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Left Hand Pointer

Follows Operator

M[UMPS] by Example

Right Hand Pointer

Relational operator 'follows' (])

Introduced in the 1977 ANSI M[UMPS] language standard.

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

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

Note that the lexicographical order of the texts "1", "2" and "10" is: "1", "10", "2", i.e.:

Reference   Value
10]1   1 (true)
2]1   1 (true)
10]2   0 (false)
Button for 1977 Button for 1984 Button for 1990 Button for 1995 Button for MDC Button for notes Button for examples

Copyright © Standard Documents; 1977-2018 MUMPS Development Committee;
Copyright © Examples: 1995-2018 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2018 Ed de Moel.

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, 14:11:52 .

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