version 1.14, 2010/09/03 11:09:29 |
version 1.15, 2014/06/03 20:29:41 |
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The |
The |
.Nm |
.Nm |
utility exits 0 if the standard input is a terminal, 1 if the standard input |
utility exits 0 if the standard input is a terminal, 1 if the standard input |
is not a terminal, or \*(Gt1 if an error occurred. |
is not a terminal, or >1 if an error occurred. |
.Sh SEE ALSO |
.Sh SEE ALSO |
.Xr stty 1 , |
.Xr stty 1 , |
.Xr test 1 , |
.Xr test 1 , |
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utility is compliant with the |
utility is compliant with the |
.St -p1003.1-2008 |
.St -p1003.1-2008 |
specification. |
specification. |
.Pp |
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The flag |
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.Op Fl s |
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is an extension to that specification. |
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.Sh HISTORY |
.Sh HISTORY |
A |
A |
.Nm |
.Nm |