Like
  expr {sqrt($foo) < 3.7 && $bazflag > 0}

Instead of
  expr sqrt($foo) < 3.7 && $bazflag > 0

Same for the first argument to “if”, second argument to “for”, etc.

On 12/4/17, 9:27 AM, "sqlite-users on behalf of Cecil Westerhof" 
<[email protected] on behalf of 
[email protected]> wrote:

    2017-12-04 15:24 GMT+01:00 Gerry Snyder <[email protected]>:
    
    > It is always a good idea to put the arguments of [expr] in braces. That 
way
    > they are byte-compiled.
    >
    
    ​You mean like:
        exec {swapon} (--noheadings} {--show}



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