$len - Revision history

Daveoh at 18:00, 25 April 2008

2008-04-25T18:00:42Z

← Older revision		Revision as of 18:00, 25 April 2008
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	Returns the length of a ~~piece of text~~, i.e. ~~the number of~~ characters in it.		Returns the length of a string, i.e. how many characters are within it.

	$len(text)		$len(text)

	~~$len(test string) returns 11.~~

	$len() is a simple, but powerful tool for processing strings.		$len() is a simple, but powerful tool for processing strings.
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	== Examples ==		== Examples ==

	~~This~~ example turns uppercase letters to lowercase and vice-versa.		$len(test string) returns 11.

			The following example turns uppercase letters to lowercase and vice-versa.
	<br/>$len is used to get the length of the string (the value given to the alias) and loop through its every character.		<br/>$len is used to get the length of the string (the value given to the alias) and loop through its every character.

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	[[echo]] -a $changecase(Hello)		[[echo]] -a $changecase(Hello)
	; returns hELLO		; returns hELLO

			== See Also ==

			* [[$mid]] - returns parts of a string
			* [[$str]] - repeats a string

	[[Category:Text_and_Number_Identifiers]]		[[Category:Text_and_Number_Identifiers]]

Saturn: small changes

2005-11-10T13:50:11Z

small changes

← Older revision		Revision as of 13:50, 10 November 2005
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	Returns the length of text.		Returns the length of a piece of text, i.e. the number of characters in it.

	$len(text)		$len(text)

	$len(~~length~~) returns 6.		$len(test string) returns 11.

	$len() is simple, but powerful tool for processing strings.		$len() is a simple, but powerful tool for processing strings.

	== Examples ==		== Examples ==

Microbe: fixed grammar

2005-11-10T13:38:47Z

fixed grammar

← Older revision		Revision as of 13:38, 10 November 2005
Line 5:		Line 5:
	$len(length) returns 6.		$len(length) returns 6.

	$len() is simple, but powerful tool processing strings.		$len() is simple, but powerful tool for processing strings.

	== Examples ==		== Examples ==

	This example ~~turn~~ uppercase letters to lowercase and ~~upwards~~.		This example turns uppercase letters to lowercase and vice-versa.
	<br/>$len is used to get ~~value~~ of string (value given to alias) and loop through it every character.		<br/>$len is used to get the length of the string (the value given to the alias) and loop through its every character.

	[[Aliases\|alias]] changecase {		[[Aliases\|alias]] changecase {
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	%c = [[$mid]]($1-, %i, 1)		%c = [[$mid]]($1-, %i, 1)
	[[If-Then-Else\|if]] ([[$isupper]](%c)) {		[[If-Then-Else\|if]] ([[$isupper]](%c)) {
	%str = %str [[$+]] [[$lower]](%c)		%str = %str [[DollarPlus\|$+]] [[$lower]](%c)
	}		}
	[[If-Then-Else\|else]] {		[[If-Then-Else\|else]] {

Tovrleaf at 18:00, 24 August 2005

2005-08-24T18:00:55Z

New page

Returns the length of text.

$len(text)

$len(length) returns 6.

$len() is simple, but powerful tool processing strings.

== Examples ==

This example turn uppercase letters to lowercase and upwards.
<br/>$len is used to get value of string (value given to alias) and loop through it every character.

[[Aliases|alias]] changecase {
[[var]] %i = 1, %str, %c
[[While_loops|while]] (%i <= $len($$1-)) {
%c = [[$mid]]($1-, %i, 1)
[[If-Then-Else|if]] ([[$isupper]](%c)) {
%str = %str [[$+]] [[$lower]](%c)
}
[[If-Then-Else|else]] {
%str = %str $+ [[$upper]](%c)
}
[[inc]] %i
}
[[return]] %str
}

[[echo]] -a $changecase(Hello)
; returns hELLO
[[Category:Text_and_Number_Identifiers]]