Bash-4.4 distribution sources and documentation

tests/exec10.sub

@@ -0,0 +1,34 @@
+# post bash-4.3 changes to how command -p works (avoid modifying $PATH)
+
+: ${TMPDIR=/tmp}
+xpath=/usr/local/bin:/usr/GNU/bin:/usr/bin:/bin:.
+
+# set a value of PATH we can test for; versions of bash up to and including
+# bash-4.3 would set $PATH while running command -p
+PATH=$xpath
+export PATH
+command -p sh -c 'echo $PATH'
+
+PATH=${TMPDIR}
+command -pv cat	>/dev/null || echo "cannot find cat using standard path"
+command -p cat < /dev/null
+#hash
+
+PATH=$xpath
+command -pv cat >/dev/null || echo "cannot find cat using xpath"
+PATH=$TMPDIR command -pv cat >/dev/null || echo "cannot find cat using standard path with PATH=\$TMPDIR"
+PATH= command -pv cat >/dev/null || echo "cannot find cat using standard path with empty \$PATH"
+PATH=$TMPDIR command -v cat >/dev/null || echo "cannot find cat in \$TMPDIR"
+PATH= command -v cat >/dev/null || echo "cannot find cat with empty \$PATH"
+
+echo PATH = $PATH
+hash cat
+
+PATH=$xpath
+
+PATH=$TMPDIR command -pv cat >/dev/null || echo "cannot find cat using stdpath with hash"
+PATH= command -pv cat >/dev/null || echo "cannot find cat using stdpath with hash"
+PATH=$TMPDIR command -v cat >/dev/null || echo "cannot find cat in \$TMPDIR with hash"
+PATH= command -v cat >/dev/null || echo "cannot find cat with empty \$PATH with hash"
+
+echo PATH = $PATH