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Top Forums Shell Programming and Scripting How to Delete all lines in a file from a script Post 74851 by Just Ice on Tuesday 14th of June 2005 12:06:17 AM
Old 06-14-2005
also ...

Code:
# echo > filename

# rm filename; touch filename

 

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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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