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[0 No.2033 huan@huan ~/iso]$ echo "a b" | grep -e 'a' -e 'b'
a b
[0 No.2034 huan@huan ~/iso]$ echo "a b" | grep -E '(a.*b)|(b.*a)'
a b
[0 No.2035 huan@huan ~/iso]$ echo "a b" | grep 'a' | grep 'b'
a b
[/code]
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[code]
[0 No.2036 huan@huan ~/iso]$ echo "a b" | awk '/a/ && /b/'
a b
[0 No.2037 huan@huan ~/iso]$ echo "a b" | perl -ne ' print if /a/ and /b/'
a b
[/code] ÓÖѧϰÁË :) ºÇºÇ£¬²»´íµÄ˵¡£ ѧϰ ѧϰ [quote]
davistar@davi ~$ echo "a b" |grep -e 'a' -e 'c'
a b
davistar@davi ~$ echo "a b" |grep -E '(a.*b)|(c.*a)'
a b
davistar@davi ~$ echo "a b" | grep 'a'
a b
davistar@davi ~$ echo "a b" | grep 'b'
a b
[/quote]
grepÓ¦¸ÃûÓÐÓëµÄ¹ØÏµ°É [code]
[0 No.1997 huan@huan ~]$ echo "a b" |grep -e 'a' -e 'c'
a b
[/code]
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