On 9/25/18 9:04 AM, dirk+b...@testssl.sh wrote:
> FYI: I ended up checking with type before whether an external printf
> exists and set a variable for this and then just call this variable.
>
> env or exec: never thought about it (thanks!) but as both are external
> commands, that would mean upon every call one additional external program.
> (yes, I know that there is such thing as a fs buffer). Subshells also costs
> resources. As this is a core function I am happy for every homeopathic dose
> of time I safe here :-)
`exec' is a shell builtin. It will `cost' in terms of a fork, but you're
going to fork and exec a different program anyway -- /usr/bin/printf --
so it's basically a wash. In either case, there's one fork and one
execve.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU c...@case.edu http://tiswww.cwru.edu/~chet/
