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Search a string in multiple PS

 
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Akash Sharma

New User


Joined: 13 Jan 2009
Posts: 36
Location: India

PostPosted: Thu Feb 12, 2009 11:44 am    Post subject: Search a string in multiple PS
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Hi all,

I have a requirement of searching strings in multiple PS.
The input strings will be located in a PS, search them in multiple PS, create a search report

e.g.
-------------------------------------------------------------
Search string PS:
AB
CD
EF
GH
-------------------------------------------------------------
String to be searched in PS:
AMEV3.RTB.INP1
AMEV3.RTB.INP2
AMEV3.RTB.INP3
-------------------------------------------------------------
Sample data of PS:

AMEV3.RTB.INP1
THE.............AB............AS OQAW
SCALVD.........ASCDF.........

AMEV3.RTB.INP2
THE.............CD..........AS OQAW
SCALVD.........ASCSDF.........

AMEV3.RTB.INP3
SCALVD.........ASCQDF.........
THE.............EF..GH......AS OQAW
-------------------------------------------------------------
Output report:
AB
THE.............AB............AS OQAW
CD
THE.............CD..........AS OQAW
SCALVD.........ASCDF.........
EF
THE.............EF..GH......AS OQAW
GH
THE.............EF..GH......AS OQAW
-------------------------------------------------------------

I have tried doing this through DFSORT but the data size is very large and requires extensive space for file handling.

Is this possible through a REXX program?
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10457
Location: italy

PostPosted: Thu Feb 12, 2009 12:09 pm    Post subject: Reply to: Search a string in multiple PS
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the dasd space required to store the results is independent of the tool
used for the serch
sort or rexx You will the space needed will depend only on the serch result;
up to the space of he source datasets if the string is found in every record.

if the datasets are large Rexx could be the worst choice,
it' s I/O performance is very low
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