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umask EXPR

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umask EXPR

umask

Sets the umask for the process to EXPR and returns the previous value. If EXPR is omitted, merely returns the current umask. Remember that a umask is a number, usually given in octal; it is not a string of octal digits. See also oct, if all you have is a string.

Source: Perl builtin functions
Copyright: Larry Wall, et al.

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