I have a requirement that i want to check if a column is float or not. If its a float then do nothing else concatenate with .00.File:2017 47.0000 0.783333 0.25001663 1920.0000 32 8.0000Expected output:2017 47.0000 0.783333 0.25001663 1920.0000 32.00 8.0000Command:awk -F  '{if ($9==^[0-9]) {print  $1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$7$8} else {print  $1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$7}}' | head -1
Check if a column is float
awk