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→fn:for-each-pair
<li>Line numbering:
<pre class="brush:xquery">
let $number-lines words := function($str) {
fn:string-join(
fn:for-each-pair(
1 to 1000,
tokenize($str, '\r?\n|\r+'),
concat(?, ': ', ?)
),
'&#xa;'
)
}
return $number-lineswords('hello world, how are you?')
</pre>
''Result:''
<pre class="brush:xquery">
1: hello world,how2: how are 3: you?
</pre>
</li>
