7 More Discussions You Might Find Interesting
1. Linux
The Linux kernel was originally created by Linus Torvalds, a Finnish computer science student, and first announced to the world on August 25, 1991-exactly 20 years ago today. At the time, Torvalds described his work as a "hobby" and contended that it would not be "big and professional" like the GNU... (2 Replies)
Discussion started by: itkamaraj
2 Replies
2. SCO
Hi all
I have installed a demo version of SCO OpenServer 5.0.2, I finally found it is Desktop Interface, I would like to know how to change its interface to dos based interface?
If you have any ideas, please tell me then. Thank you (2 Replies)
Discussion started by: TinhNhi
2 Replies
3. Solaris
Dear all,
I am a newbie in solaris and I need your advice.
I have a Solaris version 5.9 installed on Sunfire V240.
I am able to ssh the machine from putty remotely.
My problem is that I cannot see the display from KVM switch I have connected to it. I need also to be able to see the GUI... (2 Replies)
Discussion started by: mbouster
2 Replies
4. UNIX for Dummies Questions & Answers
I have a folder with many subdirectories and i need to set the modified date to today for everything in it. Please help, thanks!
I tried something i found online, find . -print0 | xargs -r0 touch
but I got the error: xargs: illegal option -- r (5 Replies)
Discussion started by: glev2005
5 Replies
5. What is on Your Mind?
This is my 100th post! I want to thank UNIX.com for teaching me a lot. I joined here with no knowledge of UNIX at all. I've learned so many while lurking in the shadows of UNIX.com and I've learned a lot more while trying to help other people's problem.
So, to the forum and all its mods and... (3 Replies)
Discussion started by: angheloko
3 Replies
6. Shell Programming and Scripting
Hi I have a simple question.
Is there an easy way to read a date of birth from a file and calculate how old that person is based on today's date? And would I need the make sure the birthdates are enterered in a particular format?
Thanks (10 Replies)
Discussion started by: mustaine85
10 Replies
7. UNIX for Dummies Questions & Answers
Hi to all,
I am looking a file in vi editor to get 100th occurance of a latter in that file.
Can any one help me in this?
Thanks
Sathish (1 Reply)
Discussion started by: bsathishmca
1 Replies
TOUCH(3) 1 TOUCH(3)
touch - Sets access and modification time of file
SYNOPSIS
bool touch (string $filename, [int $time = time()], [int $atime])
DESCRIPTION
Attempts to set the access and modification times of the file named in the $filename parameter to the value given in $time. Note that the
access time is always modified, regardless of the number of parameters.
If the file does not exist, it will be created.
PARAMETERS
o $filename
- The name of the file being touched.
o $time
- The touch time. If $time is not supplied, the current system time is used.
o $atime
- If present, the access time of the given filename is set to the value of $atime. Otherwise, it is set to the value passed to the
$time parameter. If neither are present, the current system time is used.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | It became possible to change the modification |
| | time of a directory under Windows. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
touch(3) example
<?php
if (touch($filename)) {
echo $filename . ' modification time has been changed to present time';
} else {
echo 'Sorry, could not change modification time of ' . $filename;
}
?>
Example #2
touch(3) using the $time parameter
<?php
// This is the touch time, we'll set it to one hour in the past.
$time = time() - 3600;
// Touch the file
if (!touch('some_file.txt', $time)) {
echo 'Whoops, something went wrong...';
} else {
echo 'Touched file with success';
}
?>
NOTES
Note
Note that time resolution may differ from one file system to another.
Warning
Prior to PHP 5.3.0 it was not possible to change the modification time of a directory with this function under Windows.
PHP Documentation Group TOUCH(3)