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| 79 |
number and name of the active device, or 1, the null device, if none
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79 |
number and name of the active device, or 1, the null device, if none
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| 80 |
is active.
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80 |
is active.
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| 81 |
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81 |
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| 82 |
\code{dev.list} returns the numbers of all open devices, except device
|
82 |
\code{dev.list} returns the numbers of all open devices, except device
|
| 83 |
1, the null device. This is a numeric vector with a
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83 |
1, the null device. This is a numeric vector with a
|
| 84 |
\code{\link{names}} attribute giving the device names, or \code{NULL} is
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84 |
\code{\link{names}} attribute giving the device names, or \code{NULL} if
|
| 85 |
there is no open device.
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85 |
there is no open device.
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| 86 |
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86 |
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| 87 |
\code{dev.next} and \code{dev.prev} return the number and name of the
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87 |
\code{dev.next} and \code{dev.prev} return the number and name of the
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| 88 |
next / previous device in the list of devices. This will be the null
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88 |
next / previous device in the list of devices. This will be the null
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| 89 |
device if and only if there are no open devices.
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89 |
device if and only if there are no open devices.
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