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selftests: gpio: Use "grep -E" instead of "egrep"
The latest version of grep claims the egrep is now obsolete so the build now contains warnings that look like: egrep: warning: egrep is obsolescent; using grep -E fix this up by moving the related file to use "grep -E" instead. sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/testing/selftests/gpio` Here are the steps to install the latest grep: wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz tar xf grep-3.8.tar.gz cd grep-3.8 && ./configure && make sudo make install export PATH=/usr/local/bin:$PATH Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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@ -27,7 +27,7 @@ remove_chip() {
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continue
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fi
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LINES=`ls $CONFIGFS_DIR/$CHIP/$BANK/ | egrep ^line`
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LINES=`ls $CONFIGFS_DIR/$CHIP/$BANK/ | grep -E ^line`
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if [ "$?" = 0 ]; then
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for LINE in $LINES; do
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if [ -e $CONFIGFS_DIR/$CHIP/$BANK/$LINE/hog ]; then
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