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Left Hand Pointer

Collates After Operator

M[UMPS] by Example

Right Hand Pointer

Relational operator 'collates after' (]])

Introduced in the 1995 ANSI M[UMPS] language standard.

Assume that TXT1="ABC" and TXT2="ABD".

Reference   Value
TXT2]]TXT1   1 (true)
"ABCD"]]TXT1   1 (true)
"ABCD"]]1   1 (true)
TXT1]]2   1 (true)
10]]1   1 (true)
2]]1   1 (true)
10]]2   1 (true)

A future M[UMPS] language standard introduces an override mechanism for collating purposes. See the library functions $%COLLATE^CHARACTER and $%COMPARE^CHARACTER for more information about the override options.

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Copyright © Standard Documents; 1977-2017 MUMPS Development Committee;
Copyright © Examples: 1995-2017 Ed de Moel;
Copyright © Annotations: 2003-2017 Jacquard Systems Research.

The information in this page is NOT authoritative and subject to be modified at any moment.
Please consult the appropriate (draft) language standard for an authoritative definition.

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 12-Sep-2014, 14:12:31 .

For comments, contact Ed de Moel (demoel@jacquardsystems.com)