Re: print keep original format

[lina]

I don't understand it so well.

can you help me with this issue?

On Wed, May 25, 2011 at 10:56 PM, Andreas Schwab <address@hidden> wrote:
> lina <address@hidden> writes:
>
>> if I wanna change $4 to B and print the line out
>>
>> 497  FE  HEM A  43     -12.543  18.254  -4.989  1.00  0.00
>>
>>
>> for a short awk script, such as
>>
>>
>> awk '{
>>       if($2 == 497)
>>       {
>>               $5="B"
>>               print $0
>>       }
>> }' $1
>>
>> but the output the space between them has gone. jt turned out loss the 
>> format.
>> 497 FE HEM B 43 -12.543 18.254 -4.989 1.00 0.00
>
> Setting any field causes awk to recompute $0 based on the current value
> of OFS.  If you want to avoid that you should operate on $0 directly.
>
> *Note (gawk) Changing Fields::
>
> Andreas.
>
> --
> Andreas Schwab, address@hidden
> GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
> "And now for something completely different."
>



-- 
Best Regards,

lina