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Overwriting the leading spaces in NAWK

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# 1  
Old 04-07-2009
Overwriting the leading spaces in NAWK
I have a file
Code:
1  1  40421 120   18421       112h 019   6  10335 03    
1  1  40421 120   18422       124h 055   6  10335 03

I have wriiten a nawk statement
Code:
nawk '$5 ~ "18421" {sub($7,"0190"print}' old.txt

I am getting the output as
Code:
1  1  40421 120   18421       112h 0190   6  10335 03   
1  1  40421 120   18422       124h 055   6  10335 03

but i need the following output
Code:
1  1  40421 120   18421       112h 0190 6  10335 03   
1  1  40421 120   18422       124h 055  6  10335 03

The new charcter in $7 filed must replace the leading space Can anyone please help me on this
Last edited by prav076; 04-08-2009 at 02:09 AM..
# 2  
Old 04-07-2009
There is no difference between the output you are getting and the output you are expecting. Typo on your part?
# 3  
Old 04-07-2009
And please make your post more readable, use code tags for your files and code.
Select the text you want between the tags and click on the # above the edit box.

Regards
# 4  
Old 04-08-2009
I have used the code tags
# 5  
Old 04-08-2009
try this
Code:
awk '$5 ~ "18421" {sub($7" ","0190")}{print}' filename

# 6  
Old 04-08-2009
Thanks Vidyadhar for your help ,
the code is working fineSmilie
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