From 6946444eb788ac43a5a89d53ae167872ebf5a941 Mon Sep 17 00:00:00 2001
From: yrrrrq <279136468@qq.com>
Date: Sun, 11 Sep 2022 21:23:54 +0800
Subject: [PATCH] add lab1 homework 10215501443

---
 lab1/10215501443.sh | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 lab1/10215501443.sh

diff --git a/lab1/10215501443.sh b/lab1/10215501443.sh
new file mode 100644
index 0000000..d0870b5
--- /dev/null
+++ b/lab1/10215501443.sh
@@ -0,0 +1,32 @@
+第一题
+随机生成50000行的文件
+for i in {1..50000}
+>do 
+>echo $RANDOM | md5sum | cut -c 1-9 >> hw1.txt
+>done 
+
+按数字排序 追加写的方式重定向
+sort -n hw1.txt -u >> 3.txt
+
+按数字排序 覆盖写的方式重定向
+sort -n hw1.txt -u > 4.txt
+
+按字母排序 追加写的方式重定向
+sort -f hw1.txt -u >> 5.txt
+
+按字母排序 覆盖写的方式重定向
+sort -f hw1.txt -u > 6.txt
+
+
+第二题
+随机生成一个文件
+for i in {1..500}
+> do
+> echo $RANDOM | md5sum | cut -c 1-9 >> hw2.txt
+> done
+
+查找指定字符串fe
+grep 'fe' hw2.txt
+
+统计字符串fe出现次数
+grep -o "fe" hw2.txt | wc -l
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