stringReduce

This function iterates over every character in the string and executes the callback function to reduce the string to a single value.

stringReduce(string,callback,initialValue) → returns string

string.reduce(callback, initialValue)

Argument Reference

Original input string.

Closure or a function reference.

Initial value for the reduce operation.

Version 6+ This function will be added in Lucee 6. It is similar to other reduce functions, like arrayReduce().

Hidden Gems In ColdFusion 2021 - Presentation by Charlie Arehart
Lucee - LDEV-3160 Ticket to add stringReduce - Lucee ticket to add function in Lucee 6.

Reduce the string to a single value.

letters="abcdef";
closure=function(inp1,inp2){return inp1 & inp2;}
writeOutput( StringReduce(letters,closure,"z") );

Expected Result: zabcdef

Reduce the string to a single value.

letters="abcdef";
closure=function(inp1,inp2){return inp1 & inp2;}
writeOutput( letters.reduce(closure,"z") );

Expected Result: zabcdef

Signup for cfbreak to stay updated on the latest news from the ColdFusion / CFML community. One email, every friday.

Fork me on GitHub