10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I need to shred and delete a file after a certain time. Therefore I use
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in that very directory
ls -shiI still see the so called backup-copy lets say file.txt~
When running bleachbit it will disappear thoroughly.... (3 Replies)
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2. UNIX for Dummies Questions & Answers
is it possible to make apache log each user activity in its log file "access_log"
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3. Shell Programming and Scripting
Is there a way to tell diff to show differences one line at a time and not to group them? For example, I have two files:
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line 1
line 2
line 3 diff
line 4 diff
line 5 diff
line 6
line 7
file2:
line 1
line 2
line 3 diff.
line 4 diff.
line 5 diff.
line 6
line 7 (13 Replies)
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4. SuSE
Hello,
I have a project that I have compiled on a number of linux systems including CentOS, Ubuntu, and Windows Cygwin. I am trying to build the project under SUSE 12.1. The make file runs allot of the way through, but then throws an error that an included file can't be opened.
This is the... (4 Replies)
Discussion started by: LMHmedchem
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5. Solaris
In Redhat it is easy....
date --date="60 minutes ago"
How do you do this in Solaris?
I got creative and got the epoch time but had problems..
EPOCHTIME=`truss date 2>&1 | grep "time()" | awk '{print $3 - 900}'`
echo $EPOCHTIME
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6. UNIX for Dummies Questions & Answers
Hello all, i'm stumped.... I need to list all directories with all there info and exclude the files, then vice versa. I am not sure if I need to string several ls commands together or how to even do that. I believe I need to do some variation of ls -l but need to figure out how to take out the... (5 Replies)
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7. UNIX for Advanced & Expert Users
Hello friends,
I am building one driver related to wifi. When I am looking its hex dump, I can see that it is including a path to one particular file of kernel headers. It is as under.
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8. Shell Programming and Scripting
Hi,
I have a log file without date/time, and I want that everytime tail|grep find something it displays the date/time and the line. I have tried something like this command but without any luck to display the date/time:
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9. Shell Programming and Scripting
I've seen several examples of grep showing the filename the string was found in, but what I really need is grep to show the file details in long format (like ls -l would).
scenario is:
grep mobile_number todays_files
This will show me the string I'm after & which files they turn up in, but... (2 Replies)
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10. Solaris
On Solaris 8 and 10 is there a way history command can show what time a particular command was executed.
Pls reply.
Thanks (2 Replies)
Discussion started by: Tirmazi
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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)
