F$ELEMENT() - Revision history

Samk1992: /* Example */

2019-09-06T12:48:43Z

Example

← Older revision		Revision as of 12:48, 6 September 2019
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	$ EIGHTH_DAY = F$ELEMENT(7,"/",DAY_LIST) !non-existent element		$ EIGHTH_DAY = F$ELEMENT(7,"/",DAY_LIST) !non-existent element
	$ SHOW SYM EIGHTH_DAY		$ SHOW SYM EIGHTH_DAY
	EIGHTH_DAY = "/"		EIGHTH_DAY = "/"
	</nowiki>		</nowiki>

Samk1992: Corrected a typo

2019-09-05T16:14:30Z

Corrected a typo

← Older revision		Revision as of 16:14, 5 September 2019
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	'''String''' is the string containing the element.		'''String''' is the string containing the element.

	If the ~~select~~ element does not exist in the string, the delimiter character is returned.		If the selected element does not exist in the string, the delimiter character is returned.

	=Example=		=Example=

Samk1992: Added a note and example in regards to the return value when the element doesn't exist

2019-09-05T16:09:21Z

Added a note and example in regards to the return value when the element doesn't exist

← Older revision		Revision as of 16:09, 5 September 2019
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	'''Delimiter''' is the character used to delimit the elements in the string. For example, in "JAN/MAR/APR/MAY", the delimiter is "/", and in "John Doe", the delimiter is " ".		'''Delimiter''' is the character used to delimit the elements in the string. For example, in "JAN/MAR/APR/MAY", the delimiter is "/", and in "John Doe", the delimiter is " ".
	'''String''' is the string containing the element.		'''String''' is the string containing the element.

			If the select element does not exist in the string, the delimiter character is returned.

	=Example=		=Example=
	<nowiki>		<nowiki>
	$ DAY_LIST = "MON/TUE/WED/THU/FRI/SAT/SUN"		$ DAY_LIST = "MON/TUE/WED/THU/FRI/SAT/SUN"

	$ MONDAY = F$ELEMENT(0,"/",DAY_LIST)		$ MONDAY = F$ELEMENT(0,"/",DAY_LIST)
	$ SHOW SYM MONDAY		$ SHOW SYM MONDAY
	MONDAY = "MON"		MONDAY = "MON"

			$ EIGHTH_DAY = F$ELEMENT(7,"/",DAY_LIST) !non-existent element
			$ SHOW SYM EIGHTH_DAY
			EIGHTH_DAY = "/"
	</nowiki>		</nowiki>

Darya.zelenina at 05:45, 15 January 2019

2019-01-15T05:45:54Z

← Older revision		Revision as of 05:45, 15 January 2019
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	* [[F$EXTRACT()]]		* [[F$EXTRACT()]]
	* [[F$MATCH_WILD()]]		* [[F$MATCH_WILD()]]

			[[Category: Lexical Functions]]

Darya.zelenina: Created page with "'''F$ELEMENT()''' is a lexical function that extracts one element from a string of elements. It can be used, among other things, to emulate arrays in DCL..."

2018-12-18T08:40:41Z

Created page with "'''F$ELEMENT()''' is a lexical function that extracts one element from a string of elements. It can be used, among other things, to emulate arrays in DCL..."

New page

'''F$ELEMENT()''' is a [[Lexical functions|lexical function]] that extracts one element from a string of elements. It can be used, among other things, to emulate arrays in DCL.

=Format=
F$ELEMENT(element-number, delimiter, string)

'''Element numbers''' range from 0 to F$LENGTH(string).
'''Delimiter''' is the character used to delimit the elements in the string. For example, in "JAN/MAR/APR/MAY", the delimiter is "/", and in "John Doe", the delimiter is " ".
'''String''' is the string containing the element.

=Example=
<nowiki>
$ DAY_LIST = "MON/TUE/WED/THU/FRI/SAT/SUN"
$ MONDAY = F$ELEMENT(0,"/",DAY_LIST)
$ SHOW SYM MONDAY
MONDAY = "MON"
</nowiki>

=See also=
* [[F$EDIT()]]
* [[F$LOCATE()]]
* [[F$EXTRACT()]]
* [[F$MATCH_WILD()]]