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Top Forums Shell Programming and Scripting Word boundary with awk in ksh Post 302809833 by sanzee007 on Monday 20th of May 2013 11:29:10 PM
Old 05-21-2013
Tools Word boundary with awk in ksh

Hi All,
I am searching for IP address pattern in some files which I want to replace with some characters. However when I replace the IP numbers, it also replaces other characters beyond the IP address like below-
125.29.234.18.23456->SSS.SS.SSS.SS.SSSSS

In the above example it should not replace the 23456 with the new characters. It should be-
125.29.234.18.23456->SSS.SS.SSS.SS.23456
this thing I am doing with awk in ksh. I don't know how to specify word boundary for this IP address so that only 4 numbers separated by 3 dots which form the the IP address should be replaced with the characters.

thanks in advance for the reply.
 

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kc2img(1)						      General Commands Manual							 kc2img(1)

NAME
kc2img - convert KC files to raw KC tape images SYNOPSIS
kc2img <infile> <outfile> DESCRIPTION
kc2img converts the following file types to raw KC tape images. Those files contain the data bytes as written by the KC tape routines with block number and checksum removed. So each block is saved as 128 bytes. Machine code files start with an 128 byte header (one block) that contains filename, load start address, load end address and optionally a start address whose presence is flagged by a status byte. Basic files only have a 13 byte header with filename and filesize. 1) files used by the KC emulator by Arne Fitzenreiter (usually named .TAP) 2) files used by the GEMINI-SOFT KC emulator (usually named .GPF for machine code files and .GBF for basic files) 3) BASIC files (usually named .SSS) 4) KC image files that contain the data written by the KC tape routines without block number and checksum (usually named .KCC or .KCB where the .KCB files are BASIC files with an autostart routine) BUGS
Basic files are not handled properly. SEE ALSO
kcemu(1x), kctape(1), kc2tap(1), kc2wav(1), kc2raw(1) AUTHOR
This manual page was written by Torsten Paul <Torsten.Paul@gmx.de>, for the Debian GNU/Linux system (but may be used by others). kc2img(1)
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