You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
776 B
23 lines
776 B
#!/bin/bash
|
|
#生成50行随机字符串
|
|
for i in {1..50}
|
|
do
|
|
echo $RANDOM | md5sum | cut -c 1-9 >> random_50.txt
|
|
done
|
|
#将上述50行随机的字符串循环100次，得到5000行有规律的字符串
|
|
times=1
|
|
while((times<=100))
|
|
do
|
|
head -n 50 random_50.txt >> random_5000.txt
|
|
times=`expr $times + 1`
|
|
done
|
|
#以覆盖写的方式，字母排序，输出unique行
|
|
sort -u random_5000.txt > alph.txt
|
|
#以覆盖写的方式，数字排序，输出unique行
|
|
sort -u -n random_5000.txt > number.txt
|
|
#以追加写的方式，字母排序，输出unique行
|
|
sort -u random_5000.txt >> alph.txt
|
|
#以追加写的方式，数字排序，输出unique行
|
|
sort -u -n random_5000.txt >> number.txt
|
|
#已经生成一个含有60个Computer的letter文件
|
|
grep -c "Computer" letter.txt
|