linux shell按行讀入檔案

linux shell按行讀入檔案 #/bin/bash  printf "*************************************\n" echo " cat file whiel read line" cat test.txt |while read line do &nbsp; 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