xref: /openbsd-src/gnu/usr.bin/perl/vms/genopt.com (revision 79cd0b9ae197e67390710f96587afb9169e5346d)
1$! generates options file for vms link
2$! p1 is filename and mode to open file (filename/write or filename/append)
3$! p2 is delimiter separating elements of list in p3
4$! p3 is list of items to be written, one per line, into options file
5$!
6$ open file 'p1'
7$ element=0
8$loop:
9$ x=f$element(element,p2,p3)
10$ if x .eqs. p2 then goto out
11$ y=f$edit(x,"COLLAPSE")  ! lose spaces
12$! Expand potential name-only args so we find shareable images
13$! either via a logical name or in the default location
14$ if y .nes. "" .and. -
15     f$locate("/SHARE",f$edit(y,"UPCASE")) .ne. f$length(y)
16$ then
17$   name = f$element(0,"/",y)
18$   tail = f$extract(f$length(name),1024,y)
19$   if f$trnlnm(name) .eqs. ""  ! If it's a logical name, assume it's OK as is
20$   then
21$     name = f$parse(name,"sys$share:.exe;")   ! Look where image activator will
22$     name = f$search(name)                    ! Does it really exist?
23$     if name .nes. ""
24$     then
25$       name = name - f$parse(name,,,"version")  ! Insist on current version
26$       y = name + tail
27$     endif
28$  endif
29$ endif
30$ if y .nes. "" then write file y
31$ element=element+1
32$ goto loop
33$!
34$out:
35$ close file
36$ exit
37