Difference between revisions of "M"

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=== Factoids about M ===
 
=== Factoids about M ===
# The M ways that can affect the  value in a local or global variable are:  [[M/FOR]],  [[M/KILL]], [[M/MERGE]], [[M/NEW]], [[M/QUIT]], [[M/READ]], [[M/SET]], [[M/NEW]], [[M/TRESTART]], [[M/TROLLBACK]], passing as an argument using [[M/DO]] or $$ or [[M/JOB]], the $INCREMENT function, and of course, any implementation-specific semantics such as [[M/BREAK]], [[M/CLOSE]], [[M/OPEN]], [[M/USE]], [[M/VIEW]], Y* and Z*
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# The M ways that can affect the  value in a local or global variable are:  [[M/FOR]],  [[M/KILL]], [[M/MERGE]], [[M/NEW]], [[M/QUIT]], [[M/READ]], [[M/SET]], [[M/NEW]], [[M/TRESTART]], [[M/TROLLBACK]],
There are other ways SSVNs and Intrinsic variables can be changed not listed here.
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# passing as an argument using [[M/DO]] or $$ or [[M/JOB]],
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# the $INCREMENT function and any non-standard syntax
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# any implementation-specific semantics such as [[M/BREAK]], [[M/CLOSE]], [[M/OPEN]], [[M/USE]], [[M/VIEW]], Y* and Z*
 +
# There are other ways SSVNs and Intrinsic variables can be changed not listed here.

Revision as of 18:22, 21 October 2022

M (also called MUMPS) is the programming language used for VistA.

See Also

There are several implementations of MUMPS:

  • M/Cache Cache from InterSystems Corporation (proprietary,commercial)
  • M/DSM-11 from Digital Equipment on PDP-11
  • M/FreeM from John Willis
  • M/GT.M GT.M from Fidelity (open source, commercial)
  • M/IRIS IRIS from InterSystems Corporation (proprietary, commercial)
  • M/ISM-11 from InterSystems on PDP-11
  • M/MVX from InterSystems on VAX/VMS
  • M/RSM Reference Standard M from David Wicksell
  • M/VAXDSM from Digital Equipment Corporation (DEC) on VAX/VMS
  • M/YottaDB YottaDB from YottaDB.com (open source, commercial)

Definition of the Language

Any program written in M (MUMPS) that is stated as being written in Standard M must conform to the ANSI X11.1 or ISO standard for the language.

Any implementation of M (MUMPS) that is to be qualified as Standard M must conform to the same standard.

Templates

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Sub pages

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