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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     Dividing a long string into several fields

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Dividing a long string into several fields
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<Stahl>
posted
Dear all,
I want to divide a long string into several fields according to a given delimiter-string.

e.g.:
string: abc?/xyz12345?/456z?/die
delimiter string: ?/
The new fields should be like this:
f1 = xyz12345
f2 = 456z
f3 = die
(The first part "abc" can be ignored.)
What I don't know in advance is, how many parts the original string has. It can be longer or shorter than the example included her.
So I don't really know, how many new fields to define.

Any hints are highly appretiated!

Thanks a lot!
stahl
 
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susannah
Expert
posted Hide Post
sure
you're going to use the POSIT function and the SUBSTR function.
(see the Using Functions Manual. Do you have it?)
POSIT will locate the delimeter, whatever delimeter you specifcy.
SUBSTR will extract a substring from some starting position (last POSIT of the delimeter + 1) to some ending position( current POSIT of the delimeter -1).
You'll loop thru your string until POSIT is 0, meaning can't find any more.
Are you ok from here?
 
Posts: 3811 | Location: Manhattan | Registered: October 28, 2003Report This Post
Piipster
Guru
posted Hide Post
If you are manipulating the string as Dialog Manager variables the looping will be fine to tell you when to stop.

If you need the values in DEFINE fields, you are going to have to make some assumptions about the longest possible substring and the most number of occurrences of the substrings, and DEFINE enough fields to handle them all.
 
Posts: 346 | Location: Melbourne Australia | Registered: April 15, 2003Report This Post
cmallain
Silver Member
posted Hide Post
quote:
Originally posted by susannah:
sure
you're going to use the POSIT function and the SUBSTR function.
(see the Using Functions Manual. Do you have it?)
POSIT will locate the delimeter, whatever delimeter you specifcy.
SUBSTR will extract a substring from some starting position (last POSIT of the delimeter + 1) to some ending position( current POSIT of the delimeter -1).
You'll loop thru your string until POSIT is 0, meaning can't find any more.
Are you ok from here?


Can POSIT be done with the delimiter being a space?


------------------------------------------
last version used: v7.1; truly miss the wonderful things I did with WebFOCUS, HTML, & JavaScript.
 
Posts: 36 | Location: Rolling Meadows, IL | Registered: September 05, 2007Report This Post
Darin Lee
Virtuoso
posted Hide Post
yes - you just have to be careful of spaces in the string like the space between first and last name. it may not be a delimiter, but would be counted as one anyway


Regards,

Darin


In FOCUS since 1991
WF Server: 7.7.04 on Linux and Z/OS, ReportCaster, Self-Service, MRE, Java, Flex
Data: DB2/UDB, Adabas, SQL Server Output: HTML,PDF,EXL2K/07, PS, AHTML, Flex
WF Client: 77 on Linux w/Tomcat
 
Posts: 2298 | Location: Salt Lake City, Utah | Registered: February 02, 2007Report This Post
Gizmo
Gold member
posted Hide Post
This is usually easy to accomplish using the GETTOK subroutine.


Windows: WF 7.6.2: SQL Server 2008 R2
 
Posts: 86 | Location: Chicago | Registered: August 03, 2007Report This Post
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