Re: Is perl still the No.1 language for sysadmin?

[Michel Verdier <mv524@free.fr>]

Le 3 avril 2023 Greg Wooledge a écrit :

> Here's a bash version.  It's not fast, but at least it doesn't invoke
> perl repeatedly.  (If you're going to invoke perl *at all* you should
> simply rewrite the whole thing in perl, IMHO, or at worst have a short
> sh script that pipes file's output to one perl invocation.)

perl version:
real	0m7,666s
user	0m2,871s
sys	0m5,054s

bash version:
real	0m23,890s
user	0m24,476s
sys	0m2,113s

whole files are in cache so no io for both.
but you count links, remember /(s)bin can be now a link to /usr/(s)bin