/* ACQ REXX ACQ for ACQUIRE command Input parameters are: (required:) DDNAME MEMBER (optional:) AS newmember REPLACE INTO alternatedsn Use 'ACQ ?' for HELP-text. ------------------------------------------------------------------- . Process: derive dsnames in ddname verify that dsname1(member) does NOT exist if it does, certify that user wishes to replace find (for 2 to n) first occurrence of dsname(member) setup IEBCOPY allocations to copy from n to 1 invoke IEBCOPY Written by Frank Clarke, rexxhead@yahoo.com around 1992 Impact Analysis . SYSEXEC TRAPOUT Modification History 20210511 fxc REXXSKEL at last 20230407 fxc adjust HELP 20230806 fxc chg SYSPROC to SYSEXEC in Impact Analysis; 20240414 fxc DUMP_QUEUE quiet ; 20240811 fxc remove NOUPDT from HELP; 20250329 fxc mask 'Process:'; 20250916 fxc SPACEOUT; new BACKEND; 20250925 fxc chg setting of sw. to sw.0; */ arg argline address TSO /* REXXSKEL ver.20210402 */ 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 */ call A_INIT /* Initialization -*/ call D_GET_DDS /* Parse DD, DSN, and member -*/ call I_IEBCOPY /* Transfer -*/ if \sw.0nested then call DUMP_QUEUE 'quiet' /* -*/ exit /*@ ACQ */ /* Initialization . ----------------------------------------------------------------- */ A_INIT: /*@ */ if branch then call BRANCH address TSO newmbr = KEYWD( "AS" ) alt_dsn = KEYWD( "INTO" ) repl = SWITCH( "REPLACE" ) parse value "" with, errmsg dsn. parse var info ddname member . /* get input parms */ if member = "" then call HELP if ddname = "" then call HELP return /*@ A_INIT */ /* Find associated datasets and locate the member. . ----------------------------------------------------------------- */ D_GET_DDS: /*@ */ if branch then call BRANCH address TSO "NEWSTACK" "LA" ddname "((STACK" /* get dsnames */ pull dsnames "DELSTACK" if monitor then say, ddname": "dsnames if alt_dsn <> "" then do if Substr( alt_dsn,1,1 ) <> "'" then, /* unquoted */ alt_dsn = Userid()"."alt_dsn /* add userid. */ else alt_dsn = Strip( alt_dsn,"B","'" ) /* strip quotes */ if monitor then say, "Adding" alt_dsn dsnames = alt_dsn dsnames if monitor then say, ddname": "dsnames end /* alt_dsn */ dsn.0 = Words( dsnames ) /* how many DSNames ? */ exists = "" do i = 1 to dsn.0 /* for each */ dsn.i = Word( dsnames,i ) /* load stem */ target = "'"dsn.i"("member")'" /* compose name for Sysdsn */ if Sysdsn( target ) = "OK" then, /* member exists in dsn ? */ exists = exists i /* add index to list */ end /* i */ if exists = "" then do say "No source:" member "does not exist in" ddname exit( 4 ) end if monitor then say, member "exists in" exists if Word( exists,1 ) = "1" then do /* in target position */ if Words( exists ) < 2 then do /* no source */ say "No source:" member "does not exist in a source position." exit( 4 ) end source = Word( exists,2 ) /* set source */ if repl then nop else do say member "exists in a target position and REPLACE was not", "specified." /* warn the user */ say "Do you wish to over-write the copy in" dsn.1 say " with the copy from" dsn.source "?" "NEWSTACK" pull response /* get answer */ "DELSTACK" if Left( Strip( response ),1 ) = "Y" then nop else exit 8 /* user said 'no' */ end end /* in a target position */ else, source = Word( exists,1 ) /* first available */ if monitor then say, "Source is" dsn.source return /*@ D_GET_DDS */ /* . ----------------------------------------------------------------- */ I_IEBCOPY: /*@ */ if branch then call BRANCH address TSO "ALLOC FI( SYSUT2 ) DA( '"dsn.1"' ) SHR REU" "ALLOC FI( SYSUT1 ) DA( '"dsn.source"' ) SHR REU" "ALLOC FI( SYSIN ) NEW TRACKS SPACE( 1 ) UNIT( SYSDA )", "LRECL( 80 ) BLKSIZE( 800 ) RECFM( F B ) REU" "ALLOC FI( SYSPRINT ) DUMMY REUSE" "NEWSTACK" queue " COPY INDD=SYSUT1,OUTDD=SYSUT2" queue " SELECT MEMBER=(("member","newmbr",R))" "EXECIO" queued() "DISKW SYSIN (FINIS" "DELSTACK" mstat = Msg( "off" ) "CALL *(IEBCOPY)" "FREE FI( SYSUT1 SYSUT2 )" rc = Msg( mstat ) return /*@ I_IEBCOPY */ /* . ----------------------------------------------------------------- */ LOCAL_PREINIT: /*@ customize opts */ address TSO return /*@ LOCAL_PREINIT */ /* subroutines below LOCAL_PREINIT are not selected by SHOWFLOW */ /* . ----------------------------------------------------------------- */ HELP: /*@ */ address TSO;"CLEAR" if helpmsg <> "" then say helpmsg; say "" ex_nam = Left(exec_name,8) /* predictable size */ say " "ex_nam" (acquires) brings a member of a partitioned dataset " say " forward to the first dataset of the concatenation. It " say " does this by invoking IEBCOPY, thus saving the original " say " member statistics. " say " " say " Syntax: "ex_nam" ddname member (Required)" say " AS newmbrnm " say " INTO altdsn " say " REPLACE " say " " say " ddname identifies the DDName to be operated on. " say " " say " member identifies a membername to be acquired, that is, " say " copied to the first dataset in the concatenation " say " from another dataset associated with the file. " say " " say " more... " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " " say " AS newmbrnm causes the target member to be renamed as it is " say " IEBCOPYd. " say " " say " INTO altdsn specifies a dataset other than the first in the " say " concatenation. Quoted if fully-qualified. " say " " say " REPLACE allows replacement of an existing member in the " say " first dataset by a member below it in the " say " concatenation. If REPLACE is not specified and " say " member is discovered in a target position, you " say " will be prompted for permission to over-write " say " it. " say " " say " more... " "NEWSTACK"; pull ; "CLEAR" ; "DELSTACK" say " Debugging tools provided include: " say " " say " MONITOR: displays key information throughout processing. " 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 "ex_nam" parameters (( debug-options " say " " say " For example: " say " " say " TSO "ex_nam" (( MONITOR TRACE ?R " if sysvar("SYSISPF") = "ACTIVE" then, 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 */