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UGU: Unix Guru Universe - Unix Tip #4365- February 22, 2018 - Home : Help : Today's Tip
Unix Tip #4365- February 22, 2018

REMOVING CONTROL CHARACTERS


Have you ever faced problem of removing
Control Characters from Multiple Files,

Here is the solution create script file
with following entries,

vi -c "%s/^M//g" -c "wq" junk1.c
vi -c "%s/^M//g" -c "wq" junk2.c
vi -c "%s/^M//g" -c "wq" junk3.c
vi -c "%s/^M//g" -c "wq" junk4.c
vi -c "%s/^M//g" -c "wq" junk5.c
vi -c "%s/^M//g" -c "wq" junk6.c


If the filename of this script file
is "xyz":

#./xyz

This will remove the control characters(^M)
from all the files junk1.c ... junk6.c

To create ^M = Holding the control
press 'v' & 'm'.

To create ^H = Holding the control press
'v' & 'h'.


This tip generously supported by: srikanbn@miel.mot.com



NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted by various unix admins around the globe. UGU suggest you read and test each tip in a non-volitile environment before placing into production.


LAST 5 TIPS
4364 - GZIP ZNEW AND COMPRESS
4363 - QUICKLY FINDING SUN MEMORY
4362 - VALUE OF LAST PARAMETER
4361 - INSERT A LINE
4360 - FINDING CORE FILES


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