On Sun, Jul 07, 2019 at 11:58:21AM +0200, john doe wrote: > On 7/6/2019 9:34 PM, mick crane wrote: > > As per recent post ( don't want to trash somebody's home directory ) I > > was wondering what is the etiquette of sharing executable files. > > I've never really thought about giving executable files to anybody but > > just recently while I'm getting my bits of code to work I was thinking > > "I have to be a bit careful what I put here because I might delete > > something I'd be unhappy about. > > And then hmmm, if I did give this to somebody else if they didn't know > > what did what they might trash they're home directory. > > I decided to follow the advice and not delete anything and I don't need > > to need to renumber now. > > And I decided to go through everything and put in error checking as much > > as able. > > So the question is about the etiquette. > > Install scripts could make directories willy nilly in user home > > directory but you might think that could be rude ? > > Then test if the script is run as root and restrict where the script can > work in (/tmp/...) > > > And what happens if by mischance there already exists a directory with > > the same name ? > > Use as part of your directory name a random string:
Please. Don't reinvent that wheel. Use mktemp and family. Available as (C) library function, shell command and Perl module (use File::Temp for that). I'm sure other languages with enough roots in an Unix-like operating system will have some variation on that. It's not exactly trivial to roll that on your own and avoid collisions and/or race conditions. Cheers -- tomás
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