zOs/REXX.O13/PVSLOG

call adrTso 'alloc dd(in) shr reuse dsn(WK.TEXTVB(PTAEXT)'
call adrTso 'alloc dd(out) shr reuse dsn(WK.TEXTVB(sum)'
call readDDBegin in
call writeDDBegin out

ox = 0
begCnt = 0
endCnt = 0
do while readDD(in, r.)
    do r=1 to r.0
        cx =  pos("CURRENT DATE IS", r.r)
        if cx > 0 then do
            da = space(substr(r.r, cx + 15))
            if right(word(da, 1), 1) == "," then do
                da = word(da, 2) ,
                     translate(left(word(da, 3), 1)) ,
                     || translate(substr(word(da, 3), 2) ,
                          , 'abcdefghijklmnopqrstuvwxyz' ,
                          , 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'),
                     word(da, 4)
                da = date('s', da, 'n')
                end
            else do
                da = word(da, 1)
                if length(da) == 10 then
                    da = left(da,6)right(da, 2)
                da = date('s', da, 'e')
                end
            da = right(da, 2)'.'substr(da, 5, 2)'.'left(da, 4)
            say 'date' da
            iterate
            end
        ti = substr(r.r, 2, 8)
        id = substr(r.r, 12, 8)
        if id == 'PVS2021 ' then do
            begCnt = begCnt + 1
            end
        else if id == 'PVS2022 ' then do
            endCnt = endCnt + 1
            if substr(r.r, 53, 6) ^= 'PVSR#=' then
                call err 'bad end Rec': r.r
            pvsR.endCnt = word(substr(r.r, 59), 1)
            end
        else if id == 'PVS2025 ' then do
            endCnt = endCnt + 1
            pvsR.endCnt = 00000000
            end
        else if id == '    DSN ' then do
            dsn = word(substr(r.r, 23), 1)
            if substr(dsn, 3, 1) == 'S' then
                dsn = overlay('R', dsn, 3)
            if symbol('m.beg.dsn') == 'VAR' then do
                if endCnt <= 0 then do
                    say 'ignoring' r.r
                    end
                else do
                    if endCnt > 1 then do
                       e1 = endCnt - 1
                       say 'endCnt' endCnt pvsR.endCnt pvsR.e1 dsn
                       end
                    ox = ox + 1
                    o.ox = m.beg.dsn','ti da','pvsR.endCnt','dsn
                    drop m.beg.dsn
                    endCnt = endCnt - 1
                    end
                end
            else if begCnt > 0 then do
                m.beg.dsn = ti da
                begCnt = begCnt - 1
                end
            end
        end
    if ox > 100 then do
        call writeDD out, o., ox
        ox = 0
        end
    end
if begCnt ^= 0 | endCnt ^= 0 then
    call err 'at end begCnt' begCnt 'endCnt' endCnt
if ox > 0 then do
    call writeDD out, o., ox
    ox = 0
    end
call readDDEnd in
call writeDDEnd out
exit
err:
parse arg ggMsg
    call errA ggMsg
    exit 12
endSubroutine err
/* copy adr begin ****************************************************/
/*--- format dsn from tso format to jcl format -----------------------*/
dsn2jcl: procedure
parse arg dsn .
    if left(dsn,1) = "'" then
        return strip(dsn, 'b', "'")
    else if sysvar('SYSPREF') = '' then
        return dsn
    else
        return sysvar('SYSPREF')'.'dsn
endProcedure dsn2Jcl

/*--- format dsn from jcl format to tso format -----------------------*/
dsnFromJcl: procedure
parse arg dsn .
    return "'"dsn"'"
endProcedure dsnFromJcl

/**********************************************************************
    io: read or write a dataset with the following callsequences:
        read:  readDDBegin, readDD*,  readDDEnd
        write: writeBegin,  writeDD*, writeEnd

        readDD returns true if data read, false at eof
***********************************************************************/

/*--- prepare reading from a DD --------------------------------------*/
readDDBegin: procedure
return /* end readDDBegin */

/*--- read from DD ggDD into ggSt, return false at eof ---------------*/
readDD:
    parse arg ggDD, ggSt, ggCnt
    if ggCnt = '' then
        ggCnt = 100
    call adrTso 'execio' ggCnt 'diskr' ggDD '(stem' ggSt')', 2
    return (value(ggSt'0') > 0)
return /* end readDD */

/*--- finish reading DD  ggDD ----------------------------------------*/
readDDEnd: procedure
    parse arg ggDD
    call adrTso 'execio 0 diskr' ggDD '(finis)'
return /* end readDDEnd */

/*--- prepare writing to DD ggDD -------------------------------------*/
writeDDBegin: procedure
    parse arg ggDD
                  /* ensure file is erased, if no records are written */
    call adrTso 'execio' 0 'diskw' ggDD '(open)'
return /* end writeDDBegin */

/*--- write to gg ggDD from stem ggSt, ggCnt records -----------------*/
writeDD:
    parse arg ggDD, ggSt, ggCnt
    if ggCnt == '' then
        ggCnt = value(ggst'0')
    call adrTso 'execio' ggCnt 'diskw' ggDD '(stem' ggSt')'
    return
endSubroutine writeDD

/*--- end writing to dd ggDD (close) --------------------------------*/
writeDDEnd: procedure
    parse arg ggDD
    call adrTso 'execio 0 diskw' ggDD '(finis)'
return /* end writeDDEnd */

/*--- send ggTsoCmd to tso, fail if rc <> 0 or not listed in ggRet ---*/
adrTso:
    parse arg ggTsoCmd, ggRet
    address tso ggTsoCmd
    if rc == 0                     then return 0
    else if ggRet == '*'           then return rc
    else if wordPos(rc, ggRet) > 0 then return rc
    else
        call err 'adrTso rc' rc 'for' ggTsoCmd
return /* end adrTso */
/* copy adr end    ****************************************************/
/* copy err begin ******************************************************
    messages, errorhandling,help
***********************************************************************/
/* caller should define err as follows ---------------------------------
err:
parse arg ggMsg
    call errA ggMsg
    exit 12
endSubroutine err
   end call should define err ----------------------------------------*/

/*--- error routine: abend with message ------------------------------*/
errA:
    parse arg ggTxt
    parse source . . ggS3 .                           /* current rexx */
    say 'fatal error in' ggS3':' ggTxt
    x = x / 0
    exit setRc(12)
endSubroutine errA

/*--- abend with Message after displaying help -----------------------*/
errHelp: procedure
parse arg ggMsg
    say 'fatal error:' ggMsg
    call help
    call err ggMsg
endProcedure errHelp

/*--- set rc for ispf: -----------------------------------------------*/
    if a cmd is run by ispStart, its RC is ignored,
         but ISPF passes the value of the shared varible zIspfRc
         back as return code
----------------------------------------------------------------------*/
setRc: procedure
parse arg zIspfRc
    if sysVar('sysISPF') = 'ACTIVE' then do
        say 'exitRc setting zIspfRc='zIspfRc
        address ispExec vput 'zIspfRc' shared
        end
    return zIspfRc
endProcedure setRc

/*--- output a trace message if m.trace is set -----------------------*/
trc: procedure expose m.
parse arg msg
    if m.trace == 1 then
        say 'trc:' msg
    return
endProcedure trc

/*--- quote string txt using quoteChar qu ("""" ==> ") ---------------*/
quote: procedure
parse arg txt, qu
    if qu = '' then
        qu = '"'
    res = qu
    ix = 1
    do forever
        qx = pos(qu, txt, ix)
        if qx = 0 then
            return res || substr(txt, ix) || qu
        res = res || substr(txt, ix, qx-ix) || qu || qu
        ix = qx + length(qu)
        end
endProcedure quote

/*--- return current time and cpu usage ------------------------------*/
showtime: procedure
parse arg showmsg
return time() sysvar('syscpu') /* sysvar('syssrv') */ showmsg

/--- display the first comment block of the source as help -----------*/
help: procedure
    parse source . . s3 .
    say 'help for rexx' s3
    do lx=1 by 1
        if pos('/*', sourceLine(lx)) > 0 then
            leave
        else if lx > 10 then do
            say 'initial commentblock not found for help'
            return
            end
        end
    do lx=lx+1 by 1
        li = strip(sourceLine(lx), 't', ' ')
        if pos('*/', li) > 0 then
            leave
        say li
        end
    return 4
endProcedure help
/* copy err end   *****************************************************/