tests/exec10.sub

   1 #   This program is free software: you can redistribute it and/or modify
   2 #   it under the terms of the GNU General Public License as published by
   3 #   the Free Software Foundation, either version 3 of the License, or
   4 #   (at your option) any later version.
   5 #
   6 #   This program is distributed in the hope that it will be useful,
   7 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 #   GNU General Public License for more details.
  10 #
  11 #   You should have received a copy of the GNU General Public License
  12 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  13 #
  14 # post bash-4.3 changes to how command -p works (avoid modifying $PATH)
  15
  16 : ${TMPDIR=/tmp}
  17 xpath=/usr/local/bin:/usr/GNU/bin:/usr/bin:/bin:.
  18
  19 # set a value of PATH we can test for; versions of bash up to and including
  20 # bash-4.3 would set $PATH while running command -p
  21 PATH=$xpath
  22 export PATH
  23 command -p sh -c 'echo $PATH'
  24
  25 PATH=${TMPDIR}
  26 command -pv cat >/dev/null || echo "cannot find cat using standard path"
  27 command -p cat < /dev/null
  28 #hash
  29
  30 PATH=$xpath
  31 command -pv cat >/dev/null || echo "cannot find cat using xpath"
  32 PATH=$TMPDIR command -pv cat >/dev/null || echo "cannot find cat using standard path with PATH=\$TMPDIR"
  33 PATH= command -pv cat >/dev/null || echo "cannot find cat using standard path with empty \$PATH"
  34 PATH=$TMPDIR command -v cat >/dev/null || echo "cannot find cat in \$TMPDIR"
  35 PATH= command -v cat >/dev/null || echo "cannot find cat with empty \$PATH"
  36
  37 echo PATH = $PATH
  38 hash cat
  39
  40 PATH=$xpath
  41
  42 PATH=$TMPDIR command -pv cat >/dev/null || echo "cannot find cat using stdpath with hash"
  43 PATH= command -pv cat >/dev/null || echo "cannot find cat using stdpath with hash"
  44 PATH=$TMPDIR command -v cat >/dev/null || echo "cannot find cat in \$TMPDIR with hash"
  45 PATH= command -v cat >/dev/null || echo "cannot find cat with empty \$PATH with hash"
  46
  47 echo PATH = $PATH