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Can we give dynamic length calcualtion for a Map variable

 
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cmsmoon

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Joined: 17 Jun 2010
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Location: Chennai

PostPosted: Mon Jun 10, 2013 2:20 pm    Post subject: Can we give dynamic length calcualtion for a Map variable
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Hi Friends,

I have requirement to get the length value from map dynamically..

For example :

TBL tye : ________ ( 8 char )

TBL name: ________________ ( 16 char)

Intiallay i defined as "TBL name" length is 16.

when TBL type is AGE,it allow the TBL name just 2 char from front.remaining should be stopper field
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prino

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Joined: 07 Feb 2009
Posts: 985
Location: Oostende, Belgium

PostPosted: Mon Jun 10, 2013 3:05 pm    Post subject:
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You cannot. Just use the facilities offered by whatever language you're using to to check that chars 3-16 are blank.
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Bill O'Boyle

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Joined: 14 Jan 2008
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Location: Atlanta, Georgia, USA

PostPosted: Tue Jun 11, 2013 12:13 am    Post subject: Reply to: Can we give dynamic length calcualtion for a Map v
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Insert a X'1DF0' at the necessary position in the target map-field, such as the 3rd-position (limits keyable value to two positions). X'1D' is a stopper-byte and X'F0' represents an ASKIP,NORM attribute-byte (which is DFHBMASK, found in copybook DFHBMSCA).

Somewhat offbeat, but it does work....
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prino

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PostPosted: Tue Jun 11, 2013 12:17 am    Post subject: Re: Reply to: Can we give dynamic length calcualtion for a M
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Bill O'Boyle wrote:
Insert a X'1DF0' at the necessary position in the target map-field, such as the 3rd-position. X'1D' is a stopper-byte and X'F0' represents an ASKIP,NORM attribute-byte.

Somewhat offbeat, but it does work....

And will probably screw up the formatting of the rest of the screen. Also, it requires an "ENTER" between entering the "TBL type" and further processing, to set up this further field, where most users would probably TAB to it.
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Bill O'Boyle

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PostPosted: Tue Jun 11, 2013 12:19 am    Post subject: Reply to: Can we give dynamic length calcualtion for a Map v
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Prino,

Actually, when I was coding, I used this technique quite a bit and the map alignment/formatting was OK.
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prino

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Location: Oostende, Belgium

PostPosted: Tue Jun 11, 2013 12:45 am    Post subject:
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I know I tried (AD 1994-ish) this type of messing around to display multi-color error messages, but due to the fact that CICS/BMS attribute bytes are removed from the stream, maps would always come out in very (un)funny shapes and sizes.

However, as I don't readily have access to CICS (FanDeZhi's CICS has been kaputt for months) I cannot verify this behaviour now.
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