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Left Hand Pointer

Concatenate Operator

M[UMPS] by Example

Right Hand Pointer

String operator 'concatenate' (_)

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

Reference   Value
9_3   93

No separator remains

Reference   Value
"First"_"Second"   FirstSecond

Unless embedded in either operand

Reference   Value
"First"_" Second"   First Second

Or explicitly specified

Reference   Value
"First"_" "_"Second"   First Second
Button for 1977 Button for 1984 Button for 1990 Button for 1995 Button for MDC Button for notes Button for examples

Copyright © Standard Documents; 1977-2017 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, 13:10:25 .

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