access-rights for WindowsNT.

I must to work on a file, if he has the access-rights to read. In Unix is the numeric modus to read the file: 0444.
How are the access-right's to read in WinNT.
Please detailinformation.
Thank you.
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prakashk021799Connect With a Mentor Commented:
To check if a file has read permission, just do this (on both Unix and WinNT):

if (-r $file) {
    # proceed to open and read the file
} else {
    print STDERR "$file is not readable.\n";
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