shell读取文件每一行的方式

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http://blog.163.com/clevertanglei900@126/blog/static/1113522592011625112619590/

1 -- SHELL读取文件的方法
#使用read命令读取一行数据
while read myline
do
echo "LINE:"$myline
done < datafile.txt

#使用read命令读取一行数据
cat datafile.txt | while read myline
do
echo "LINE:"$myline
done

#读取一行数据
cat datafile.txt | while myline=$(line)
do
echo "LINE:"$myline
done

#读取一行数据
while myline=$(line)
do
echo "LINE:"$myline
done < datafile.txt

#使用read命令读取变量数据
cat datafile.txt | while read paraa parab parac
do
echo "PARAA:"$paraa
echo "PARAB:"$parab
echo "PARAC:"$parac
done

#使用read命令读取变量数据
while read paraa parab parac
do
echo "PARAA:"$paraa
echo "PARAB:"$parab
echo "PARAC:"$parac
done < datafile.txt

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