ruby 一行写法

shijiang1130

ruby -pe 'puts' < file.txt

bikong0411

额，这没啥意思哇

shijiang1130

1. ruby -lne 'BEGIN{$/="\n\n"}; puts $_' < file.txt

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shijiang1130

1. ruby -ne 'BEGIN{$/="\n\n"}; print $_ if $_ =~ /(foo|bar|baz)/' < file.txt

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shijiang1130

1. ruby -pe 'next unless $_ =~ /(foo|bar|baz)/' < file.txt

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gr33n

额，相当好用的

shijiang1130

1. perl -e '5.times {print "Here you are~"}'

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shijiang1130

1. ruby -e 'exit unless "我们中".include? "你"'

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shijiang1130

1. ruby -e "['toast','cheese','wine'].each{ |a| print a.capitalize}"

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shijiang1130

1. ruby -rnet/http -e  'puts Net::HTTP.start("www.lookdata.cn",80).get("/").body'

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