Zero length arguments considered invalid

[gar1t]

> exec:run(["/bin/echo", ""], [sync, stdout]).
{error,"badarg: invalid command argument #1"}

Looking at ei++.hpp decodeString the change wasn't obvious to me.

[saleyn]

Why are you using this syntax as opposed to any one of the following?

2> exec:run("/bin/echo", [sync, stdout]).
{ok,[{stdout,[<<"\n">>]}]}
3> exec:run(["/bin/echo"], [sync, stdout]).
{ok,[{stdout,[<<"\n">>]}]}

[gar1t]

This is just an example to highlight the behavior - my goal here isn't to echo chars :)

A zero length argument is a valid argument and this behavior prohibits their use.

[gar1t]

It's admittedly not a common case, but there are times when you may want to indicate that a particular argument exists positionally but is empty.

[saleyn]

I pushed the fix that takes care of it.

[gar1t]

Terrific - thanks!