遇到了, 記錄一下, 比寫代碼好多了:
[email protected]:~$ cat a.txt
gaga agagag
agaga agagd xxx
agadaa agaoo yyy zzzz
[email protected]:~$
[email protected]:~$
[email protected]:~$ cat a.sh
cat a.txt | while read line
do
echo $line >> b.txt
done
[email protected]:~$
[email protected]:~$
[email protected]:~$
[email protected]:~$ rm b.txt
[email protected]:~$
[email protected]:~$
[email protected]:~$
[email protected]:~$ ./a.sh
[email protected]:~$
[email protected]:~$
[email protected]:~$
[email protected]:~$ cat b.txt
gaga agagag
agaga agagd xxx
agadaa agaoo yyy zzzz
[email protected]:~$
搞定。