Dear All,
I have input file like this.
input.txt
CE2_12-15 3950.00 589221.0 9849709.0 768.0 CE2_12_2012
CE2_12-15 3949.00 589199.0 9849721.0 768.0 CE2_12_2012
CE2_12-15 3948.00 589178.0 9849734.0 768.0 CE2_12_2012
CE2_12-52 1157.00 570361.0 9845167.0 850.9 CE2_12_2012
CE2_12-52 1158.00 570376.0 9845187.0 855.1 CE2_12_2012
CE2_12-52 1159.00 570391.0 9845207.0 859.3 CE2_12_2012
CE2_12-54 2396.00 579290.0 9854101.0 853.0 CE2_12_2012
CE2_12-54 2397.00 579305.0 9854121.0 855.0 CE2_12_2012
CE2_12-54 2398.00 579321.0 9854140.0 857.5 CE2_12_2012
....
....
....
I need to calculate 2nd column of input with different function, based on 1st column.
if colum 1st contain CE2_12-15 do (4086-$1)*2
if colum 1st contain CE2_12-52 do ($1-836)*2
if colum 1st contain CE2_12-54 do ($1-1088)*2
...
...
desired output:
output.txt
CE2_12-15 272.00 589221.0 9849709.0 768.0 CE2_12_2012
CE2_12-15 274.00 589199.0 9849721.0 768.0 CE2_12_2012
CE2_12-15 276.00 589178.0 9849734.0 768.0 CE2_12_2012
CE2_12-52 642.00 570361.0 9845167.0 850.9 CE2_12_2012
CE2_12-52 644.00 570376.0 9845187.0 855.1 CE2_12_2012
CE2_12-52 646.00 570391.0 9845207.0 859.3 CE2_12_2012
CE2_12-54 2616.00 579290.0 9854101.0 853.0 CE2_12_2012
CE2_12-54 2618.00 579305.0 9854121.0 855.0 CE2_12_2012
CE2_12-54 2620.00 579321.0 9854140.0 857.5 CE2_12_2012
....
....
....
I tried coding like this, but unsucesfull :
awk '{
if ( $1 =="CE2_12-15")
print ((4086-$1)*2)
else if ($1 =="CE2_12-52")
print (($1-846)*2)
else if ($1 =="CE2_12-54")
print (($1-1088)*2)
}' input.txt > output.txt
Thanks for advance,
Attila