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echo "fillrandom: 90.2micros/op; 55.6 MB/s" |sed -ne "s/fillrandom: *\([0-9\.]\+\).*/\1/p"
匹配第二个:
echo "fillrandom: 90.2micros/op; 55.6 MB/s" |sed -ne "s/.*; *\([0-9\.]\+\).*/\1/p"
两个都留:
echo "fillrandom: 90.2micros/op; 55.6 MB/s" |sed -ne "s/fillrandom: *\([0-9\.]\+\).*; *\([0-9\.]\+\).*/\1 \2/p"
[/quote]echo "fillrandom: 90.2micros/op; 55.6 MB/s" |sed -ne "s/fillrandom: *\([0-9\.]\+\).*/\1/p"
匹配第一个:
echo "fillrandom: 90.2micros/op; 55.6 MB/s" |sed -ne "s/.*; *\([0-9\.]\+\).*/\1/p"
两个都留:
echo "fillrandom: 90.2micros/op; 55.6 MB/s" |sed -ne "s/fillrandom: *\([0-9\.]\+\).*; *\([0-9\.]\+\).*/\1 \2/p"