Mid - Monarch 9460 Programmer's Manual

M I D
Purpose Extracts a sub-field from a string.
Syntax

MID

Process The MID command extracts a sub-field from
field2
Buffer-field1
Length
Rules:
Invalid
Optional Fields
chapter. The exception is as follows:
buffer-field2
If
control passes to that label.
Example 1
This example extracts a five-character substring starting at position 5 of LOCATION
and copies it into TEMP1.
MID LOCATION,TEMP1,#5,#5
Example 2 This example extracts a substring of LengthNum characters starting at position
StartNum of LOCATION and copies it into TEMP1.
MID LOCATION,TEMP1,StartNum,LengthNum
See Also
LEFT
LSTRIP
RIGHT
RSTRIP
5-60 Command Reference
buffer-field1 , buffer-field2
; starting with the
, buffer-field2
Buffer-field1, 2, Start
Length
INPUT
Logical Field Name
(TEMP1)
Logical Field Name (LU1)
Logical Field Name (PR1)
Logical Field Name
(Field1) [Index]
Buffer-field1
only:
String
Buffer-field1, start,
and
length only:
Number
Start
and must be numeric.
valid labels
and
overflows,
, start , length
start
position and extracting
, start , and length
and Description
Input Buffer
Temporary Buffer
Field
Lookup Buffer Field
Printer Buffer Field
Array Buffer Field
ASCII string delimited
by double quotes
Number prefixed by a
number sign (#)
are discussed in "Script Flow" at the beginning of this
start
is greater than
[ , [ invalid label
buffer-field1
and copies it into
length
number of characters.
can be one the following:
length invalid label
, or
] [ , valid label ] ]
buffer-
is defined,