Break out deltree in its' own command procedure.

test/testca.com

@@ -11,7 +11,7 @@ $
 $	set noon
 $	if f$search("demoCA.dir") .nes. ""
 $	then
-$	    call deltree [.demoCA]*.*
+$	    @[-.utils]deltree [.demoCA]*.*
 $	    set file/prot=(S:RWED,O:RWED,G:RWED,W:RWED) demoCA.dir;*
 $	    delete demoCA.dir;*
 $	endif
@@ -38,7 +38,7 @@ $	@[-.apps]CA.com -verify newcert.pem
 $	if $severity .ne. 1 then exit 3
 $
 $	set noon
-$	call deltree [.demoCA]*.*
+$	@[-.utils]deltree [.demoCA]*.*
 $	set file/prot=(S:RWED,O:RWED,G:RWED,W:RWED) demoCA.dir;*
 $	delete demoCA.dir;*
 $	if f$search("newcert.pem") .nes. "" then delete newcert.pem;*
@@ -47,32 +47,3 @@ $	set on
 $!	#usage: CA -newcert|-newreq|-newca|-sign|-verify
 $
 $	exit
-$
-$ deltree: subroutine ! P1 is a name of a directory
-$	on control_y then goto dt_STOP
-$	on warning then goto dt_exit
-$	_dt_def = f$trnlnm("SYS$DISK")+f$directory()
-$	if f$parse(p1) .eqs. "" then exit
-$	set default 'f$parse(p1,,,"DEVICE")''f$parse(p1,,,"DIRECTORY")'
-$	p1 = f$parse(p1,,,"NAME") + f$parse(p1,,,"TYPE")
-$	_fp = f$parse(".DIR",p1)
-$ dt_loop:
-$	_f = f$search(_fp)
-$	if _f .eqs. "" then goto dt_loopend
-$	call deltree [.'f$parse(_f,,,"NAME")']*.*
-$	goto dt_loop
-$ dt_loopend:
-$	_fp = f$parse(p1,".;*")
-$	if f$search(_fp) .eqs. "" then goto dt_exit
-$	set noon
-$	set file/prot=(S:RWED,O:RWED,G:RWED,W:RWED) '_fp'
-$	set on
-$	delete/nolog '_fp'
-$ dt_exit:
-$	set default '_dt_def'
-$	exit
-$ dt_STOP:
-$	set default '_dt_def'
-$	stop/id=""
-$	exit
-$	endsubroutine

util/deltree.com

+$! DELTREE.COM
+$
+$ call deltree 'p1'
+$ exit $status
+$
+$ deltree: subroutine ! P1 is a name of a directory
+$	on control_y then goto dt_STOP
+$	on warning then goto dt_exit
+$	_dt_def = f$trnlnm("SYS$DISK")+f$directory()
+$	if f$parse(p1) .eqs. "" then exit
+$	set default 'f$parse(p1,,,"DEVICE")''f$parse(p1,,,"DIRECTORY")'
+$	p1 = f$parse(p1,,,"NAME") + f$parse(p1,,,"TYPE")
+$	_fp = f$parse(".DIR",p1)
+$ dt_loop:
+$	_f = f$search(_fp)
+$	if _f .eqs. "" then goto dt_loopend
+$	call deltree [.'f$parse(_f,,,"NAME")']*.*
+$	goto dt_loop
+$ dt_loopend:
+$	_fp = f$parse(p1,".;*")
+$	if f$search(_fp) .eqs. "" then goto dt_exit
+$	set noon
+$	set file/prot=(S:RWED,O:RWED,G:RWED,W:RWED) '_fp'
+$	set on
+$	delete/nolog '_fp'
+$ dt_exit:
+$	set default '_dt_def'
+$	goto dt_end
+$ dt_STOP:
+$	set default '_dt_def'
+$	stop/id=""
+$	exit
+$ dt_end:
+$	endsubroutine