3 ms·

You'd never do [ "x$left" = "x$right" ], but [ x$left = x$right ]. The whole reason for the x-hack was to omit the double-quotes. With the dquotes you can of co

by rurban 4y ago

You'd never do [ "x$left" = "x$right" ], but [ x$left = x$right ]. The whole reason for the x-hack was to omit the double-quotes. With the dquotes you can of course leave the x out. [ "$left" = "$right" ]

pyentropy 4y ago
No you can't. Read the post.
- deleted 4y ago
  [deleted]
Karellen 4y ago
What happens if you use the x hack but $left has a space in it?
- rurban 4y ago
  Then you get a nice syntax error, that you didn't properly split your string. Good point
  - layer8 4y ago
    You won't get a syntax error if it happens to result in valid syntax (but likely unintended semantics).