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Top Forums Shell Programming and Scripting Bash script make itself executable Post 303018665 by jim mcnamara on Tuesday 12th of June 2018 10:12:06 PM
Old 06-12-2018
You really should not use /bin - a link usually to /usr/bin - for anything.

Bakunin (some others ) posted a long dicsussion of how this can make trouble for you. I cannot find the link at the moment, perhaps he can find it for you.
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IS_EXECUTABLE(3)							 1							  IS_EXECUTABLE(3)

is_executable - Tells whether the filename is executable

SYNOPSIS
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)
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