/doc/efun/process_string

SYNOPSIS

string process_string(string str)

DESCRIPTION

Searches string str for occurences of a "value by function call", which is @@ followed by an implicit function call. See "value_by_function_call" in the principles section.

The value should contain a string like this @@function[:filename][|arg|arg]@@

function must return a string or else the string which should be processed will be returned unchanged.

Note that process_string() does not recurse over returned replacement values. If a function returns another function description, that description will not be replaced.

Note that both filename and args are optional.

EXAMPLE

	string foo(string str) {
	   return "ab"+str+"ef";
	}
	void func() {
	   write(process_string("@@foo|cd@@")+"\n");
	}

The function func() will print out the string "abcdef".

BUGS

Using process_string() can lead to severe security problems.

HISTORY

Because of the security problems, process_string() is an optional efun since 3.2.1@34

SEE ALSO

notify_fail

closures

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