formatNumber
Format a number using a pattern string.
number(required): number to formatpattern(optional): format pattern (e.g.,"#,##0.00")
bash
echo '{"amount": 1234567.891}' | utlx -e 'formatNumber($input.amount, "#,##0.00")'
# "1,234,567.89"utlx
{
formatted: formatNumber($input.price, "#,##0.00"),
integer: formatNumber($input.qty, "#,##0"),
percent: formatNumber($input.rate * 100, "0.0")
}