Help me please: UNIX command to extract substring not squeeze spaces
Hi experts,
Please help me!...
I have a string " test1 test2 test3 ".
There are two spaces before "test1"; There are four spaces between "test1" and "test2"; there are two spaces between "test2 and "test3".
I want to extract a substring "2 test3" using positions.
Below is my test script:
The result is "t3". It seems the multiple spaces are squeezed into one space between words.
How can I get "2 test3"?
Thank you so much in advance,
Sophie
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Discussion started by: chercheur111
16 Replies
LEARN ABOUT PHP
get_included_files
GET_INCLUDED_FILES(3) 1 GET_INCLUDED_FILES(3)get_included_files - Returns an array with the names of included or required filesSYNOPSIS
array get_included_files (void )
DESCRIPTION
Gets the names of all files that have been included using include(3), include_once(3), require(3) or require_once(3).
RETURN VALUES
Returns an array of the names of all files.
The script originally called is considered an "included file," so it will be listed together with the files referenced by include(3) and
family.
Files that are included or required multiple times only show up once in the returned array.
EXAMPLES
Example #1
get_included_files(3) example
<?php
// This file is abc.php
include 'test1.php';
include_once 'test2.php';
require 'test3.php';
require_once 'test4.php';
$included_files = get_included_files();
foreach ($included_files as $filename) {
echo "$filename
";
}
?>
The above example will output:
abc.php
test1.php
test2.php
test3.php
test4.php
NOTES
Note
Files included using the auto_prepend_file configuration directive are not included in the returned array.
SEE ALSO include(3), include_once(3), require(3), require_once(3), get_required_files(3).
PHP Documentation Group GET_INCLUDED_FILES(3)