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How to cut and concat in KSH... pls help....

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  #1  
Old September 30th, 2004, 08:58 PM
jun_moti jun_moti is offline
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How to cut and concat in KSH... pls help....
I was tasked to get the first 8 and last 18 characters of each line of a file... then concat the two strings in a file.... pls help... the source file is .dat...... tnx....

-jun
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  #2  
Old September 30th, 2004, 11:05 PM
guggach guggach is offline
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sed 's/^\(.\{8\}\).*\(.\{18\}\)$/\1\2/' input > outup
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Old October 1st, 2004, 02:28 AM
jun_moti jun_moti is offline
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Quote:
Originally Posted by guggach
sed 's/^\(.\{8\}\).*\(.\{18\}\)$/\1\2/' input > outup


i have this example

abcdefghijk....................123456789011121315
lmnopqrstu.....................513121110987654321

the output on the file should be

abcdefgh123456789011121315
lmnopqrs513121110987654321

I tried to run the command but its copying the whole string.... m not a unix guy... pls bare with me.... tnx
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Old October 1st, 2004, 04:11 AM
guggach guggach is offline
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exactly what that sed does.
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Old October 3rd, 2004, 10:24 PM
jun_moti jun_moti is offline
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Quote:
Originally Posted by guggach
exactly what that sed does.


tnx guggach.... I was having a server problem that is why the command was not performing properly.... till next time... -jun
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Old October 6th, 2004, 03:53 AM
Muthukumar_K Muthukumar_K is offline
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We can do this with awk command too as,

awk '{ print substr($1,1,8)substr($1,length($1)-18,length($1)) }' file

Example:

# echo "abcdefghijk....................123456789011121315" | awk '{ print substr($1,1,8)substr($1,length($1)-18,length($1)) }'
abcdefgh.123456789011121315


Regards
Muthukumar
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