Le mardi 18 mai 2010 à 22:49 +0200, Yann Droneaud a écrit : > Le mardi 18 mai 2010 à 10:45 -0700, Linus Torvalds a écrit : > > > > On Tue, 18 May 2010, Yann Droneaud wrote: > > > > > > -if locale -a |grep -q en_US.utf8; then > > > +if locale -a |grep -qE '^en_US\.(utf|UTF)-?8$'; then > > > > While -E is POSIX, I suspect that it's not universal. iirc, you still have > > some really crap fileutils tools coming with Solaris, for example. > > > > You're right, Solaris's own grep doesn't known about -E nor -e. > > And it even doesn't know about -q : > > $ grep -q > grep: illegal option -- q > Usage: grep -hblcnsviw pattern file . . . > Integrating Linus's remarks and some autoconf[1][2] hints, here is a proposal for a portable test: if locale -a |grep -i 'en_US\.utf-*8' > /dev/null ; then It should be as portable as possible without too much work. [1] egrep <http://www.gnu.org/software/autoconf/manual/html_node/Limitations-of-Usual-Tools.html#index-g_t_0040command_007begrep_007d-1706> [2] grep <http://www.gnu.org/software/autoconf/manual/html_node/Limitations-of-Usual-Tools.html#index-g_t_0040command_007bgrep_007d-1712> Regards. -- Yann Droneaud -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html