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9/boot/net.rc: suppress error from grep if ethernet ifstats file is not found

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this can happen with nusb/ether, which does not implement ifstats file.
This commit is contained in:
cinap_lenrek 2019-12-04 21:56:13 +01:00
parent f7db45e628
commit c9570c14af
1 changed files with 1 additions and 1 deletions
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2
sys/src/9/boot/net.rc
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@ -10,7 +10,7 @@ fn confignet{
# setup wifi encryption if any
if(~ $1 ether && test -x /bin/aux/wpa){
essid=`{grep '^essid: ' $2/ifstats | sed 's/^essid: //; q'}
essid=`{grep '^essid: ' $2/ifstats >[2]/dev/null | sed 's/^essid: //; q'}
if(! ~ $#essid 0){
if(! ~ $#wpapsk 0 || grep -s '^status: need authentication' $2/ifstats >[2]/dev/null){
x=(aux/wpa -s $"essid)