commit bash-20171208 snapshot

tests/procsub.right

@@ -0,0 +1,28 @@
+test1
+foo
+test2
+test3
+test4
+       8
+test5
+test6
+test7
+test8
+test8a
+test9
+hi
+bye
+l8r
+::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+intern
+       1
+       0
+       0
+       0
+       0
+extern
+       1
+       0
+       0
+       0
+       0

tests/procsub.tests

@@ -0,0 +1,93 @@
+# process substitution constructs that have caused problems in the past
+
+eval cat <(echo test1)
+eval "echo foo;cat" <(echo test2)
+
+unset f
+f=<(echo test3); cat "$f"
+
+unset f
+eval f=<(echo test4) "; cat \$f"
+
+unset f
+
+FN=$TMPDIR/bashtest-procsub-$$
+cat >"$FN" <<EOF
+echo "test 12" | wc -c
+cat "\$1"
+EOF
+
+source "$FN" <(echo test5)
+rm -f "$FN"
+unset FN
+
+cat <( echo test6 ) <( echo test7 )
+cat <( echo test8 ; sleep 2; echo test8a ) <( echo test9 )
+
+# Zev Weiss 11/7/2012
+fn() { cat | cat "$1"; }
+fn <(:) < /dev/null
+
+unset -f fn
+
+f1(){
+  cat $1
+  date >/dev/null
+}
+f2(){
+  date >/dev/null
+  cat $1
+}
+cat <(echo hi)
+f1 <(echo bye)
+f2 <(echo l8r)
+
+unset -f f1 f2
+
+moo() { ls -l "$1" >/dev/null; ls -l "$1" >/dev/null; }; moo >(true)
+moo() { ls -al "$1" >/dev/null; (true); ls -al "$1" >/dev/null; }; moo >(true)
+
+unset -f moo
+
+bug()
+{
+c=$(ulimit -n)
+let c+=100
+while let c--
+do
+	while read -ru3 x
+	do
+		echo -n :
+	done 3< <(echo x)
+done
+echo
+}
+
+bug
+unset -f bug
+
+count_lines()
+{
+    wc -l < $1
+    wc -l < $1
+    wc -l < $1
+    true | wc -l < $1
+    wc -l < $1
+}
+
+echo intern
+count_lines <(date)
+unset -f count_lines
+
+echo extern
+FN=$TMPDIR/bashtest-$$
+cat >$FN <<EOF
+wc -l < \$1
+wc -l < \$1
+wc -l < \$1
+true | wc -l < \$1
+wc -l < \$1
+EOF
+
+${THIS_SH} -c "source $FN <(date)"
+rm -f $FN

tests/run-procsub

@@ -0,0 +1,6 @@
+echo "warning: all of these tests will fail if process substitution has not" >&2
+echo "warning: been compiled into the shell or if the OS does not provide" >&2
+echo "warning: /dev/fd." >&2
+
+${THIS_SH} ./procsub.tests > ${BASH_TSTOUT} 2>&1
+diff ${BASH_TSTOUT} procsub.right && rm -f ${BASH_TSTOUT}