05 August 2008
打印文件中第10行的内容
```shell script
cnt=0 while read line && [ $cnt -le 10 ]; do let ‘cnt = cnt + 1’ if [ $cnt -eq 10 ]; then echo $line exit 0 fi done < file.txt
awk ‘FNR == 10 {print }’ file.txt
awk ‘NR == 10’ file.txt
sed -n 10p file.txt
tail -n+10 file.txt|head -1 ```