tests/grep-dir

   1 #!/bin/sh
   2 # Case-insensitive grep with a 0-size input file would fail in grep up to 2.6.3
   3 . "${srcdir=.}/init.sh"; path_prepend_ ../src
   4
   5 mkdir a || framework_failure
   6
   7 # Lower and upper bound of valid exit status for "grep -f DIR",
   8 # when reading from empty and nonempty files, respectively.
   9 if cat a >acopy 2>&1 && cmp a acopy; then
  10   l=1 u=1 L=0 U=1
  11 else
  12   l=2 u=127 L=2 U=127
  13 fi
  14
  15 status_range ()
  16 {
  17   status=$?
  18   { test $1 -le $status && test $status -le $2; } || fail=1
  19 }
  20
  21 echo x | grep -f a/; status_range $L $U
  22 echo x | grep -if a/; status_range $L $U
  23 echo x | grep -Ff a/; status_range $L $U
  24 echo x | grep -Fif a/; status_range $L $U
  25
  26 grep -f a/ < /dev/null; status_range $l $u
  27 grep -if a/ < /dev/null; status_range $l $u
  28 grep -Ff a/ < /dev/null; status_range $l $u
  29 grep -Fif a/ < /dev/null; status_range $l $u
  30
  31 Exit $fail