On Monday, January 7, 2019 at 8:55:21 AM UTC+13, 38spl wrote:
> the following is valid bash(1) code to trim the last character of a string:
>
> string="${string::$((${#string}-1))}"
>
> The characters in bold above are highlighted as if they are syntax errors.
>From :help sh.vim:
One may specify a global default by instantiating one of the following
variables in your <.vimrc>:
...
bash:
let g:is_bash = 1
...
If there's no "#! ..." line, and the user hasn't availed himself/herself of
a default sh.vim syntax setting as just shown, then syntax/sh.vim will assume
the Bourne shell syntax.
If I add a shebang line, #/bin/bash, or I let g:is_bash = 1 in my .vimrc, that
line of code is highlighted without indicating an error.
So, in your vim, what does this say:
:echo b:is_bash
if it says E121: Undefined variable: b:is_bash then the code has not been
recognized as bash.
Note that setting is_bash doesn't have an effect immediately, only after a
reload or otherwise re-executing the syntax script, by, say, turning syntax off
and on.
Regards, John Little
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