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shchan
New User
Joined: 06 Jun 2007
Posts: 58
Location: Hyderabad
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hi..
can anybody help?
i have to write a rexx utility taht checks if a vsam file is present or not and if it is present it should display the statistics like lrecl,recfm,blksize,used space.i tried with listdsi but this is not working fine for vsam files and gdgs
Can u please suggest on this? |
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ofer71
Global Moderator
Joined: 27 Dec 2005
Posts: 2358
Location: Israel
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What's wrong with LISTCAT?
O. |
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shchan
New User
Joined: 06 Jun 2007
Posts: 58
Location: Hyderabad
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hi ofer71,
listcat is displaying all the catalogued files.I have a list of vsam files, only for these files,i should get the statistics of the file |
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expat
Global Moderator
Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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| Then perform the LISTCAT for only the specific files that you want |
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ofer71
Global Moderator
Joined: 27 Dec 2005
Posts: 2358
Location: Israel
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shchan -
| Quote: |
| listcat is displaying all the catalogued files |
That's not true. LISTCAT produce whatever you want it to produce.
O. |
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murmohk1
Senior Member
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Joined: 29 Jun 2006
Posts: 1436
Location: Bangalore,India
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shchan,
| Quote: |
| listcat is displaying all the catalogued files |
By chance, are you using LISTCAT LEVEL...... which shows all the cataloged files? |
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Marso
REXX Moderator
Joined: 13 Mar 2006
Posts: 1353
Location: Israel
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When using LISTCAT, don't forget to use OUTTRAP as well:
| Code: |
X = OUTTRAP("Lst.")
Address TSO "LISTCAT ENTRIES(YOUR.VSAM.FILE) ALL"
X = OUTTRAP("OFF") |
After that, you will have to search for the information you want in the Lst. variable.
To have a look at all the data, start with:
| Code: |
Do I = 1 To Lst.0
Say Lst.I
End |
Then, if (for example) you want to get the record length, you can use:
| Code: |
Do I = 1 To Lst.0 Until Word(Lst.I,1) = "ATTRIBUTES"
End
I = I+1
Parse Var Lst.I . "AVGLRECL" avglrecl .
avglrecl = Strip(avglrecl,"L","-")
I = I+1
Parse Var Lst.I . "MAXLRECL" maxlrecl .
maxlrecl = Strip(maxlrecl,"L","-")
If avglrecl = maxlrecl Then recfm = "F"
Else recfm = "V"
Say "average length: "avglrecl
Say "maximum length: "maxlrecl
Say "recfm: "recfm |
The Do-End loop allows you to jump quite fast to the correct place, once you know the data you want is right after this line. |
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