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n, or the standard output (file descriptor 1) if
nis not specified. If the file does not exist it is created; if it does exist it is truncated to zero size.
The general format for redirecting output is:
If the redirection operator is `>', and the
option to the
set builtin has been enabled, the redirection
will fail if the file whose name results from the expansion of
word exists and is a regular file.
If the redirection operator is `>|', or the redirection operator is
`>' and the
noclobber option is not enabled, the redirection
is attempted even if the file named by word exists.