On 08/14/2018 11:32 AM, Karel Zak wrote: > On Mon, Aug 13, 2018 at 10:57:01PM +0200, Bernhard Voelker wrote: >> Well, this might become slightly trickier with real shell or environment >> variables wrt/ correct shell quoting: >> >> $ VAR='some value' >> $ su -c 'env VAR="'"$VAR"'" myscript' user > > Well, probably usable way for scripts, but ugly for users on command line. > > All the idea behind the patch is make things more user-friendly > > su -w GREP_COLOR,COLORFGBG - kzak > > seems better than assume -c 'env VAR ..." +1 your point. ;-) A difference is that -c 'env VAR ..." works also with shell variables while -w filters exported variables only. I think this not a big deal. Regarding your implementation: I suggest to warn when -w is used together with -m, -p, --preserve-environment. WDYT? Have a nice day, Berny
