tests/lastpipe2.sub

   1 shopt -s lastpipe
   2 echo -e 'A\nB' | while read letter; do
   3     echo -e '1\n2' | while read digit; do
   4         echo $letter$digit
   5     done
   6 done
   7
   8 myPipefunc()
   9 {
  10     cat | tee $TMPDIR/outfile
  11 }
  12 echo HI | myPipefunc
  13
  14 echo -e 'A\nB' | while read letter; do
  15     echo -e '1\n2' | while read digit; do
  16         echo $letter$digit | myPipefunc
  17     done
  18 done
  19
  20 rm -f $TMPDIR/outfile
  21
  22 unset -f myPipefunc
  23 myPipefunc()
  24 {
  25     cat | read var
  26     return 42
  27 }
  28 echo HI | myPipefunc
  29
  30 echo $var -- $? -- ${PIPESTATUS[@]}