From f4feb986c6a81acc09d33e8c60913c2bbdeb1384 Mon Sep 17 00:00:00 2001
From: TakanashiXny <2110520134@qq.com>
Date: Sun, 11 Sep 2022 15:54:54 +0800
Subject: [PATCH] 10215501438

---
 lab1/10215501438.txt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 lab1/10215501438.txt

diff --git a/lab1/10215501438.txt b/lab1/10215501438.txt
new file mode 100644
index 0000000..5e7b4a4
--- /dev/null
+++ b/lab1/10215501438.txt
@@ -0,0 +1,20 @@
+touch random
+for i in {1..50000}
+> do echo $RANDOM | md5sum | cut -c 1-9 
+> done >> random // 生成随机字符串
+
+sort random -o string.txt // 将排完序的内容写入string.txt中
+sort random | uniq // 将内容去重输出
+
+sort -n random -o number.txt // 将排完序的内容写入number.txt中
+sort -n random | uniq // 将内容去重输出
+
+touch file.txt
+cat string.txt > file.txt // 覆盖
+cat string.txt >> file.txt // 追加
+
+
+touch count.txt // 创建文件
+vim count.txt // 打开这个文件，并向里写入文字
+grep -o "farmer" count.txt // 输出匹配的项
+grep -o "farmer" count.txt | wc -l // 统计个数