Routine: ZISHGUX

%ZISH ;ISF/AC,RWF - GT.M for UNIX Host file Control ;01/04/2005  08:13

 ;;8.0;KERNEL;**275,306**;Jul 10, 1995;

 ; for GT.M for Unix/VMS, version 4.3

OPENERR ;

Q 0

OPEN(X1,X2,X3,X4,X5,X6) ;SR. Open file

 ;D OPEN^%ZISH([handlename],[directory],filename,[accessmode],[recsize])

 ;X1=handle name

 ;X2=directory, X3=filename, X4=access mode

 ;X5=new file max record size, X6=Subtype

 N %,%1,%2,%IO,%I2,%P,%T,X,Y,$ETRAP

 S $ETRAP="D OPNERR^%ZISH"

 S U="^",X2=$$DEFDIR($G(X2)),X4=$$UP^XLFSTR(X4)

 S Y=$S(X4["A":"append",X4["R":"readonly",X4["W":"newversion",1:"readonly")

 S Y=Y_$S(X4["B":":fixed:nowrap:recordsize=512",$G(X5)&(X4["W"):":WIDTH="_+X5,1:"")

 S:$E(Y)=":" Y=$E(Y,2,999) S %IO=X2_X3,%I2="%IO:"_$S($L(Y):"("_Y_")",1:"")_":3"

 O @%I2 S %T=$T

 I '%T S POP=1 Q

 S IO=%IO,IO(1,IO)="",IOT="HFS",POP=0 D SUBTYPE^%ZIS3($G(X6))

 I $G(X1)]"" D SAVDEV^%ZISUTL(X1)

 U IO U $P ;Enable use of $ZA to test EOF condition.

OPNERR ;error on open

 S POP=1,$ECODE=""

 U:$G(%P)]"" %P

CLOSE(X) ;SR. Close HFS device not opened by %ZIS.

 ;X1=Handle name, IO=device

 I IO]"" C IO K IO(1,IO)

 I $G(X)]"" D RMDEV^%ZISUTL(X)

 D HOME^%ZIS

DEL(%ZX1,%ZX2) ;ef,SR. Del fl(s)

 ;S Y=$$DEL^%ZISH("dir path",$NA(array))

 N %ZISH,%ZISHLGR,%ZX,X,%ZXDEL

 S %ZX1=$$DEFDIR($G(%ZX1)),%ZXDEL=1,%ZISH=""

 F  S %ZISH=$O(@%ZX2@(%ZISH)) Q:%ZISH=""  D

 . N $ETRAP,$ESTACK S $ETRAP="D DELERR^%ZISH"

 . I %ZISH["*" S %ZXDEL=0 Q  ; Wild card not allowed.

 . S %ZX=$ZSEARCH(%ZX1_%ZISH)

 . Q:%ZX']""           ; File doesn't exist - not an error, just quit.

 . O %ZX:READONLY:0

 . I '$T S %ZXDEL=0 Q  ; Can't open it.

 . C %ZX:DELETE

 . I $ZSEARCH(%ZX)]"" S %ZXDEL=0 ; Delete was not successful.

 Q %ZXDEL

DELERR ;Trap any $ETRAP error, unwind and return.

 S $ETRAP="D UNWIND^%ZTER"

 S %ZXDEL=0

 D UNWIND^%ZTER

LIST(%ZX1,%ZX2,%ZX3) ;ef,SR. Set local array holding fl names

 ;S Y=$$LIST^ZISH("/dir/","list_root","return_root")

 ;list_root can have XX("A*"), XX("test.com")...

 ;Both arrays passed as $NA values (closed roots).

 N %IO,%X,%ZISH,%ZISH1,%ZISHIO,%ZX,POP,X,%ZISHDL1,%ZISHDL2,%ZISHDN1,%ZISHDN2

 N $ETRAP,$ESTACK S $ETRAP="G LSTEOF^%ZISH",%ZX1=$$DEFDIR($G(%ZX1))

 S %IO=$I,%ZISHDN1="_ZISH"_$J_".TMPA",%ZISHDN2="ZISH"_$J_".TMPB"

 S %ZISHDL1=%ZX1_%ZISHDN1,%ZISHDL2=%ZX1_%ZISHDN2

 S $ZT="G SPAWNERR^%ZISH"

 ;Init %ZISHDL1, %ZISHDL2 by deleteing them

 ;I $ZSEARCH(%ZISHDL1)["ZISH" ZSYSTEM "rm "_%ZISHDL1

 ;I $ZSEARCH(%ZISHDL2)["ZISH" ZSYSTEM "rm "_%ZISHDL2_";*"

 ;Get fls, Build listing in %ZISHDL1 with ls

 S %ZISH1=0,%ZISH=""

 F  S %ZISH=$O(@%ZX2@(%ZISH)) Q:%ZISH=""  D

 . S X=$$LIST1(%ZX1_%ZISH,%ZX1)

LSTEOF S $ZT=""

 I $L(%IO) U:$D(IO(1,%IO)) IO

 ;C %ZISHDL1 ;:DELETE

 ;I $L($ZSEARCH(%ZISHDL2)) ZSYSTEM "DEL "_%ZISHDL2

 ;I $L($ZSEARCH(%ZISHDL1)) ZSYSTEM "DEL "_%ZISHDL1_";*"

 S $ECODE=""

 Q ($Q(@%ZX3)]"")

LIST1(%ZX,%ZD) ;Get one part of the list

 N $ET,$ES S $ET="D LSTERR^%ZISH"

 ;ZSYSTEM "ls -1 "_%ZX_" > "_%ZISHDL1

 ;O %ZISHDL1:readonly:1 U %ZISHDL1

 ;F  R %X:1 Q:$ZEOF  S @%ZX3@(%X)=""

 ;C %ZISHDL1:DELETE

 N %ZY,%ZI,%ZJ

 S %ZY=$ZSEARCH("*.X") ;Clear vector

 S %ZY=$P(%ZX,"*")

 F  S %ZI=$ZSEARCH(%ZX) Q:'$L(%ZI)!(%ZI'[%ZY)  S %ZJ=$P(%ZI,%ZD,2),@%ZX3@(%ZJ)=""

Q 1

LSTERR ;Error in list

 I $ZSEARCH(%ZISHDL2)["ZISH" ZSYSTEM "DEL "_%ZISHDL2_";*"

Q 0

SPAWNERR ;TRAP ERROR OF SPAWN

 O %ZISHDL1:READONLY:1 I $T C %ZISHDL1:DELETE

 S $ECODE=""

Q 0

MV(X1,X2,Y1,Y2) ;ef,SR. Rename a fl

 ;S Y=$$MV^ZISH("/dir/","fl","/dir/","fl")

 N X,Y,%ZISHDL1

 S %ZISHDL1="ZISH"_$J_".TMPA",X1=$$DEFDIR($G(X1)),Y1=$$DEFDIR($G(Y1))

 S $ZT="SPAWNERR^%ZISH"

 ;Pbv or qit

 I (X2="")!(Y2="") Q 0

 ZSYSTEM "mv "_X1_X2_" "_Y1_Y2 ;Use system command

 S Y=$ZSEARCH(Y1_Y2)

 Q $L(Y)>0

PWD() ;ef,SR. Print working directory

N Y

 S Y=$$DEFDIR("")

 S:Y="" Y=$ZDIR

Q Y

DEFDIR(DF) ;ef. Default Dir and frmt

 S DF=$G(DF) Q:DF="." "" ;Special way to get current dir.

 S:DF="" DF=$G(^XTV(8989.3,1,"DEV"))

 ;Check syntax, VMS needs : or [ ]

 I ^%ZOSF("OS")["VMS" D  Q DF ;***EXIT FOR VMS/GTM

 . N P1,P2

 . I DF[":" S P1=$P(DF,":")_":",P2=$P(DF,":",2)

 . E  S P1="",P2=DF

 . I P1="",P2["$" S DF=P2 Q  ;Assume a logical

 . I $L(P2) S:P2'["[" P2="["_P2 S:P2'["]" P2=P2_"]"

 . S DF=P1_P2

. Q

 ;Check syntax, Unix check leading & trailing "/"

 I "./"'[$E(DF) S DF="/"_DF

 I $E(DF,$L(DF))'="/" S DF=DF_"/"

 Q DF

STATUS() ;ef,SR. Return EOF status

 U $I

 Q $ZEOF

EOF(X) ;Eof flag, Pass in $ZA

Q X

QL(X) ;Qlfrs

 Q:X=""

 S:$E(X)'="-" X="-"_X

FL(X) ;Fl len

 N ZOSHP1,ZOSHP2

 S ZOSHP1=$P(X,"."),ZOSHP2=$P(X,".",2)

 I $L(ZOSHP1)>14 S X=4 Q

 I $L(ZOSHP2)>8 S X=4 Q

MAKEREF(HF,IX,OVF) ;Internal call to rebuild global ref.

 ;Return %ZISHF,%ZISHO,%ZISHI,%ZISUB

 N I,F,MX

 S OVF=$G(OVF,"%ZISHOF")

 S %ZISHI=$$QS^DDBRAP(HF,IX),MX=$$QL^DDBRAP(HF) ;

 S F=$NA(@HF,IX-1) ;Get first part

 I IX=1 S %ZISHF=F_"(%ZISHI" ;Build root, IX=1

 I IX>1 S %ZISHF=$E(F,1,$L(F)-1)_",%ZISHI" ;Build root

 S %ZISHO=%ZISHF_","_OVF_",%OVFCNT)" ;Make overflow

 F I=IX+1:1:MX S %ZISHF=%ZISHF_",%ZISUB("_I_")",%ZISUB(I)=$$QS^DDBRAP(HF,I)

 S %ZISHF=%ZISHF_")"

FTG(%ZX1,%ZX2,%ZX3,%ZX4,%ZX5) ;ef,SR. Unload contents of host file into global

 ;p1=host file directory

 ;p2=host file name

 ;p3= $NAME REFERENCE INCLUDING STARTING SUBSCRIPT

 ;p4=INCREMENT SUBSCRIPT

 ;p5=Overflow subscript, defaults to "OVF"

 N %ZA,%ZB,%ZC,%ZL,X,%OVFCNT,%CONT

 N I,%ZISH,%ZISH1,%ZISHI,%ZISHL,%ZISHLGR,%ZISHOF,%ZISHOX,%ZISHS,%ZX,%ZISHY,POP,%ZISUB,%EXIT

 S %ZX1=$$DEFDIR($G(%ZX1)),%ZISHOF=$G(%ZX5,"OVF")

 D MAKEREF(%ZX3,%ZX4,"%ZISHOF")

 D OPEN^%ZISH(,%ZX1,%ZX2,"R")

 I POP Q 0

 N $ETRAP S %EXIT=0,$ETRAP="S %ZA=1,%EXIT=1,$ECODE="""" Q"

 U IO F  K %XX D READNXT(.%XX) Q:$$EOF(%ZA)  D

 . S @%ZISHF=%XX

 . I $D(%XX)>2 F %OVFCNT=1:1 Q:'$D(%XX(%OVFCNT))  S @%ZISHO=%XX(%OVFCNT)

 . S %ZISHI=%ZISHI+1

. Q

 D CLOSE() ;Normal exit

 Q '%EXIT

ERREOF D CLOSE() ;Got error Reading file

Q 0

READNXT(REC) ;

 N T,I,X,%

 U IO R X:2 S %ZA=$ZEOF,REC=$E(X,1,255)

 Q:$L(X)<256

 S %=256 F I=1:1 Q:$L(X)<%  S REC(I)=$E(X,%,%+254),%=%+255

GTF(%ZX1,%ZX2,%ZX3,%ZX4) ;ef,SR. Load contents of global to host file.

 ;Previously name LOAD

 ;p1=$NAME of global reference

 ;p2=incrementing subscript

 ;p3=host file directory

 ;p4=host file name

 N %ZISHY,%ZISHLGR,%ZISHOX

 S %ZISHY=$$MGTF(%ZX1,%ZX2,$G(%ZX3),%ZX4,"W")

 Q %ZISHY

GATF(%ZX1,%ZX2,%ZX3,%ZX4) ;ef,SR. Append to host file.

 ;p1=$NAME of global reference

 ;p2=incrementing subscript

 ;p3=host file directory

 ;p4=host file name

 N %ZISHY

 S %ZISHY=$$MGTF(%ZX1,%ZX2,$G(%ZX3),%ZX4,"A")

 Q %ZISHY

MGTF(%ZX1,%ZX2,%ZX3,%ZX4,%ZX5) ;

 ;p1=$NAME of global reference

 ;p2=incrementing subscript

 ;p3=host file directory

 ;p4=host file name

 N %ZISH,%ZISH1,%ZISHI,%ZISHL,%ZISHLGR,%ZISHS,%ZISHOX,IO,%ZX,Y

 D MAKEREF(%ZX1,%ZX2)

 D OPEN^%ZISH(,%ZX3,%ZX4,%ZX5) ;Default dir set in open

 I POP Q 0

N X

 N $ETRAP S $ETRAP="",X="ERREOF^%ZISH",@^%ZOSF("TRAP")

 F  Q:'($D(@%ZISHF)#2)  S %ZX=@%ZISHF,%ZISHI=%ZISHI+1 U IO W %ZX,!

 D CLOSE() ;Normal Exit

Q 1

ZISHGUX.m