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COBOL Documentation |
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COBOL Language [
return
] |
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From |
Message |
arien05
5/21/2008
07:51:09
|
 Subject: How to parse variable length records
Message:
I have to read a variable length file and create a report. I have to use the parsing technique (reference modification)
my input file looks like
123&jack&100&80&90
234&josephine&77&88&99
& is the delimiter.
the first field is the Student Number
Second field - Name
third field - mark1
fourth field - mark2
fifth field - mark3
i have to read these fields using parsing technique and create a report. can anyone help me please?
|
jkriel
5/21/2008
09:27:14
| RE: How to parse variable length records
Message:
Hi
You can look up unstring and unstring the record into the different fields.
|
Tim Bonham
5/21/2008
20:37:11
| RE: How to parse variable length records
Message:
I would do this by running the input file thru DFSORT, which has a parse option that will convert this into a file of fixed-length fields. Then run that file thru your COBOL program to generate the report.
|
jeyaraj
5/24/2008
10:10:32
| RE: How to parse variable length records
Message:
In input-output section declare the file as line-sequential file like follows.
input-outputsection.
file-control.
select input-file assign to <file-name>
organization is line sequential.
In data division keep the record size as the maximum size of record available in your file like follows.
data division.
file section.
fd input-file
01 input-record pic x(120).
In working storage have an entry like following
working-storage section.
01 ws-record.
03 ws-field1 pic 9(03).
03 ws-field2 pic x(10).
and so on as per your need
Now open your file and read the record one by one. On successful read, using the following command.
unstring input-record delimited by '&' into
ws-field1,ws-field2,ws-fiel3......
Hope this will help you..
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