FunctX XQuery Function Library > Strings > Statistics >

functx:max-line-length

The maximum line length

Description

The functx:max-line-length function counts the number of characters in each line, and returns the maximum. It uses carriage return and/or newline characters to determine the end of a line. It is useful for determining the amount of space a fixed-format string will take up on, for example, a web page.

Arguments and Return Type

XQuery Function Declaration

declare namespace functx = "http://www.functx.com";
declare function functx:max-line-length
  ( $arg as xs:string? )  as xs:integer {

   max(
     for $line in functx:lines($arg)
     return string-length($line))
 } ;

Examples

'a
value
on several
lines'

functx:max-line-length('a value')

7

functx:max-line-length($lines)

10

Depends On

See Also

History