# xin --- execute a program in all directories in which it occurs

   declare _search_rule = "^int,=bin=/&,=lbin=/&,^var,&"
   declare od = [cd -p]

   =src=/misc/mkxin [arg 1] [arg 2] >=temp=/xn=pid=

   =temp=/xn=pid=    # don't use a pipe so we can restart it

   del =temp=/xn=pid=
   cd [od]