Hi,
I am trying to remove duplicate lines from a file. For example the contents of example.txt is:
this is a test
2342
this is a test
34343
this is a test
43434
and i want to remove the "this is a test" lines only and end up with the numbers in the file, that is, end up with:
2342... (4 Replies)
Hi,
I need to concatenate three files in to one destination file.In this if some duplicate data occurs it should be deleted.
eg:
file1:
-----
data1 value1
data2 value2
data3 value3
file2:
-----
data1 value1
data4 value4
data5 value5
file3:
-----
data1 value1
data4 value4 (3 Replies)
Hello,
I need help in putting duplicate lines within a section into another file. Here is what I'm struggling with:
Using this file data.txt:
ABC1 012345 header
ABC2 7890-000
ABC3 012345 Header Table
ABC4
ABC5 593.0000 587.4800
ABC5 593.5000 587.6580 <= dup need to remove
ABC5... (4 Replies)
So I have two files. The first file, file1.txt, has lines of numbers separated by commas.
file1.txt
10,2,30,50
22,6,3,15,16,100
73,55
78,40,33,30,11
73,55
99,82,85
22,6,3,15,16,100
The second file, file2.txt, has sentences.
file2.txt
"the cat is fat"
"I like eggs"
"fish live in... (6 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
You will write a script that will remove all HTML tags from an HTML document and remove any consecutive... (3 Replies)
Discussion started by: tburns517
3 Replies
LEARN ABOUT PHP
get_defined_vars
GET_DEFINED_VARS(3) 1 GET_DEFINED_VARS(3)get_defined_vars - Returns an array of all defined variablesSYNOPSIS
array get_defined_vars (void )
DESCRIPTION
This function returns a multidimensional array containing a list of all defined variables, be them environment, server or user-defined
variables, within the scope that get_defined_vars(3) is called.
RETURN VALUES
A multidimensional array with all the variables.
EXAMPLES
Example #1
get_defined_vars(3) Example
<?php
$b = array(1, 1, 2, 3, 5, 8);
$arr = get_defined_vars();
// print $b
print_r($arr["b"]);
/* print path to the PHP interpreter (if used as a CGI)
* e.g. /usr/local/bin/php */
echo $arr["_"];
// print the command-line parameters if any
print_r($arr["argv"]);
// print all the server vars
print_r($arr["_SERVER"]);
// print all the available keys for the arrays of variables
print_r(array_keys(get_defined_vars()));
?>
SEE ALSO isset(3), get_defined_functions(3), get_defined_constants(3).
PHP Documentation Group GET_DEFINED_VARS(3)