w*s
发帖数: 7227 | 1 looking for a simple 1 line solution,
e.g.
tmpfs 200 5 195 2% /tmp
it should return 200.
thanks ! | x****s
发帖数: 921 | 2 in your particular sample, always print 2nd field is easier:
df -m | awk ' { print $2 } ' | I*****y
发帖数: 602 | 3 正则表达式？
\d+
【在 w*s 的大作中提到】
: looking for a simple 1 line solution,
: e.g.
: tmpfs 200 5 195 2% /tmp
: it should return 200.
: thanks !
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