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| ☜ | $IODraft MDC Standard | ☞ | ||||
identifies the current I/O device (see 8.2.7 and 8.2.35). Its value has the form of expr. When a process is initiated, but before any commands are processed, the value of $IO is equal to the value of $Principal if an implicit Open and Use for the device specified by $Principal is executed by the implementation. If the implementation does not execute these Open and Use commands then $IO is given the value of the empty string.
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Copyright © Standard Documents; 1977-2024 MUMPS Development Committee;
Copyright © Examples: 1995-2024 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2024 Ed de Moel.
Some specifications are "approved for inclusion in a future standard". Note that the MUMPS Development Committee cannot guarantee that such future standards will indeed be published.
This page most recently updated on 13-Sep-2014, 08:20:51.
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