linux shell按行读入文件

linux shell按行读入文件

 

#/bin/bash 

 

printf "*************************************\n" 

echo " cat file whiel read line" 

cat test.txt |while read line 

do 

  echo $line; 

done 

 

printf "*************************************\n" 

echo "while read line <file" 

while read line 

do 

&nbsp; echo $line; 

done <test.txt 

 

printf "*************************************\n" 

echo "for line in cat test.txt" 

SAVEIFS=$IFS 

IFS=$(echo -en "\n") 

for line in $(cat test.txt) 

do 

&nbsp; echo &nbsp;$line; 

done 

IFS=$SAVEIFS