bash/tests/procsub.tests

# 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