如何去除mac地址前面的零

hazhuyg

假使a=00:ae:0d:ee:02:03如何實現(xiàn)將a=0:ae:d:ee:2:3

yinyuemi

回復(fù) 1# hazhuyg

sed 's/0\([0-9]\)/\1/g'

moperyblue

1. sed 's/0\B//g'
   
2. sed 's/\b0//g'

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jcdiy0601

1. echo "00:ae:0d:ee:02:03"|sed 's/0\([0-9a-zA-Z]\)/\1/g'

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sunzhiguolu

1. perl -e 'print "00:ae:0d:ee:02:03"=~s/\b0//gr'

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0:ae:d:ee:2:3

杰瑞26

1. root@localhost:~# echo "a=00:ae:0d:ee:02:03" | sed -r 's:0([0-9A-Za-z]):\1:g'
   
2. a=0:ae:d:ee:2:3
   

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hazhuyg

回復(fù) 3# moperyblue

\B表示什么

moperyblue

回復(fù) 8# hazhuyg

可以百度它
或
info sed

=>

`\B'
     Matches everywhere but on a word boundary; that is it matches if
     the character to the left and the character to the right are
     either both "word" characters or both "non-word" characters.