Have a look at this page for the complete list of test-expression used with if -N option - True if FILE exists and has been modified since it was last read. I guess this is what you are looking for!
Dear Expert,
Is there a command to do that in Unix?
In such a way that we don't need to actually "write" or
modified the content.
-- monkfan (4 Replies)
Assume, I created one file three years back and I like to move the file to some other directory with the old date (Creation date)? Is it possible? Explain? (1 Reply)
Hi guys,
I had a scenario...
1. I had to get the previous days date in yyyymmdd format
2. i had to create a file with Date inthe format yyyymmdd.txt format
both are different
thanks guys in advance.. (4 Replies)
Hello gurus,
I am hoping someone can help me with the required code/script to make this work. I have the following file with records starting at line 4:
NETW~US60~000000000013220694~002~~IT~USD~2.24~20110201~99991231~01~01~20101104~... (4 Replies)
In KSH, I am pasting 2 almost identical files together and each one has a date and time on each line. I need to determine if the first instance of the date/time is greater than the 2nd instance of the date/time. If the first instance is greater, I just need to echo that line.
I thought I would... (4 Replies)
hi there
I have file names in different format as below
triss_20111117_fxcb.csv
triss_fxcb_20111117.csv
xpnl_hypo_reu_miplvdone_11172011.csv
xpnl_hypo_reu_miplvdone_11-17-2011.csv
xpnl_hypo_reu_miplvdone_20111117.csv
xpnl_hypo_reu_miplvdone_20111117xfb.csv... (10 Replies)
Hello,
Iam a newbies to Shell scripting. Iam trying to replace the date inside the file to new date. is there anyway that we can just use the pattern to search as "..." I have many files want to replace with the same date, and each file contains different date.
Thanks for your help.
... (2 Replies)
i have files like
1)20131112_abc_01.csv and
2)20131113_abc_01.csv and
3)20131113_abc_02.csv
when i try to fetch the file in the next day. it shud pick the third file..
plz help me..
and i use `date +"%Y%m%d"` command to fetch..it fetches the current date... (2 Replies)
I have file listed like below
-rw-r--r--+ 1 test test 17M Nov 26 14:43 test1.gz
-rw-r--r--+ 1 test test 0 Nov 26 14:44 test2.gz
-rw-r--r--+ 1 test test 0 Nov 27 10:41 test3.gz
-rw-r--r--+ 1 test test 244K Nov 27 10:41 test4.gz
-rw-r--r--+ 1 test test 17M Nov 27 10:41 test5.gz
I... (5 Replies)
We want to call a parameter file (.txt) where my application read dynamic values when the job is triggered, one of such values are below:
abc.txt
------------------
Code:
line1
line2
line3
$$EDWS_DATE_INSERT=08-27-2019
line4
$$EDWS_PREV_DATE_INSERT=08-26-2019
I am trying to write a... (3 Replies)
Discussion started by: pradeepp
3 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)