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Datalogic PowerScan PM8500 Manual

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Product Reference Guide 205
FindPosition (FPOS)
This function has the following syntax:
FPOS<source_string, search_string>pos
ition
This function searches for a defined substring with
in the "source_string" and returns its
position. If the substring is not found, the returned value is 1.
StringLength (LSTR)
This function has the following syntax:
LSTR<string>le
ngth
This function returns the length
of the defined string.
StringConcatenation
This function has the following syntax:
string1 + string2strin
g
This function allows concatenating two different st
rings in order to get a single string as
result.
StringDiscard
This function has the following syntax:
string1 - string2strin
g
This function discards all the strings having the
same value as "string2" which can be found
in "string1". If no "string2" is found within "string1", the result returns "string1".
InsertString (ISTR)
This function has the following syntax:
ISTR<source_string, string1, position>string
This function inserts a new string ("string1") within
the "source_string" and places it in the
defined "position".
If the value of the "position" argument is longer than "source_string" length, "string1" will
be placed after the last charac
ter of the source string.
ReplaceString (RSTR)
This function has the following syntax:
RSTR<source_string, string1, string2>string
This function searches for "string1" within the "source_string". All the strings having the
same
value as "string1" within the "source_string" will be replaced by "string2".
If no "string1" is found in the "source_string",
the result returns the "source_string".
Examples
The string transmitted is 12345abcdef3790 and corresponds to the #DS function, as
defined in the programming language.
1. expression
SSTR<#DS,1,5> + SSTR<#DS,11,15> + SSTR<#DS,6,9>
result 12345f3790abcd
… 213 …


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