cmd
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
function old new delta builtin_exec 25 83 +58 parse_stream 2242 2261 +19 run_pipe 1782 1787 +5 static.pseudo_null_str - 3 +3 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/0 up/down: 85/0) Total: 85 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Sometimes variable expansions yield empty strings, and if they happen to be a command someone wants to run like `$foo`, then hush currently segfaults. So handle `` and $(). Signed-off-by: Mike Frysinger <vapier@gentoo.org>