Core Function FileReadLine - Revision history

UberFoX: 1 revision

2015-06-14T12:38:07Z

1 revision

← Older revision

Revision as of 12:38, 14 June 2015

UberFoX: 1 revision

2014-08-11T21:40:29Z

1 revision

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Revision as of 21:40, 11 August 2014

UberFoX: /* Return Value */

2013-08-29T11:41:35Z

Return Value

← Older revision		Revision as of 11:41, 29 August 2013
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	Success: Returns a string		Success: Returns a string

−	Failure: Returns 0 if error occurs.	+	Failure: Returns null if error occurs.

	=== Remarks ===		=== Remarks ===

UberFoX: /* Example */

2011-11-19T14:37:14Z

Example

← Older revision		Revision as of 14:37, 19 November 2011
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	<syntaxhighlight lang="sputnik">		<syntaxhighlight lang="sputnik">
	$File = FileOpen("MyFile.txt", "r");		$File = FileOpen("MyFile.txt", "r");
−	If(~~isObj~~($File, "file"))	+	If(isVarObj($File, "file"))
	{		{
	$Line0 = FileReadLine($File, 0);		$Line0 = FileReadLine($File, 0);

UberFoX: /* Example */

2011-11-17T00:21:44Z

Example

← Older revision		Revision as of 00:21, 17 November 2011
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	<syntaxhighlight lang="sputnik">		<syntaxhighlight lang="sputnik">
−	$File = FileOpen("MyFile.txt", "r")	+	$File = FileOpen("MyFile.txt", "r");
−	If isObj($File, "file") ~~Then~~	+	If(isObj($File, "file"))
−	$Line0 = FileReadLine($File, 0)	+	{
−	$Line1 = FileReadLine($File, 1)	+	$Line0 = FileReadLine($File, 0);
−	$Line2 = FileReadLine($File, 2)	+	$Line1 = FileReadLine($File, 1);
−	println( "Line0: " . $Line0 )	+	$Line2 = FileReadLine($File, 2);
−	println( "Line1: " . $Line1 )	+	println( "Line0: " . $Line0 );
−	println( "Line2: " . $Line2 )	+	println( "Line1: " . $Line1 );
−	FileClose( $File )	+	println( "Line2: " . $Line2 );
−	~~EndIf~~	+	FileClose( $File );
		+	}
	</syntaxhighlight>		</syntaxhighlight>

Line 45:		Line 46:

	<syntaxhighlight lang="sputnik">		<syntaxhighlight lang="sputnik">
−	$Line0 = FileReadLine("MyFile.txt", 0)	+	$Line0 = FileReadLine("MyFile.txt", 0);
−	$Line1 = FileReadLine("MyFile.txt", 1)	+	$Line1 = FileReadLine("MyFile.txt", 1);
−	$Line2 = FileReadLine("MyFile.txt", 2)	+	$Line2 = FileReadLine("MyFile.txt", 2);
−	println( "Line0: " . $Line0 )	+	println( "Line0: " . $Line0 );
−	println( "Line1: " . $Line1 )	+	println( "Line1: " . $Line1 );
−	println( "Line2: " . $Line2 )	+	println( "Line2: " . $Line2 );
	</syntaxhighlight>		</syntaxhighlight>

	[[Category:Core Function]]		[[Category:Core Function]]

UberFoX: /* Remarks */

2011-11-09T10:56:00Z

Remarks

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	=== Remarks ===		=== Remarks ===

−	~~N/A~~	+	Trailing newlines "\n" and "\r" will be removed from the end of the returned string automatically.

	=== Example ===		=== Example ===

UberFoX: Created page with "

 FileReadLine( ,  )

=== Description === Read a line of text from a previously opened text file (Or specify a name of a file). === Parameters === ..."

2011-11-09T10:54:41Z

Created page with "<pre> FileReadLine( <file>, <expression> ) </pre> === Description === Read a line of text from a previously opened text file (Or specify a name of a file). === Parameters === ..."

New page

<pre>
FileReadLine( <file>, <expression> )
</pre>

=== Description ===

Read a line of text from a previously opened text file (Or specify a name of a file).

=== Parameters ===

==== file ====

A variable containing the File handle OR a name of a file to open.

==== expression ====

Optional; Line number to read default is line 0 (0 means the first line).

=== Return Value ===

Success: Returns a string

Failure: Returns 0 if error occurs.

=== Remarks ===

N/A

=== Example ===

<syntaxhighlight lang="sputnik">
$File = FileOpen("MyFile.txt", "r")
If isObj($File, "file") Then
$Line0 = FileReadLine($File, 0)
$Line1 = FileReadLine($File, 1)
$Line2 = FileReadLine($File, 2)
println( "Line0: " . $Line0 )
println( "Line1: " . $Line1 )
println( "Line2: " . $Line2 )
FileClose( $File )
EndIf
</syntaxhighlight>

Heres an example of using it directly with a text file by name :

<syntaxhighlight lang="sputnik">
$Line0 = FileReadLine("MyFile.txt", 0)
$Line1 = FileReadLine("MyFile.txt", 1)
$Line2 = FileReadLine("MyFile.txt", 2)
println( "Line0: " . $Line0 )
println( "Line1: " . $Line1 )
println( "Line2: " . $Line2 )
</syntaxhighlight>

[[Category:Core Function]]