Concatenation Of Strings (<<) - Siemens SINUMERIK 828D Programming Manual

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Program code

DEF BOOL BOOL_ERG

DEF REAL REAL_ERG

DEF AXIS AXIS_ERG

BOOL_ERG=ISNUMBER("1234.9876Ex-7")

BOOL_ERG=ISNUMBER("1234XYZ")

REAL_ERG=NUMBER("1234.9876Ex-7")

AXIS_ERG=AXNAME("X")

Concatenation of strings (<<)

The function "concatenation strings" allows a string to be configured from individual

The concatenation is realized using the operator "<<". This operator has STRING as the

target type for all combinations of basic types CHAR, BOOL, INT, REAL, and STRING.

Any conversion that may be required is carried out according to existing rules.

<any_type> << <any_type>

Significance

For example, such a message or a command can be configured from text lists and

parameters can be inserted (for example a block name):

MSG(STRG_TAB[LOAD_IDX]<<BAUSTEIN_NAME)

Job planning

Programming Manual, 07/2010, 6FC5398-2BP40-0BA0

Variable, type CHAR, BOOL, INT, REAL or STRING

Operator to chain variables (<any_type>) to configure a character string

(type STRING).

This operator is also available alone as a so-called "unary" variant. This

can be used for explicit type converter to STRING (not for FRAME and

<< <any_type>

Flexible NC programming

; BOOL_ERG == TRUE

; BOOL_ERG == FALSE

; REAL_ERG == 1234.9876Ex-7

; AXIS_ERG == X

1.9 String operations

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