Re: print keep original format

[Andreas Schwab]

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
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