directory blocks-determine how many

Hello: Given an existing PDS on a disk device, how can you programatically
(from assembler) determine how many directory blocks are allocated to it?

I thought RDJFCB would work but that does not have the JFCBDQTY field filled in.

If you do an 'I' from ISPF, ISPF does a RDJFCB, but the JFCB image returned
by RDJFCB does not have any of the space parameters (including JFDBDQTY)
filled in.

Any ideas/solutions are appreciated.

Thank you.

Paul

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  • =?iso-8859-1?Q?Re:_directory_blocks-determine_how_many?=
    ... the JFCB is just the internal representation of your DD ... If you do an 'I' from ISPF, ISPF does a RDJFCB, but the JFCB image returned ... For IBM-MAIN subscribe / signoff / archive access instructions, ... send email to listserv@xxxxxxxxxxx with the message: GET IBM-MAIN INFO ...
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  • Re: directory blocks-determine how many
    ... Something wrong with simply reading the pds directory? ... I thought RDJFCB would work but that does not have the JFCBDQTY field ... For IBM-MAIN subscribe / signoff / archive access instructions, ... send email to listserv@xxxxxxxxxxx with the message: GET IBM-MAIN INFO ...
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  • Re: directory blocks-determine how many
    ... I thought RDJFCB would work but that does not have the JFCBDQTY field filled in. ... If you do an 'I' from ISPF, ISPF does a RDJFCB, but the JFCB image returned ... return 'NO_LIMIT" for the number of directory blocks. ...
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  • RE: Anyone using graphical ISPF?
    ... What advantages does it offer over standard ISPF? ... It requires a specialized display "agent" running on each display server, ... For IBM-MAIN subscribe / signoff / archive access instructions, ... send email to listserv@xxxxxxxxxxx with the message: GET IBM-MAIN INFO ...
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