1 # fixes for bugs in bash-4.2 regarding empty strings in expand_string_for_rhs
21 recho ${foo/bb/$empty}
32 recho ${S2^"$v"[aeiou]}
33 recho ${S2^^"$v"[aeiou]}
41 if [[ $var == "" ]]; then
45 if [[ "$var"X == ""X ]]; then
49 if [ "$var"X == ""X"" ]; then
57 if [[ X"" == X ]]; then
64 x??) echo 'this would be really odd'
66 x?) echo 'does this prove anything?'
73 if [[ x"" == x ]]; then
77 if [[ x"
\ 1" == x"
\ 1" ]]; then
88 if [[ x"
\7f" == x"
\7f" ]]; then
100 "x
\7f") echo CTLNUL 7 ;;