shell提取表名
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#提取表名所在的行及接下來兩行。
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find . -name *DaoImpl.java -exec grep getDbQualifier {} -A 2 \; >mine.txt
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#提取表名，小寫轉大寫, 排序，去重
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egrep -o "\.FMS\w+\s" mine.txt | tr 'a-z' 'A-Z' | sort | uniq > output.txt
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#去掉行首點號
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sed -i 's/^[.]//g' output.txt
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#去掉行尾空白
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sed -i 's/[ ]*$//g' output.txt
批量建目錄:
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awk 'BEGIN{print "printing"}{system("mkdir "$1)}END{print "ending"}' us.txt
