In Linux, file types are not recognized by file extensions. It is actually determined by the data in a file. The file extension doesn't even matter.
If you run file command on any file, three sets of tests, performed in this order: filesystem tests, magic number tests and language tests to determine the file type.
Go over the file command manual for more information:
Please help! I am preparing a Linux Script to move windows executable files from samba directory to quarantine directory. For safety, will use "file" command to determine if its executable. Anyone can help? Below is my trial script, but it just move everything, including non-executable.. any wrong... (2 Replies)
Hi
I compiled an executable on Solaris 10 which creates semaphore ( semget)
but it didn't work on solaris 9 , while it is executing sucessfully on solaris 10. It is throwing the system error that Invalid arguments ( system error 22) on solaris 9.
the ldd for the executable on two servers is as... (4 Replies)
Hi ,
Could you please guide me how to remove formatting (bold text) in a unix file?
vi editor showing like this...
^
Cat command showing like this...
tl21ss01
tl21ss02
tl21ss03 (6 Replies)
Hi All,
I just want to know how to get the executable name of the perl script as i know "$0" will give me the script name but i want to know the executable name which i got it from the script using pp command.
Regards
Raj (1 Reply)
Hi,
I want to check the incoming files whether the file is Mac file or dos/windows file in unix shell script.
Sometimes client is posting Mac file and sometimes it is dos file. Could you please help me how to determine/check whether the file is Mac or dos.
Help in advance
Thanks (4 Replies)
Dear Experts,
I am an ERP consultant and would like to learn shell script. We are working on Linux SUSE 11.4 and I am very new to shell scripting. We can manually encrypt an excel file using "executable jar" through command prompt by placing the jar file & the file to be encrypted on a physical... (1 Reply)
Dear all,
I download a .exe file in my current folder called: ukbmd5.exe. I was told to run the command below: ukbmd5 ukb25278.enc to verify the integrity of the files that you have downloaded and the program ukbmd5 has been made available to assist with decrpying ukb25278.enc.
while when I run... (1 Reply)
Discussion started by: forevertl
1 Replies
LEARN ABOUT PHP
is_executable
IS_EXECUTABLE(3) 1 IS_EXECUTABLE(3)is_executable - Tells whether the filename is executableSYNOPSIS
bool is_executable (string $filename)
DESCRIPTION
Tells whether the filename is executable.
PARAMETERS
o $filename
- Path to the file.
RETURN VALUES
Returns TRUE if the filename exists and is executable, or FALSE on error.
EXAMPLES
Example #1
is_executable(3) example
<?php
$file = '/home/vincent/somefile.sh';
if (is_executable($file)) {
echo $file.' is executable';
} else {
echo $file.' is not executable';
}
?>
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_file(3), is_link(3).
PHP Documentation Group IS_EXECUTABLE(3)