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Manudamodar
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Joined: 10 Feb 2006
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 Posted: Thu Mar 02, 2006 11:14 am Post subject: Viewing a large file in TSO/ISPF |
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Hi
Usually when a large file cannot be supported for viewing in ISPF it will be browse substituted. But sometimes in our session, when opening a huge file say 6,666,666 records in view mode, ISPF displays 666666 records of data.
Is there any reason why this happens.
Thanks
Manu |
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kolusu
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semigeezer
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| Posted: Thu Mar 02, 2006 12:06 pm Post subject: |
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| Are you saying that ISPF is bringing the file up in VIEW (not BROWSE) and that it is showing less than the whole file? It may do this if the data set is a multi-volume data set and you specify a specific volume. Otherwise, it should display all of the data. If all of the data fits in memory, and there are more than 999999 lines, the line numbers should be truncated since there are only 6 positions for line numbers on the screen. A LOCATE 999999 command should show the first instance of a line whose position ends with 999999. If there are more than that (the next line starts with 000000) then the whole file fits in memory. If it is really truncating the file (I doubt it is), then that should be reported to IBM. |
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Manudamodar
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Joined: 10 Feb 2006
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| Posted: Thu Mar 02, 2006 1:07 pm Post subject: |
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| semigeezer wrote: | | Are you saying that ISPF is bringing the file up in VIEW (not BROWSE) and that it is showing less than the whole file? It may do this if the data set is a multi-volume data set and you specify a specific volume. Otherwise, it should display all of the data. If all of the data fits in memory, and there are more than 999999 lines, the line numbers should be truncated since there are only 6 positions for line numbers on the screen. A LOCATE 999999 command should show the first instance of a line whose position ends with 999999. If there are more than that (the next line starts with 000000) then the whole file fits in memory. If it is really truncating the file (I doubt it is), then that should be reported to IBM. |
Thanks Semi for ur response. I didnt check the line#..it did a zero restart after 999999. |
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