|
@ -0,0 +1,16 @@ |
|
|
|
|
|
#生成文件 |
|
|
|
|
|
for i in `seq 5000`; |
|
|
|
|
|
do echo $RANDOM | md5sum | cut -c 1-9; |
|
|
|
|
|
done>>test.txt; |
|
|
|
|
|
|
|
|
|
|
|
#1 |
|
|
|
|
|
sort -u test.txt #按字母排序 |
|
|
|
|
|
sort -u -n test.txt #按数字排序 |
|
|
|
|
|
sort -u test.txt>1.txt #将字母排序结果覆盖写到1.txt中 |
|
|
|
|
|
sort -u test.txt>>2.txt #将字母排序结果追加写到2.txt中 |
|
|
|
|
|
sort -u -n test.txt>1.txt #将数字排序结果覆盖写到1.txt中 |
|
|
|
|
|
sort -u -n test.txt>>2.txt #将数字排序结果追加写到2.txt中 |
|
|
|
|
|
|
|
|
|
|
|
#2 |
|
|
|
|
|
grep "abc" test.txt #找出内容包含"abc"的字符串并输出 |
|
|
|
|
|
grep -c "abc" test.txt #统计内容包含"abc"的行数并输出 |