tools/regression/bin/sh/expansion/cmdsubst24.0

   1 # $FreeBSD: head/bin/sh/tests/expansion/cmdsubst24.0 317347 2017-04-23 21:58:17Z jilles $
   2 # POSIX leaves the effect of NUL bytes in command substitution output
   3 # unspecified but we have always discarded them.
   4
   5 failures=0
   6
   7 check() {
   8         if [ "$2" != "$3" ]; then
   9                 printf "Failed at line %s: got \"%s\" expected \"%s\"\n" "$1" "$2" "$3"
  10                 : $((failures += 1))
  11         fi
  12 }
  13
  14 fmt='\0a\0 \0b\0c d\0'
  15 assign_builtin=$(printf "$fmt")
  16 check "$LINENO" "$assign_builtin" "a bc d"
  17 assign_pipeline=$(printf "$fmt" | cat)
  18 check "$LINENO" "$assign_pipeline" "a bc d"
  19 set -- $(printf "$fmt") $(printf "$fmt" | cat) "$(printf "$fmt")" "$(printf "$fmt" | cat)"
  20 IFS=@
  21 splits="$*"
  22 check "$LINENO" "$splits" "a@bc@d@a@bc@d@a bc d@a bc d"
  23
  24 [ "$failures" = 0 ]