From 603eed911d0426d5d30f1021505b7f16a62020b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BD=AD=E4=B8=80=E7=8F=85?= <1753710808@qq.com>
Date: Sat, 10 Sep 2022 22:01:06 +0800
Subject: [PATCH 1/8] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=E8=87=B3=20'lab1'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lab1/hw1.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 lab1/hw1.sh

diff --git a/lab1/hw1.sh b/lab1/hw1.sh
new file mode 100644
index 0000000..709c1e9
--- /dev/null
+++ b/lab1/hw1.sh
@@ -0,0 +1,11 @@
+sort data.txt | uniq -u
+sort -n data.txt | uniq -u
+sort data.txt > data2
+sort -n data.txt > data3
+sort data.txt >> data2
+sort -n data.txt >> data3
+
+grep ABC data.txt
+grep -o ABC data.txt
+grep ABC data.txt | wc -l
+grep -o ABC data.txt | wc
\ No newline at end of file
-- 
2.8.3


From 30dff13665bfe669cbeb3994268984684aea8c69 Mon Sep 17 00:00:00 2001
From: GentleCold <1952173800@qq.com>
Date: Sat, 10 Sep 2022 23:24:22 +0800
Subject: [PATCH 2/8] hw1 from 10215501413

---
 lab1/10215501413.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 lab1/10215501413.sh

diff --git a/lab1/10215501413.sh b/lab1/10215501413.sh
new file mode 100644
index 0000000..6a19473
--- /dev/null
+++ b/lab1/10215501413.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# 读取随机数据并转为 base64 编码
+head -n 50000 /dev/urandom | base64 > random;
+# 抽取 50000 行数据
+head -n 50000 random > random2;
+# rename
+rm random;
+mv random2 random;
+
+# 按 asc 排序
+sort --unique random > unique_sort_by_asc;
+# 按 num 排序
+sort --unique --numeric-sort random > unique_sort_by_num;
+
+# 追加写
+cat unique_sort_by_asc > totall;
+cat unique_sort_by_num >> totall;
+
+# 匹配并统计字符
+grep -o "com" totall | wc -l > number_of_com;
\ No newline at end of file
-- 
2.8.3


From fa05b1c021d84e62b2efb4f4a066be159cefdafa Mon Sep 17 00:00:00 2001
From: 10211900416 <10211900416@stu.ecnu.edu.cn>
Date: Sun, 11 Sep 2022 10:21:59 +0800
Subject: [PATCH 3/8] commit from 10211900416

---
 lab1/10211900416.sh | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 lab1/10211900416.sh

diff --git a/lab1/10211900416.sh b/lab1/10211900416.sh
new file mode 100644
index 0000000..9671ef8
--- /dev/null
+++ b/lab1/10211900416.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+chmod +x ./work1.sh #add permisson to execute
+rm strings
+rm sort_by_ascii
+rm sort_by_num
+rm summ
+rm strings2
+for i in `seq 1000`; #50000 lines is too long to wait, choose 1000 lines
+do 
+	echo $RANDOM | md5sum | cut -c 1-9 ;
+done >> strings
+export LC_ALL=C
+sort -d strings | uniq -u > sort_by_ascii
+sort -n strings | uniq -u > sort_by_num
+cat sort_by_ascii >> summ
+cat sort_by_num >> summ
+
+for i in `seq 666`; #generate a file randomly
+do
+	echo $RANDOM | md5sum | cut -c 1-9;
+done >> strings2
+grep -o "de" strings2 | wc -w 
+
-- 
2.8.3


From 462cd19f46267d4e8ddc3deb89c736d966db04cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=92=B1=E5=87=AF=E6=81=92?= <2980811196@qq.com>
Date: Sun, 11 Sep 2022 10:49:45 +0800
Subject: [PATCH 4/8] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=E8=87=B3=20'lab1'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lab1/10215501406.txt | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 lab1/10215501406.txt

diff --git a/lab1/10215501406.txt b/lab1/10215501406.txt
new file mode 100644
index 0000000..46c91b3
--- /dev/null
+++ b/lab1/10215501406.txt
@@ -0,0 +1,13 @@
+#1
+for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 1.txt
+sort -d 1.txt | uniq
+sort -n 1.txt | uniq
+sort -d 1.txt | uniq > 1_uniq1.txt
+sort -n 1.txt | uniq > 1_uniq1.txt
+sort -d 1.txt | uniq >> 1_uniq2.txt
+sort -n 1.txt | uniq >> 1_uniq2.txt
+
+#2
+for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 2.txt
+grep 'computer' 2.txt
+grep -o 'computer' 2.txt | wc -l
\ No newline at end of file
-- 
2.8.3


From 2e03e33cc0956d1f9e36ddcaeadc74623da8cae9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=92=B1=E5=87=AF=E6=81=92?= <2980811196@qq.com>
Date: Sun, 11 Sep 2022 11:08:00 +0800
Subject: [PATCH 5/8] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20'lab1/10215501406.txt'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lab1/10215501406.txt | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/lab1/10215501406.txt b/lab1/10215501406.txt
index 46c91b3..a50d518 100644
--- a/lab1/10215501406.txt
+++ b/lab1/10215501406.txt
@@ -1,13 +1,13 @@
-#1
-for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 1.txt
-sort -d 1.txt | uniq
-sort -n 1.txt | uniq
-sort -d 1.txt | uniq > 1_uniq1.txt
-sort -n 1.txt | uniq > 1_uniq1.txt
-sort -d 1.txt | uniq >> 1_uniq2.txt
-sort -n 1.txt | uniq >> 1_uniq2.txt
-
-#2
-for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 2.txt
-grep 'computer' 2.txt
+#1
+for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 1.txt
+sort -d 1.txt | uniq
+sort -n 1.txt | uniq
+sort -d 1.txt | uniq > 1_uniq_by_asc.txt
+sort -n 1.txt | uniq > 1_uniq_by_num.txt
+cat 1_uniq_by_asc.txt | uniq >> 1_uniq_total.txt
+cat 1_uniq_by_num.txt | uniq >> 1_uniq_total.txt
+
+#2
+for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 2.txt
+grep 'computer' 2.txt
 grep -o 'computer' 2.txt | wc -l
\ No newline at end of file
-- 
2.8.3


From bb262b3db4a1a9e7de88ab6affc5916a456447d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=92=B1=E5=87=AF=E6=81=92?= <2980811196@qq.com>
Date: Sun, 11 Sep 2022 11:17:22 +0800
Subject: [PATCH 6/8] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=E8=87=B3=20'lab1'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lab1/10215501406.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 lab1/10215501406.sh

diff --git a/lab1/10215501406.sh b/lab1/10215501406.sh
new file mode 100644
index 0000000..a50d518
--- /dev/null
+++ b/lab1/10215501406.sh
@@ -0,0 +1,13 @@
+#1
+for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 1.txt
+sort -d 1.txt | uniq
+sort -n 1.txt | uniq
+sort -d 1.txt | uniq > 1_uniq_by_asc.txt
+sort -n 1.txt | uniq > 1_uniq_by_num.txt
+cat 1_uniq_by_asc.txt | uniq >> 1_uniq_total.txt
+cat 1_uniq_by_num.txt | uniq >> 1_uniq_total.txt
+
+#2
+for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 2.txt
+grep 'computer' 2.txt
+grep -o 'computer' 2.txt | wc -l
\ No newline at end of file
-- 
2.8.3


From 1074dc5de462cc80e58d7997e5b6729f7096a7a3 Mon Sep 17 00:00:00 2001
From: lizepeng <1224060318@qq.com>
Date: Sun, 11 Sep 2022 11:44:49 +0800
Subject: [PATCH 7/8] 10215501417's commit

---
 lab1/10215501417.sh | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 lab1/10215501417.sh

diff --git a/lab1/10215501417.sh b/lab1/10215501417.sh
new file mode 100644
index 0000000..b22392a
--- /dev/null
+++ b/lab1/10215501417.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+#生成50000行包含字母与数字的文件
+#需要从urandom中读取字母与数字，共50000次循环，大概需要5-10min左右。
+for((i = 0; i < 50000; i++))
+do
+head -c 50 /dev/urandom | tr -dc A-Za-z0-9 >> RandFile;
+echo -e \ >> RandFile;
+done
+
+#按字母排序
+sort RandFile | uniq;      
+#按数字排序
+sort -n RandFile | uniq;
+#重定向到SortedFile1
+sort RandFile | uniq >> SortedFile1;
+#重定向到SortedFile2
+sort -n RandFile >> SortedFile2;
+
+#统计RandFile中 ab 出现的次数
+grep -o ab RandFile|wc -l;
+
+#git push到码园
+git init   #初始化
+git add .  #添加文件夹下所有文件
+git commit -m "lab1 first commit" #把添加的文件提交到远程版本库
+git remote add origin https://gitea.shuishan.net.cn/10215501417/csapp.git  #建立远程连接
+git push -u origin master #上传代码#!/bin/bash
+
+#生成50000行包含字母与数字的文件
+#需要从urandom中读取字母与数字，共50000次循环，大概需要5-10min左右。
+for((i = 0; i < 50000; i++))
+do
+head -c 50 /dev/urandom | tr -dc A-Za-z0-9 >> RandFile;
+echo -e \ >> RandFile;
+done
+
+#按字母排序
+sort RandFile | uniq;      
+#按数字排序
+sort -n RandFile | uniq;
+#重定向到SortedFile1
+sort RandFile | uniq >> SortedFile1;
+#重定向到SortedFile2
+sort -n RandFile >> SortedFile2;
+
+#统计RandFile中 ab 出现的次数
+grep -o ab RandFile|wc -l;
+
+#git push到码园
+git init   #初始化
+git add .  #添加文件夹下所有文件
+git commit -m "lab1 first commit" #把添加的文件提交到远程版本库
+git remote add origin https://gitea.shuishan.net.cn/10215501417/csapp.git  #建立远程连接
+git push -u origin master #上传代码
+
+#fork工作流：
+#首先 fork目标仓库到自己的远程仓库
+#再git clone到自己的仓库
+git clone https://gitea.shuishan.net.cn/10215501417/Computer-Systems-Labs.git
+#创建一个分支
+git checkout -b hw
+#将代码文件上传
+git add 10215501417.sh
+git commit -m "10215501417's cmommit"
+#然后再发起一个pr到目标仓库
+
-- 
2.8.3


From 7bd805043cf872f876a153c9b16d98fb76f8a500 Mon Sep 17 00:00:00 2001
From: lizepeng <1224060318@qq.com>
Date: Sun, 11 Sep 2022 11:54:02 +0800
Subject: [PATCH 8/8] 10215501417's commit

---
 lab1/10215501417.sh | 27 ---------------------------
 1 file changed, 27 deletions(-)

diff --git a/lab1/10215501417.sh b/lab1/10215501417.sh
index b22392a..10d6392 100644
--- a/lab1/10215501417.sh
+++ b/lab1/10215501417.sh
@@ -25,33 +25,6 @@ git init   #初始化
 git add .  #添加文件夹下所有文件
 git commit -m "lab1 first commit" #把添加的文件提交到远程版本库
 git remote add origin https://gitea.shuishan.net.cn/10215501417/csapp.git  #建立远程连接
-git push -u origin master #上传代码#!/bin/bash
-
-#生成50000行包含字母与数字的文件
-#需要从urandom中读取字母与数字，共50000次循环，大概需要5-10min左右。
-for((i = 0; i < 50000; i++))
-do
-head -c 50 /dev/urandom | tr -dc A-Za-z0-9 >> RandFile;
-echo -e \ >> RandFile;
-done
-
-#按字母排序
-sort RandFile | uniq;      
-#按数字排序
-sort -n RandFile | uniq;
-#重定向到SortedFile1
-sort RandFile | uniq >> SortedFile1;
-#重定向到SortedFile2
-sort -n RandFile >> SortedFile2;
-
-#统计RandFile中 ab 出现的次数
-grep -o ab RandFile|wc -l;
-
-#git push到码园
-git init   #初始化
-git add .  #添加文件夹下所有文件
-git commit -m "lab1 first commit" #把添加的文件提交到远程版本库
-git remote add origin https://gitea.shuishan.net.cn/10215501417/csapp.git  #建立远程连接
 git push -u origin master #上传代码
 
 #fork工作流：
-- 
2.8.3