sample:
cc=bpxwdyn('alloc da(a.test.gdg(+1)) new catalog gdgnt',
'lrecl(80) recfm(f,b) blksize(0)',
'tracks space(1,1) unit(sysda) dd(dd1) reuse')
cc=bpxwdyn('alloc da(a.test.gdg(+1)) new catalog gdgnt',
'lrecl(80) recfm(f,b) blksize(0)',
'tracks space(1,1) unit(sysda) dd(dd1) reuse')
'lrecl(80) recfm(f,b) blksize(0)',
'tracks space(1,1) unit(sysda) dd(dd1) reuse')
cc=bpxwdyn('alloc da(a.test.gdg(+1)) new catalog gdgnt',
'lrecl(80) recfm(f,b) blksize(0)',
'tracks space(1,1) unit(sysda) dd(dd1) reuse')