From 2c54f414b9baeaf89c81066831757a5db11eb93f Mon Sep 17 00:00:00 2001
From: 20041679 <->
Date: Fri, 13 Jan 2023 15:54:55 +0100
Subject: [PATCH] added todays assigment
---
.gitignore | 1 +
20230113/1/1.txt | 1 +
20230113/1/2.txt | 1 +
20230113/1/main.c | 44 +++++++++++++++++++++++++++++++++++++++++
20230113/2/1.txt | 1 +
20230113/2/2.txt | 1 +
20230113/2/main.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++
20230113/2/out.txt | 4 ++++
20230113/3/1.txt | 1 +
20230113/3/2.txt | 1 +
20230113/3/main.c | 39 ++++++++++++++++++++++++++++++++++++
11 files changed, 143 insertions(+)
create mode 100644 .gitignore
create mode 100644 20230113/1/1.txt
create mode 100644 20230113/1/2.txt
create mode 100644 20230113/1/main.c
create mode 100644 20230113/2/1.txt
create mode 100644 20230113/2/2.txt
create mode 100644 20230113/2/main.c
create mode 100644 20230113/2/out.txt
create mode 100644 20230113/3/1.txt
create mode 100644 20230113/3/2.txt
create mode 100644 20230113/3/main.c
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e7d5bdd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.nfs*
diff --git a/20230113/1/1.txt b/20230113/1/1.txt
new file mode 100644
index 0000000..90b4516
--- /dev/null
+++ b/20230113/1/1.txt
@@ -0,0 +1 @@
+aaaaaa
diff --git a/20230113/1/2.txt b/20230113/1/2.txt
new file mode 100644
index 0000000..68fc125
--- /dev/null
+++ b/20230113/1/2.txt
@@ -0,0 +1 @@
+aaabca
diff --git a/20230113/1/main.c b/20230113/1/main.c
new file mode 100644
index 0000000..fc73037
--- /dev/null
+++ b/20230113/1/main.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+
+#include <errno.h>
+#include <string.h>
+#define err(s) fprintf(stderr, s "%s\n", strerror(errno))
+
+#define F1_STR "1.txt"
+#define F2_STR "2.txt"
+
+int main(void) {
+ int ret = 0;
+ FILE *f1;
+ if ((f1 = fopen(F1_STR, "r"))) {
+
+ FILE *f2;
+ if ((f2 = fopen(F2_STR, "r"))) {
+
+ char c1;
+ char c2;
+ int diff = 0;
+ while (fscanf(f1, "%c", &c1) != EOF &&
+ fscanf(f2, "%c", &c2) != EOF &&
+ !diff) {
+ if (c1 != c2) {
+ diff = 1;
+ printf("file 1: %c, file2: %c\n", c1, c2);
+ }
+ }
+
+ fclose(f2);
+
+ } else {
+ ret = 1;
+ err(F2_STR ": ");
+ }
+
+ fclose(f1);
+ } else {
+ ret = 1;
+ err(F1_STR ": ");
+ }
+
+ return ret;
+}
diff --git a/20230113/2/1.txt b/20230113/2/1.txt
new file mode 100644
index 0000000..f3a7a66
--- /dev/null
+++ b/20230113/2/1.txt
@@ -0,0 +1 @@
+abcdefghijk
diff --git a/20230113/2/2.txt b/20230113/2/2.txt
new file mode 100644
index 0000000..a4054fd
--- /dev/null
+++ b/20230113/2/2.txt
@@ -0,0 +1 @@
+abbdefgjklk
diff --git a/20230113/2/main.c b/20230113/2/main.c
new file mode 100644
index 0000000..1793be9
--- /dev/null
+++ b/20230113/2/main.c
@@ -0,0 +1,49 @@
+#include <stdio.h>
+
+#include <errno.h>
+#include <string.h>
+#define err(s) fprintf(stderr, s "%s\n", strerror(errno))
+
+#define F1_STR "1.txt"
+#define F2_STR "2.txt"
+#define FOUT_STR "out.txt"
+
+int main(void) {
+ int ret = 0;
+ FILE *f1;
+ if ((f1 = fopen(F1_STR, "r"))) {
+
+ FILE *f2;
+ if ((f2 = fopen(F2_STR, "r"))) {
+
+ FILE *fout;
+ if ((fout = fopen(FOUT_STR, "w"))) {
+
+ char c1;
+ char c2;
+ while (fscanf(f1, "%c", &c1) != EOF &&
+ fscanf(f2, "%c", &c2) != EOF) {
+ if (c1 != c2) {
+ printf("file 1: %c, file2: %c\n", c1, c2);
+ fprintf(fout, "%c%c\n", c1, c2);
+ }
+ }
+ fclose(fout);
+
+ } else {
+ ret = 1;
+ err(FOUT_STR ": ");
+ }
+ fclose(f2);
+ } else {
+ ret = 1;
+ err(F2_STR ": ");
+ }
+ fclose(f1);
+ } else {
+ ret = 1;
+ err(F1_STR ": ");
+ }
+
+ return ret;
+}
diff --git a/20230113/2/out.txt b/20230113/2/out.txt
new file mode 100644
index 0000000..18f51a2
--- /dev/null
+++ b/20230113/2/out.txt
@@ -0,0 +1,4 @@
+cb
+hj
+ik
+jl
diff --git a/20230113/3/1.txt b/20230113/3/1.txt
new file mode 100644
index 0000000..0f66b12
--- /dev/null
+++ b/20230113/3/1.txt
@@ -0,0 +1 @@
+aaa bbb ccc ddd eee
diff --git a/20230113/3/2.txt b/20230113/3/2.txt
new file mode 100644
index 0000000..aec1b31
--- /dev/null
+++ b/20230113/3/2.txt
@@ -0,0 +1 @@
+aaa b ccc dd eeee
diff --git a/20230113/3/main.c b/20230113/3/main.c
new file mode 100644
index 0000000..bf8d20c
--- /dev/null
+++ b/20230113/3/main.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+
+#include <errno.h>
+#include <string.h>
+#define err(s) fprintf(stderr, s "%s\n", strerror(errno))
+
+#define F1_STR "1.txt"
+#define F2_STR "2.txt"
+
+int main(void) {
+ int ret = 0;
+ FILE *f1;
+ if ((f1 = fopen(F1_STR, "r"))) {
+
+ FILE *f2;
+ if ((f2 = fopen(F2_STR, "r"))) {
+
+ char s1[128];
+ char s2[128];
+ while (fscanf(f1, "%s", s1) != EOF &&
+ fscanf(f2, "%s", s2) != EOF) {
+ if (strcmp(s1, s2) != 0) {
+ puts(s2);
+ }
+ }
+
+ fclose(f2);
+ } else {
+ ret = 1;
+ err(F2_STR ": ");
+ }
+ fclose(f1);
+ } else {
+ ret = 1;
+ err(F1_STR ": ");
+ }
+
+ return ret;
+}
--
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