Hi all,
In the process of creating CPU reports.
I've already used `sar` to create a daily file, then monthly reports for CPU usage (which is averaged across all 4 CPU's).
I've now used `cpusar -P ?`(?=CPU#) to collect individual CPU data and have four files for each day which is great.
The... (4 Replies)
I have a script which removes files (if they exist)
Here is a cut down example of the script.
Variables file1,file2 etc have already been initialized
#!/bin/bash
if
then
\rm file1
fi
if
then
\rm file2
fi
if
then
\rm file3
fi
if
then
\rm file4 (9 Replies)
Hi All,
I am currently using the following script to send the single file to one/more email addresses. I need to send mutilple files at same time, are there anyway I could modify the script or write new one to accomplish the same.
Script
***************
#!/bin/ksh
# Author: Manish... (4 Replies)
I need to clean out some application subdirectories from backup scripts we used to rename to various backup extensions just in case the script failed in production and we need to rollback. I will be moving these old scripts to a staging directory and then removing them after 30 days (I have the... (9 Replies)
Hi,
I just started to learn shell progamming and just can't get my head around the following problem.
I need to do the following:
I have a folder which contains 100+ subfolders. Inside these subfolders there is one folder named 'Morph' and several jpg's.
I need to copy all the files into... (4 Replies)
How to remove the first line from multiple files and use it as source to the jobs. Only at the runtime it should remove the first line not in the file . (1 Reply)
I would like to get help to find how to replace word in files from command line instead of to vi to each file.
This is the command i am running now.
grep <old word> *
vi (file with the word found in it)
1,$s/<old word>/<new word>/g
It would very helpful if I can combine these in one... (2 Replies)
file1.txt
file2.txt
file3.txt
desired output is
each file is in the same directory, hasthe same number of columns but different rows. i want to be able to paste them into one file.
thanks! (5 Replies)
This is on a RHEL 6 box with bash 4.1.2
I'm trying to to use grep to only find those lines containing matches that form whole words.
The -w option works fantastic unless of course that word has a hyphen.
The problem is I will get a hit on "test-group" which is a good thing, but I will also... (3 Replies)
Split large xml into mutiple files and with header and footer in file
tried below
it splits unevenly and also i need help in adding header and footer
command :
csplit -s -k -f my_XML_split.xml extrfile.xml "/<Document>/" {1}
sample xml
<?xml version="1.0" encoding="UTF-8"?><Recipient>... (36 Replies)
Discussion started by: karthik
36 Replies
LEARN ABOUT PHP
is_writable
IS_WRITABLE(3) 1 IS_WRITABLE(3)is_writable - Tells whether the filename is writableSYNOPSIS
bool is_writable (string $filename)
DESCRIPTION
Returns TRUE if the $filename exists and is writable. The filename argument may be a directory name allowing you to check if a directory
is writable.
Keep in mind that PHP may be accessing the file as the user id that the web server runs as (often 'nobody'). Safe mode limitations are not
taken into account.
PARAMETERS
o $filename
- The filename being checked.
RETURN VALUES
Returns TRUE if the $filename exists and is writable.
EXAMPLES
Example #1
is_writable(3) example
<?php
$filename = 'test.txt';
if (is_writable($filename)) {
echo 'The file is writable';
} else {
echo 'The file is not writable';
}
?>
ERRORS /EXCEPTIONS
Upon failure, an E_WARNING is emitted.
NOTES
Note
The results of this function are cached. See clearstatcache(3) for more details.
Tip
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to "Supported Protocols and Wrappers" to determine
which wrappers support stat(3) family of functionality.
SEE ALSO is_readable(3), file_exists(3), fwrite(3).
PHP Documentation Group IS_WRITABLE(3)