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2207/C语言同步练习源码/8-文件-1.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main(){
+	FILE *in, *out;
+	char str[100];
+	in = fopen("file1.c", "r");//r:只读 
+	out = fopen("file2.c", "w");//w:覆盖 
+	
+	while(fgets(str, 100, in)){//fgets每次从文件获取一行并存储到str中 
+		puts(str);//使用控制台输出
+		fputs(str, out);//向file2.c输出 
+	}
+	fclose(in);//关闭文件指针 
+	fclose(out);
+
+	return 0;
+}
+

2207/C语言同步练习源码/8-文件-2.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main(){
+	
+	FILE *fp;
+	char ch;
+	int count=0;
+	fp = fopen("letter.txt", "r");
+	while((ch=fgetc(fp)) != EOF){
+		if(ch == 'c'){
+			count++;
+		}
+	}
+	printf("c个数为:%d\n", count);
+	
+	return 0;
+}
+

2207/C语言同步练习源码/file1.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(){
+
+
+
+
+	return 0;
+}

2207/C语言同步练习源码/file2.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(){
+
+
+
+
+	return 0;
+}

2207/C语言同步练习源码/letter.txt

@@ -0,0 +1 @@
+ccadfadsfasfadsfafa

2207/C语言同步练习答案.md

@@ -1035,12 +1035,53 @@ int main(){
 
 
 
+```c
+#include <stdio.h>
+
+int main(){
+	FILE *in, *out;
+	char str[100];
+	in = fopen("file1.c", "r");//r:只读 
+	out = fopen("file2.c", "w");//w:覆盖 
+	
+	while(fgets(str, 100, in)){//fgets每次从文件获取一行并存储到str中 
+		puts(str);//使用控制台输出
+		fputs(str, out);//向file2.c输出 
+	}
+	fclose(in);//关闭文件指针 
+	fclose(out);
+
+	return 0;
+}
+```
+
 
 
 ### 文件-2
 
 ![image-20250227231509693](https://yp.smallkun.cn/markdown/image-20250227231509693.png!compress)
 
+```c
+#include <stdio.h>
+
+int main(){
+	
+	FILE *fp;
+	char ch;
+	int count=0;
+	fp = fopen("letter.txt", "r");
+	while((ch=fgetc(fp)) != EOF){
+		if(ch == 'c'){
+			count++;
+		}
+	}
+	printf("c个数为:%d\n", count);
+	
+	return 0;
+}
+
+```
+
 
 
 ### 文件-3