tests/vredir5.sub

   1 swizzle()
   2 {
   3 exec {fd0}<&0
   4 exec {fd1}>&1
   5
   6 exec {stdin}<&$fd0-
   7 exec {stdout}>&$fd1-
   8 }
   9
  10 swizzle
  11
  12 echo $stdin $stdout
  13
  14 read line <&$stdin <<EOF
  15 a
  16 EOF
  17
  18 echo $line
  19 echo $line >&$stdout
  20
  21 type swizzle
  22
  23 exit 0