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Text Files

Discuss Text Files in the General Programming Help forum on Dev Articles.
Text Files General Programming Help forum discussing Perl, Python, Scripting and/or any languages that do not fit into any of the categories above.

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  #1  
Old May 27th, 2003, 12:36 PM
joegilmore joegilmore is offline
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Text Files
I have two text files (A.txt and B.txt) which I can add lines text too using a php script so that the text file is as follows:

Line 1 Line A
Line 2 Line B
Line 3 Line C
Line 4 Line D
etc, etc...

(The form for the page is: voyager.csd.anglia.ac.uk/~med00jpg/ds/ds.php)

I've added a text input on the form, and want to be able to delete specific line numbers. (If I input 12 in the form and submit it then lines 12 on both the text files get deleted)

How can I do this in php?
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  #2  
Old June 8th, 2003, 02:14 PM
FrankieShakes FrankieShakes is offline
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Any luck with this yet, Joe?

I'll look into it... I have a feeling the best way would be to use regular expressions...

If anyone else has a suggestion or better method, please feel free to post!
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  #3  
Old June 8th, 2003, 03:34 PM
Taelo Taelo is offline
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try something like this
PHP Code:
 $data = file("file.txt");
$size = @filesize("file.txt");
$data[11] = ( bool )false;
$data_scalar = implode( '', $data ); 


replace $data[11] with the line # or
PHP Code:
 $line = $_POST['line'];
$data[$line] = ( bool )false; 


hope this helps
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