From bf6d9cced164ca7d83db1a48991838af6b14be02 Mon Sep 17 00:00:00 2001
From: 10215501450 <3027381476@qq.com>
Date: Mon, 12 Sep 2022 22:21:49 +0800
Subject: [PATCH] add 10215501450

---
 lab1/10215501450.sh | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 lab1/10215501450.sh

diff --git a/lab1/10215501450.sh b/lab1/10215501450.sh
new file mode 100644
index 0000000..019375d
--- /dev/null
+++ b/lab1/10215501450.sh
@@ -0,0 +1,28 @@
+作业1:
+#生成50000行文件
+for i in $(seq 1 50000)
+do
+        echo $RANDOM|md5sum|cut -c 1-9
+done >> test.txt
+
+#按照字母顺序排序,输出unique行
+sort -u test.txt
+
+#按照数字顺序排序,输出unique行
+sort -u -n test.txt
+
+#以覆盖写的方式重定向到一个文件(1.txt)
+sort -u test.txt > 1.txt
+sort -u -n test.txt > 1.txt
+
+#以追加写的方式重定向到一个文件(2.txt)
+sort -u test.txt >> 2.txt
+sort -u -n test.txt >> 2.txt
+
+作业2:
+#已随机生成文件
+#找"computer"
+grep "computer" computer.txt
+
+#统计其中包含多少"computer"
+grep -o "computer" computer.txt|wc -w