Hello Jo, I answered John, without realising that you described a similar use case.
The for loop as you describe should solve the problem as well. Kind regards, Michel Stam -----Original Message----- From: openwrt-devel [mailto:openwrt-devel-boun...@lists.openwrt.org] On Behalf Of Jo-Philipp Wich Sent: Friday, October 03, 2014 19:37 PM To: openwrt-devel@lists.openwrt.org Subject: Re: [OpenWrt-Devel] [PATCH] mac80211: remove error from detectscript Hi Michel, John. >> - for dev in $(ls /sys/class/ieee80211); do >> + for dev in $(ls /sys/class/ieee80211 2>/dev/null); do > what error do you see ? if you see an error we should try to fix that > rather than supressing it I suppose the case when "wifi detect" is invoked but no phy exists on the system (e.g. because the radio hardware is not installed - think USB). In this case the entire /sys/class/ieee80211 is likely missing which will cause "ls" to print a "No such file or directory" error. Actually I do not really like that whole "for x in $(ls ...)" construct, something like the following would save one fork and also not produce errors: for dev in /sys/class/ieee80211/*; do if [ -h "$dev" ]; then # do something with ${dev##*/} fi done ~ Jow _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
