Creato programma che usando i file legge il file sample e lo ricopia in sample_copied contando righe,vocali,numeri e caratteri

4.file_read_count/copycount.c

@@ -0,0 +1,87 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+
+int main (int index, char** in_data){
+     
+     
+   int fd,fd2,ridden,wrote, tot,vocali,cifre,righe;
+   tot = vocali = cifre = righe = 0;
+   char buf;
+   fd = open ("sample",O_RDONLY);
+   fd2 = open ("sample_copied", O_CREAT | O_WRONLY,00700);
+   if (fd < 0){
+     fprintf(stderr,"Error reading file %d\n",errno);
+     exit(-1);
+   }
+   if (fd2 < 0){
+     fprintf(stderr,"Error creating file %d\n",errno);
+     exit(-1);
+   }
+
+     for (ridden = read (fd,&buf,1) ; ridden == 1 ;ridden = read (fd,&buf,1)){
+          
+          
+          if (isdigit(buf) != 0){
+               cifre++; tot++;
+               wrote = write (fd2,&buf,1);
+               if (wrote != 1){
+                    fprintf(stderr,"Error writing to file %d\n",errno);
+                    exit(-1);
+               }
+               continue;
+          }
+          
+          if (buf == 'a' || buf == 'e' || buf == 'i' || buf == 'o' || buf == 'u'){
+               vocali++;tot++;
+               wrote = write (fd2,&buf,1);
+               if (wrote != 1){
+                    fprintf(stderr,"Error writing to file %d\n",errno);
+                    exit(-1);
+               }
+               continue;
+          }
+          
+          if (buf == '\n'){
+               righe++;tot++;
+               wrote = write (fd2,&buf,1);
+               if (wrote != 1){
+                    fprintf(stderr,"Error writing to file %d\n",errno);
+                    exit(-1);
+               }
+               continue;
+          }
+          
+          
+          tot++;
+          wrote = write (fd2,&buf,1);
+          if (wrote != 1){
+               fprintf(stderr,"Error writing to file %d\n",errno);
+               exit(-1);
+          }
+ 
+          
+     }
+     
+     if (ridden < 0){
+          fprintf(stderr,"Error reading file %d\n",errno);
+          exit(-1);
+     }
+     
+     fprintf (stdout, "Numero vocali %d\n", vocali);
+     fprintf (stdout, "Numero righe %d\n", righe);
+     fprintf (stdout, "Numero cifre %d\n", cifre);
+     fprintf (stdout, "Numero caratteri %d\n", tot);
+     
+     close(fd);close(fd2);
+     
+     
+     return 0;
+}

4.file_read_count/readme.txt

@@ -0,0 +1 @@
+il programma legge il file sample e lo ricopia in sample_copied contango righe,vocali,numeri e caratteri

4.file_read_count/sample

@@ -0,0 +1,6 @@
+aafdsfdsfdfdfdfdf
+4343
+fdsd342
+fdfdsfFJSNJNDJS
+dfdsfa
+

4.file_read_count/sample_copied

@@ -0,0 +1,6 @@
+aafdsfdsfdfdfdfdf
+4343
+fdsd342
+fdfdsfFJSNJNDJS
+dfdsfa
+

4.file_read_count/sample~

@@ -0,0 +1,6 @@
+fdsfdsfdfdfdfdf
+4343
+fdsd342
+fdfdsfFJSNJNDJS
+dfdsf
+