CONTEXT

       The putnext() function can be called from user, interrupt, or kernel context.

EXAMPLES

       See allocb(9F) for an example of using putnext().

SEE ALSO

       put(9E), allocb(9F), put(9F), qprocson(9F)

       Writing Device Drivers

       STREAMS Programming Guide

NOTES

       The put() and putnext() functions should be called only after qprocson() is finished.

SunOS 5.11							    16 Jan 2006 						       putnext(9F)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Change one column using sed??

Discussion started by: rexmabry

2. Shell Programming and Scripting

awk/sed column replace using column header - help

Discussion started by: jkl_jkl

3. Shell Programming and Scripting

Can SED Search By Column?

Discussion started by: Korn0474

4. Shell Programming and Scripting

Awk or Sed, fubd match in column, then edit column.

Discussion started by: glev2005