On 15 Jan 2018, at 0:46, Vlad Ghitulescu wrote:
(sorry for the following dumb questions… I've used Linux last time
in 1993! :-)
What are the GNU Coreutils good for?
Should I install them too? (I've read about the difference in the
performance of the various randomizer solutions in the previous cited
StackOverflow-threads)
And if so, how?
They provide roughly the same functionality as the standard UNIX
utilities that come with macOS. (Which come from a BSD lineage.) I like
them because I used Linux for years and get tripped up by the
differences in the command-line interfaces. If you don’t have this
problem, then I don’t think there’s a good reason to install the GNU
versions.
The Perl solution should be fine for your purposes. It will randomize
correctly (unlike `sort -R`, which actually sorts by an arbitrary, but
not random, characteristic of the data), and performance should be
acceptable.
That worked even whitout making the file Randomize.sh executable with
chmod +x Randomize!
Take a look:
Vlads27iMac2012:Text Filters Vlad$ ls -al
total 48
drwxr-xr-x@ 5 Vlad staff 170 14 Jan 21:17 .
drwxr-xr-x@ 17 Vlad staff 578 15 Jan 06:44 ..
-rwxr-xr-x@ 1 Vlad staff 111 1 Nov 2016
Delete_Viewed_Video_in_Lynda_TOC.pl
-rwxr--r--@ 1 Vlad staff 69 15 Jan 06:32 Randomize.sh
-rwxr-xr-x@ 1 Vlad staff 80 4 Nov 2015
Selection_To_Numbered_List.sh
How is this possible?
See the `x` in column 4? That indicates that `Randomize.sh` is in fact
executable, _by the owner_ (you). BBEdit also runs as you, so it can
execute the script just fine.
Just a note: BBEdit doesn’t care, but to avoid future human confusion
you might want to change `Randomize.sh` to `Randomize.pl` since it’s a
Perl script now.
-sam
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