/* REXX FETCH (v.2) Edit a dataset based on a nickname (See ZA_LOAD_NAMES for instructions for adding new synonyms.) V.2 uses RUNDATA to supply the tags and dsns. |**-***-***-***-***-***-***-***-***-***-***-***-***-***-***-***-**| | | | WARNING: EMBEDDED COMPONENTS. | | See text following TOOLKIT_INIT | | | |**-***-***-***-***-***-***-***-***-***-***-***-***-***-***-***-**| Written by Frank Clarke, Oldsmar FL pre-2001 Impact Analysis . SYSEXEC FCCMDUPD . SYSEXEC MEMLIST . SYSEXEC RUNDATA . SYSEXEC STRSORT . SYSEXEC TBLGEN . SYSEXEC TRAPOUT Modification History 20090929 fxc chg LMMDISP to MEMLIST; 20240331 fxc TBLGEN needs TBLNAME; use prepackaged MEMLIST instead of ISPF service; 20240402 fxc remove dsnstak2 from HELP text; expand I/A section; 20240508 fxc get all datasets and nicknames from RUNDATA; 20240620 fxc remove ZB; 20240708 fxc add RUNDATA reference in HELP; 20250404 fxc clip too-long lines; 20250515 fxc fix DEIMBED; 20250630 fxc SPACEOUT; 20250810 fxc adjust HELP; 20250925 fxc chg setting of sw. to sw.0; */ arg argline address TSO /* REXXSKEL ver.19991109 */ arg parms "((" opts signal on syntax signal on novalue call TOOLKIT_INIT /* conventional start-up -*/ rc = Trace( "O" ); rc = trace( tv ) info = parms /* to enable parsing */ if \sw.0inISPF then do arg line "ISPSTART CMD( "exec_name line" )" /* Invoke ISPF if nec. */ exit /* ...and restart it */ end call A_INIT /* -*/ if Pos( "*",parms ) = 0 &, dsid <> "" then, /* specified, not generic */ call B_GET_IT /* -*/ else, /* no DSID specified */ call C_ISPF_IT /* -*/ exit /*@ FETCH */ /* . ----------------------------------------------------------------- */ A_INIT: /*@ */ if branch then call BRANCH address TSO func. = "VIEW" func.1 = "EDIT" @tmpsw = KEYWD( "FOR" ) = "EDIT" state = state | @tmpsw parse var info dsid . origds = FIND_ORIGIN() return /*@ A_INIT */ /* . ----------------------------------------------------------------- */ B_GET_IT: /*@ */ if branch then call BRANCH address ISPEXEC origdsid = dsid /* in case it's no good... */ candidates = "" /* init */ if Wordpos( dsid,dsnstak ) = 0 then do do idx = 1 to Words( dsnstak ) if Abbrev( Word( dsnstak,idx ),dsid ) then, candidates = candidates Word( dsnstak,idx ) end end else candidates = dsid /* matched as word */ if Words( candidates ) > 1 then do address TSO (exec_name) parms"*" "((" opts return end /* too many hits */ if Words( candidates ) = 0 then do helpmsg = " <"origdsid"> was not found in the list of known", "nicknames." call HELP /* ...and don't come back! */ end /* not enough hits */ dsid = Space( candidates,0 ) "CONTROL ERRORS RETURN" address TSO "MEMLIST" dsn.dsid Left( func.state,1 ) if rc > 8 then do "SETMSG MSG( ISRZ002 )" end return /*@ B_GET_IT */ /* Display the table . ----------------------------------------------------------------- */ C_ISPF_IT: /*@ */ if branch then call BRANCH address ISPEXEC "CONTROL ERRORS RETURN" /* I'll handle my own */ call CA_PROLOG /* -*/ call CD_DISPLAY /* -*/ call CZ_EPILOG /* -*/ return /*@ C_ISPF_IT */ /* . ----------------------------------------------------------------- */ CA_PROLOG: /*@ */ if branch then call BRANCH address ISPEXEC call DEIMBED /* extract ISPF material -*/ dd = "" do Words( ddnlist ) /* each LIBDEF DD */ parse value ddnlist dd with dd ddnlist @ddn = @ddn.dd /* PLIB322 <- PLIB */ "LIBDEF ISP"dd "LIBRARY ID( "@ddn" ) STACK" end ddnlist = ddnlist dd return /*@ CA_PROLOG */ /* . ----------------------------------------------------------------- */ CD_DISPLAY: /*@ */ if branch then call BRANCH address ISPEXEC if Pos( "*",dsid ) > 0 then, do mode = "SCAN" /* generic spec */ "TBVCLEAR" @tn@ /* zap all names */ dsid = Strip( dsid,,"*" ) fetag = dsid"00"x fetagh = dsid"ff"x "TBSARG" @tn@ "NAMECOND( FETAG,GE FETAGH,LE )" end else mode = "ALL" "TBSORT" @tn@ "FIELDS( FETAG,C,A )" do forever "TBDISPL" @tn@ "PANEL( FETCH01 )" if rc > 4 then leave do ztdsels "CONTROL DISPLAY SAVE" select when Pos( action,"B" ) > 0 then do "BROWSE DATASET("fedsn")" end when WordPos( action,"E V" ) > 0 then do address TSO "MEMLIST" fedsn Left( action,1 ) end when Pos( action,"M" ) > 0 then do address TSO "MEMLIST" fedsn end when Pos( action,"S" ) > 0 then do address TSO "MEMLIST" fedsn Left( func.state,1 ) end otherwise nop end /* select */ "CONTROL DISPLAY RESTORE" if ztdsels > 1 then "TBDISPL" @tn@ end /* ztdsels */ action = "" end /* forever */ return /*@ CD_DISPLAY */ /* Release the LIBDEFs . ----------------------------------------------------------------- */ CZ_EPILOG: /*@ */ if branch then call BRANCH address ISPEXEC dd = "" do Words( ddnlist ) /* each LIBDEF DD */ parse value ddnlist dd with dd ddnlist @ddn = @ddn.dd /* PLIB322 <- PLIB */ "LIBDEF ISP"dd address TSO "FREE FI( "@ddn" )" end ddnlist = ddnlist dd return /*@ CZ_EPILOG */ /* The structure of the FE table on the Master Table (AAMSTR) is . KEYS( FETAG ) NAMES( FEDSN FETAGH ). If the AAMSTR table is properly configured as by TBLMSTR exec, the TBLGEN command below will build a proper FE table. It is not kept beyond the end of the session. . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ if branch then call BRANCH address TSO rc = Trace( "O" ); rc = trace( tv ) if SWITCH( "INSTALL" ) then do queue "FETCH" queue 3 queue "SELECT CMD( %FETCH &ZPARM )" queue "Fetch datasets by nickmane" "FCCMDUPD" exit end /* INSTALL */ @tn@ = "@FETCH" state = SWITCH( "EDIT" ) /* 1=EDIT 0=VIEW */ if Pos( "*",parms ) > 0 |, parms = "" then, "TBLGEN FE NOWRITE REPLACE ", /* build temporary FE table */ "TBLNAME" @tn@ call ZA_LOAD_NAMES /* -*/ return /*@ LOCAL_PREINIT */ /* To add a new item to the selection list: ===> tso %rundata write tblkey fetch safe data( tag: dsn; ) The dsn supplied should be fully qualified and unquoted. To remove an item from the selection list: ===> tso %rundata write tblkey fetch safe data( tag: ; ) Alternatively, use DUMPDATA to create a $RELOAD.EXEC dataset for one RUNDATA table row or the entire table, modify the contents of $RELOAD.EXEC, and execute it to reload data onto the RUNDATA table. . ----------------------------------------------------------------- */ ZA_LOAD_NAMES: /*@ */ if branch then call BRANCH address TSO parse value "" with, dsn. taglist "NEWSTACK" "RUNDATA READ TBLKEY FETCH " /* sets all tags */ if queued() = 0 then do helpmsg = "RUNDATA did not supply any values. ", "Correct the RUNDATA table to provide a", "fully-qualified unquoted DSN for each", "desired tag before proceeding. " call HELP /* ...and exit */ end do queued() /* return from RUNDATA */ pull tag tagval . if tagval = "" then iterate taglist = taglist tag dsn.tag = "'"tagval"'" end /* queued */ "DELSTACK" dsnstak = STRSORT( taglist ) if Pos( "*",parms ) > 0 |, parms = "" then, call ZT_TBADD(dsnstak) /* -*/ return /*@ ZA_LOAD_NAMES */ /* Load the table . ----------------------------------------------------------------- */ ZT_TBADD: Procedure expose, /*@ */ (tk_globalvars) dsn. @tn@ if branch then call BRANCH address ISPEXEC arg taglist do while taglist <> "" parse var taglist fetag taglist /* isolate */ fedsn = dsn.fetag /* load dsn */ fetagh = fetag "TBADD" @tn@ /* add to table */ end /* taglist */ return /*@ ZT_TBADD */ /* Parse out the embedded components at the back of the source code. . ----------------------------------------------------------------- */ DEIMBED: Procedure expose, /*@ */ (tk_globalvars) ddnlist @ddn. daid. address TSO dlm = '5d5d5d'x /* three close-parens */ fb80po.0 = "NEW UNIT( VIO ) SPACE( 5 5 ) TRACKS DIR( 40 )", "RECFM( F B ) LRECL( 80 ) BLKSIZE( 0 )" parse value "" with ddnlist @ddn. daid. lastln = sourceline() currln = lastln /* */ if Left( sourceline( currln ),2 ) <> "*/" then return currln = currln - 1 /* previous line */ "NEWSTACK" address ISPEXEC do while Left( sourceline( currln ),2 ) <> "/*" text = sourceline( currln ) /* save with a short name ! */ if Left( text,3 ) = dlm then do /* package the queue */ parse var text . ddn mbr . /* PLIB PANL001 maybe */ if Pos( ddn,ddnlist ) = 0 then do /* doesn't exist */ ddnlist = ddnlist ddn /* keep track */ @ddn = ddn || Random( 999 ) @ddn.ddn = @ddn address TSO "ALLOC FI( "@ddn" )" fb80po.0 "LMINIT DATAID( DAID ) DDNAME( "@ddn" )" daid.ddn = daid end daid = daid.ddn "LMOPEN DATAID( "daid" ) OPTION( OUTPUT )" do queued() parse pull line "LMPUT DATAID( "daid" ) MODE( INVAR )", "DATALOC( LINE ) DATALEN( 80 )" end "LMMADD DATAID( "daid" ) MEMBER( "mbr" )" "LMCLOSE DATAID( "daid" )" end /* package the queue */ else push text /* onto the top of the stack */ currln = currln - 1 /* previous line */ end /* while */ address TSO "DELSTACK" return /*@ DEIMBED */ /* Find where code was run from. It assumes cataloged data sets. Original by Doug Nadel With SWA code lifted from Gilbert Saint-flour's SWAREQ exec . ----------------------------------------------------------------- */ FIND_ORIGIN: Procedure /*@ */ answer="* UNKNOWN *" /* assume disaster */ Parse Source . . name dd ds . /* get known info */ Call listdsi(dd "FILE") /* get 1st ddname from file */ Numeric digits 10 /* allow up to 7FFFFFFF */ If name = "?" Then /* if sequential exec */ answer="'"ds"'" /* use info from parse source */ Else /* now test for members */ If sysdsn("'"sysdsname"("name")'")="OK" Then /* if in 1st ds */ answer="'"sysdsname"("name")'" /* go no further */ Else /* hooboy! Lets have some fun!*/ Do /* scan tiot for the ddname */ tiotptr=24+ptr(12+ptr(ptr(ptr(16)))) /* get ddname array */ tioelngh=c2d(stg(tiotptr,1)) /* nength of 1st entry */ Do Until tioelngh=0 | tioeddnm = dd /* scan until dd found */ tioeddnm=strip( stg( tiotptr+4,8 ) ) /* get ddname from tiot */ If tioeddnm <> dd Then /* if not a match */ tiotptr=tiotptr+tioelngh /* advance to next entry */ tioelngh=c2d(stg(tiotptr,1)) /* length of next entry */ End If dd=tioeddnm Then, /* if we found it, loop through the data sets doing an swareq for each one to get the dsname */ Do Until tioelngh=0 | stg(4+tiotptr,1)<> " " tioejfcb=stg(tiotptr+12,3) jfcb=swareq(tioejfcb) /* convert SVA to 31-bit addr */ dsn=strip( stg( jfcb,44 ) ) /* dsname JFCBDSNM */ vol=storage(d2x(jfcb+118),6) /* volser JFCBVOLS (not used) */ If sysdsn("'"dsn"("name")'")='OK' Then, /* found it? */ Leave /* we is some happy campers! */ tiotptr=tiotptr+tioelngh /* get next entry */ tioelngh=c2d(stg(tiotptr,1)) /* get entry length */ End answer="'"dsn"("name")'" /* assume we found it */ End Return answer /*@ FIND_ORIGIN */ /* . ----------------------------------------------------------------- */ ptr: Return c2d(storage(d2x(Arg(1)),4)) /*@ */ /* . ----------------------------------------------------------------- */ stg: Return storage(d2x(Arg(1)),Arg(2)) /*@ */ /* . ----------------------------------------------------------------- */ SWAREQ: Procedure /*@ */ If right(c2x(Arg(1)),1) \= 'F' Then /* SWA=BELOW ? */ Return c2d(Arg(1))+16 /* yes, return sva+16 */ sva = c2d(Arg(1)) /* convert to decimal */ tcb = c2d(storage(21c,4)) /* TCB PSATOLD */ tcb = ptr(540) /* TCB PSATOLD */ jscb = ptr(tcb+180) /* JSCB TCBJSCB */ qmpl = ptr(jscb+244) /* QMPL JSCBQMPI */ qmat = ptr(qmpl+24) /* QMAT QMADD */ Do While sva>65536 qmat = ptr(qmat+12) /* next QMAT QMAT+12 */ sva=sva-65536 /* 010006F -> 000006F */ End return ptr(qmat+sva+1)+16 /*@ SWAREQ */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" ; say "" if helpmsg <> "" then do; say helpmsg; say ""; end ex_nam = Left( exec_name,8 ) /* predictable size */ say " FETCH retrieves selected datasets by their 'nicknames'. " say " Recognized nicknames (so far) are: " say " " do Words( dsnstak ) /* each valid value */ parse var dsnstak this1 dsnstak /* isolate */ say Right(this1,14) "=" dsn.this1 end /* dsnstak */ say " " say " (The minimum abbreviation is whatever portion of the nickname " say " is required to make it unique. You may also make a generic " say " request by appending an asterisk, e.g.: 'jcl*'. This will " say " display all nicknames which match the specified pattern.) " say " " say " more...... " "NEWSTACK" ; pull ; "CLEAR" ; "DELSTACK" say " " say " You may have the FETCHed data brought to you ready for Edit by " say " specifying: " say " FETCH ..... (( EDIT " say " or " say " FETCH .... FOR EDIT (but only if a data item is specified) " say " " say " You may have the verb 'FETCH' added to your personal command table" say " by specifying: " say " FETCH ..... (( INSTALL " say " but no other processing will take place in that invocation. " say " " say " " say " NOTE ::::: " say " "exec_name" gets its data from the RUNDATA table. For each entry " say " you wish to have recognized by "exec_name", add a tag and a " say " fully-qualified unquoted DSN as its value. " say " " say " more...... " "NEWSTACK" ; pull ; "CLEAR" ; "DELSTACK" say " " say " Debugging tools provided include: " say " " say " BRANCH: show all paragraph entries. " say " " say " TRACE tv: will use value following TRACE to place the execution in" say " REXX TRACE Mode. " say " " say " " say " Debugging tools can be accessed in the following manner: " say " " say " TSO" exec_name" parameters (( debug-options " say " " say " For example: " say " " say " TSO" exec_name " (( trace ?r branch " address ISPEXEC "CONTROL DISPLAY REFRESH" exit /*@ HELP */ /* . ----------------------------------------------------------------- */ BRANCH: Procedure expose, /*@ */ sigl exec_name rc = trace( "O" ) /* we do not want to see this */ arg brparm . origin = sigl /* where was I called from ? */ do currln = origin to 1 by -1 /* inch backward to label */ if Right( Word( Sourceline( currln ),1 ),1 ) = ":" then do parse value sourceline( currln ) with pgfname ":" ./* Label */ leave ; end /* name */ end /* currln */ select when brparm = "NAME" then return( pgfname ) /* full name */ when brparm = "ID" then do /* wants the prefix */ parse var pgfname pgfpref "_" . /* get the prefix */ return( pgfpref ) end /* brparm = "ID" */ otherwise say left( sigl,6 ) left( pgfname,40 ) , exec_name "Time:" time( "L" ) end /* select */ return /*@ BRANCH */ /* . ----------------------------------------------------------------- */ DUMP_QUEUE: /*@ Take whatever is in stack */ rc = trace( "O" ) /* and write to the screen */ address TSO arg mode . "QSTACK" /* how many stacks? */ stk2dump = rc - tk_init_stacks /* remaining stacks */ if stk2dump = 0 & queued() = 0 then return if mode <> "QUIET" then, say "Total Stacks" rc , /* rc = #of stacks */ " Begin Stacks" tk_init_stacks , /* Stacks present at start */ " Excess Stacks to dump" stk2dump do dd = rc to tk_init_stacks by -1 /* empty each one. */ if mode <> "QUIET" then, say "Processing Stack #" dd " Total Lines:" queued() do queued();parse pull line;say line;end /* pump to the screen */ "DELSTACK" /* remove stack */ end /* dd = 1 to rc */ return /*@ DUMP_QUEUE */ /* Handle CLIST-form keywords added 20020513 . ----------------------------------------------------------------- */ CLKWD: Procedure expose info /*@ hide all except info */ arg kw kw = kw"(" /* form is 'KEY(DATA)' */ kw_pos = Pos( kw,info ) /* find where it is, maybe */ if kw_pos = 0 then return "" /* send back a null, not found*/ rtpt = Pos( '5d40'x,info" ",kw_pos ) /* locate end-paren */ slug = Substr( info,kw_pos,rtpt-kw_pos+1 ) /* isolate */ info = Delstr( info,kw_pos,rtpt-kw_pos+1 ) /* excise */ parse var slug (kw) slug /* drop kw */ slug = Reverse( Substr( Reverse( Strip( slug ) ),2 ) ) return slug /*@CLKWD */ /* Handle multi-word keys 20020513 . ----------------------------------------------------------------- */ KEYWD: Procedure expose info /*@ hide all vars, except info*/ arg kw kw_pos = wordpos( kw,info ) /* find where it is, maybe */ if kw_pos = 0 then return "" /* send back a null, not found*/ kw_val = word( info,kw_pos+Words( kw ) ) /* get the next word */ info = Delword( info,kw_pos,2 ) /* remove both */ return kw_val /*@ KEYWD */ /* . ----------------------------------------------------------------- */ KEYPHRS: Procedure expose, /*@ */ info helpmsg exec_name /* except these three */ arg kp wp = wordpos( kp,info ) /* where is it? */ if wp = 0 then return "" /* not found */ front = subword( info,1,wp-1 ) /* everything before kp */ back = subword( info,wp+1 ) /* everything after kp */ parse var back dlm back /* 1st token must be 2 bytes */ if length( dlm ) <> 2 then /* Must be two bytes */ helpmsg = helpmsg, "Invalid length for delimiter( "dlm" ) with KEYPHRS( "kp" )", info if wordpos( dlm,back ) = 0 then /* search for ending delimiter*/ helpmsg = helpmsg, "No matching second delimiter( "dlm" ) with KEYPHRS( "kp" )", info if helpmsg <> "" then call HELP /* Something is wrong */ parse var back kpval (dlm) back /* get everything b/w delim */ info = front back /* restore remainder */ return Strip( kpval ) /*@ KEYPHRS */ /* . ----------------------------------------------------------------- */ NOVALUE: /*@ */ say exec_name "raised NOVALUE at line" sigl say " " say "The referenced variable is" condition( "D" ) say " " zsigl = sigl signal SHOW_SOURCE /*@ NOVALUE */ /* . ----------------------------------------------------------------- */ SHOW_SOURCE: /*@ */ call DUMP_QUEUE /* Spill contents of stacks -*/ if sourceline() <> "0" then /* to screen */ say sourceline( zsigl ) rc = trace( "?R" ) nop exit /*@ SHOW_SOURCE */ /* . ----------------------------------------------------------------- */ SS: Procedure /*@ Show Source */ arg ssbeg ssend . if ssend = "" then ssend = 10 if \datatype( ssbeg,"W" ) | \datatype( ssend,"W" ) then return ssend = ssbeg + ssend do ssii = ssbeg to ssend ; say Strip( sourceline( ssii ),'T' ) end return /*@ SS */ /* . ----------------------------------------------------------------- */ SWITCH: Procedure expose info /*@ */ arg kw sw_val = Wordpos( kw,info ) > 0 /* exists = 1; not found = 0 */ if sw_val then /* exists */ info = Delword( info,Wordpos( kw,info ),1 ) /* remove it */ return sw_val /*@ SWITCH */ /* . ----------------------------------------------------------------- */ SYNTAX: /*@ */ errormsg = exec_name "encountered REXX error" rc "in line" sigl":", errortext( rc ) say errormsg zsigl = sigl signal SHOW_SOURCE /*@ SYNTAX */ /* Can call TRAPOUT. . ----------------------------------------------------------------- */ TOOLKIT_INIT: /*@ */ address TSO info = Strip( opts,'T','5d'x ) /* clip trailing paren */ parse source sys_id how_invokt exec_name DD_nm DS_nm, as_invokt cmd_env addr_spc usr_tokn parse value "" with tv helpmsg . parse value 0 "ISR00000 YES" "Error-Press PF1" with, sw. zerrhm zerralrm zerrsm if SWITCH( "TRAPOUT" ) then do "TRAPOUT" exec_name parms "(( TRACE R" info exit end /* trapout */ sw.0nested = sysvar( "SYSNEST" ) = "YES" sw.0batch = sysvar( "SYSENV" ) = "BACK" sw.0inispf = sysvar( "SYSISPF" ) = "ACTIVE" parse value KEYWD( "TRACE" ) "N" with tv . if Word( parms,1 ) = "?" then call HELP /* I won't be back */ "QSTACK" ; tk_init_stacks = rc /* How many stacks? */ parse value SWITCH( "BRANCH" ) , SWITCH( "MONITOR" ) , SWITCH( "NOUPDT" ) with, branch monitor noupdt . parse value mvsvar( "SYSNAME" ) sysvar( "SYSNODE" ) with, #tk_cpu node . tk_globalvars = "exec_name tv helpmsg sw. zerrhm zerralrm ", "zerrsm zerrlm tk_init_stacks branch monitor ", "noupdt" call LOCAL_PREINIT /* for more opts -*/ return /*@ TOOLKIT_INIT */ /* ))) PLIB FETCH01 )ATTR % TYPE( TEXT ) INTENS( HIGH ) SKIP( ON ) + TYPE( TEXT ) INTENS( LOW ) SKIP( ON ) _ TYPE( INPUT ) INTENS( HIGH ) CAPS( ON ) ! TYPE( OUTPUT ) INTENS( HIGH ) SKIP( ON ) @ TYPE( OUTPUT ) INTENS( LOW ) SKIP( ON ) )BODY EXPAND(||) %|-| FETCHable Datasets +|-| %Command ===>_ZCMD %Scroll ===>_ZAMT+ + --Tag-- --Dataset Name-------- )MODEL ROWS(&mode) _z!fetag @fedsn )INIT .ZVARS = '(ACTION)' .HELP = FETCH01H )REINIT )PROC )END ))) PLIB FETCH01H )ATTR % TYPE( TEXT ) INTENS( HIGH ) SKIP( ON ) + TYPE( TEXT ) INTENS( LOW ) SKIP( ON ) _ TYPE( INPUT ) INTENS( HIGH ) ! TYPE( OUTPUT ) INTENS( HIGH ) SKIP( ON ) @ TYPE( OUTPUT ) INTENS( LOW ) SKIP( ON ) )BODY EXPAND(||) %TUTORIAL |-| FETCHable Datsets |-| TUTORIAL %Next Selection ===>_ZCMD + Select by%S, E, B,+or%V+any of the shown datasets. %S+is equivalent to%V+(View). This copy of FETCH was found in!origds )PROC )END */