Садовников - 15

OS/Task1.sh~

@@ -0,0 +1,32 @@
+#!/bin/bash    
+number=$RANDOM   
+a="a"
+b="b"
+c="c"
+txt=".txt"
+one="1"
+
+
+echo $number   
+echo $(($number % 3))
+for i in `seq 1 100`;
+        do
+            if [ "$(($number % 3))" = 0 ]; then
+	       number=$RANDOM  
+               the_file=$a$txt
+               echo $a > $the_file
+               a=$a$one
+            else
+               if [ "$(($number % 3))" = 1 ]; then
+		   number=$RANDOM  
+                   the_file=$b$txt
+                   echo $b > $the_file
+                   b=$b$one
+	       else
+	           number=$RANDOM  
+		   the_file=$c$txt
+		   echo $c > $the_file
+	           c=$c$one
+               fi
+            fi
+        done     

OS/Task1/Search.txt

@@ -0,0 +1,5 @@
+100  Thomas  Manager    Sales       $5,000
+200  Jason   Developer  Technology  $5,500
+300  Raj     Sysadmin   Technology  $7,000
+400  Nisha   Manager    Marketing   $9,500
+500  Randy   Manager    Sales       $6,000

OS/Task1/Search.txt~

@@ -0,0 +1,5 @@
+100  Thomas  Manager    Sales       $5,000
+200  Jason   Developer  Technology  $5,500
+300  Raj     Sysadmin   Technology  $7,000
+400  Nisha   Manager    Marketing   $9,500
+500  Randy   Manager    Sales       $6,000

OS/Task1/Task1a.sh

@@ -0,0 +1,32 @@
+#!/bin/bash    
+number=$RANDOM   
+a="a"
+b="b"
+c="c"
+txt=".txt"
+one="1"
+
+
+echo $number   
+echo $(($number % 3))
+for i in `seq 1 100`;
+        do
+            if [ "$(($number % 3))" = 0 ]; then
+	       number=$RANDOM  
+               the_file=$a$txt
+               echo $a > $the_file
+               a=$a$one
+            else
+               if [ "$(($number % 3))" = 1 ]; then
+		   number=$RANDOM  
+                   the_file=$b$txt
+                   echo $b > $the_file
+                   b=$b$one
+	       else
+	           number=$RANDOM  
+		   the_file=$c$txt
+		   echo $c > $the_file
+	           c=$c$one
+               fi
+            fi
+        done     

OS/Task1/Task1b.sh

@@ -0,0 +1 @@
+rm a*

OS/Task1/Task1c.sh

@@ -0,0 +1,5 @@
+b="a"
+
+for file in b*
+do mv "$file" "$b$file"
+done

OS/Task1/Task1d.sh

@@ -0,0 +1,7 @@
+c="wow"
+one="1"
+
+for file in c*
+do cp "$file" "$c$one"
+c=$c$one
+done

OS/Task1/Task1e.sh

@@ -0,0 +1,3 @@
+read pattern
+echo $pattern
+grep "$pattern" Search.txt > Result.txt

OS/Task1/Task1e.sh~

@@ -0,0 +1,3 @@
+read pattern
+echo $pattern
+grep '$pattern' Search.txt > Result.txt

OS/Task1b.sh~

@@ -0,0 +1 @@
+rm a*

OS/Task1c.sh~

@@ -0,0 +1,5 @@
+b="a"
+
+for file in b*
+do mv "$file" "$b$file"
+done

OS/Task1d.sh~

@@ -0,0 +1,7 @@
+c="wow"
+one="1"
+
+for file in c*
+do cp "$file" "$c$one"
+c=$c$one
+done

OS/Task2/Task1.hs~

@@ -0,0 +1,17 @@
+module Main where
+
+nOD a b = if mod c d == 0
+	  then d
+          else nOD (mod c d) d
+	  where c = myMax a b
+                d = myMin a b
+
+myMax :: (Ord a) => a -> a -> a
+myMax a b = if a > b then a else b
+
+myMin :: (Ord a) => a -> a -> a
+myMin a b = if a < b then a else b
+
+main = do a <- readLn
+          b <- readLn
+          print (nOD a b)	

OS/Task2/Task1.sh~

@@ -0,0 +1,32 @@
+#!/bin/bash    
+number=$RANDOM   
+a="a"
+b="b"
+c="c"
+txt=".txt"
+one="1"
+
+
+echo $number   
+echo $(($number % 3))
+for i in `seq 1 100`;
+        do
+            if [ "$(($number % 3))" = 0 ]; then
+	       number=$RANDOM  
+               the_file=$a$txt
+               echo $a > $the_file
+               a=$a$one
+            else
+               if [ "$(($number % 3))" = 1 ]; then
+		   number=$RANDOM  
+                   the_file=$b$txt
+                   echo $b > $the_file
+                   b=$b$one
+	       else
+	           number=$RANDOM  
+		   the_file=$c$txt
+		   echo $c > $the_file
+	           c=$c$one
+               fi
+            fi
+        done     

OS/Task2/Task1b.sh~

@@ -0,0 +1 @@
+rm a*

OS/Task2/Task1d.sh~

@@ -0,0 +1,7 @@
+c="wow"
+one="1"
+
+for file in c*
+do cp "$file" "$c$one"
+c=$c$one
+done

OS/Task2/Task2.c

@@ -0,0 +1,120 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <limits.h>
+
+
+#define BUFFERSIZE 1024
+#define COPYMORE 0644
+
+
+
+
+int copyDir(char *src, char *dest);
+int copyFiles(char *src, char *dest);
+int dostat(char *filename);
+int mode_isReg(struct stat info);
+
+
+
+
+int main(int ac, char *av[])
+{
+
+  if(ac != 3)
+  {
+    fprintf(stderr, "usage: %s source destination\n", *av);
+    exit(1);
+  }
+
+   char src[PATH_MAX+1];
+   strcpy(src, av[1]);
+   char dest[PATH_MAX+1];
+   strcpy(dest, av[2]);
+
+   if( src[0] != '/' && dest[0] != '/' )//cp1 file1.txt file2.txt
+   {
+       copyFiles(src, dest);
+   }
+   else if( src[0] != '/' && dest[0] == '/' )//cp1 file1.txt /dir 
+   { 
+      strcat(dest, "/");
+      strcat(dest, src);
+
+
+      copyFiles(src, dest);
+  }
+  else //cp1 /dir1 /dir2    
+  {                        
+      copyDir(src, dest);     
+  }
+}
+
+
+int copyDir(char *source, char *destination)
+{
+    DIR *dir_ptr = NULL;
+    struct dirent *direntp;
+    char tempDest[strlen(destination)+228];
+    char tempSrc[strlen(source)+228];
+    strcat(destination, "/");      
+    strcpy(tempDest, destination);
+    strcat(source, "/");
+    strcpy(tempSrc, source);  
+
+    struct stat fileinfo;
+
+
+   if( (dir_ptr = opendir(source)) == NULL )
+   {
+      fprintf(stderr, "cp1: cannot open %s for copying\n", source);
+      return 0;
+   }
+   else
+   {
+      while( (direntp = readdir(dir_ptr)))
+      {      
+
+
+          strcat(tempDest, direntp->d_name);        
+          strcat(tempSrc, direntp->d_name);
+          copyFiles(tempSrc, tempDest);
+          strcpy(tempDest, destination);
+          strcpy(tempSrc, source);            
+
+      }
+      closedir(dir_ptr);
+      return 1;
+   }
+
+
+}
+
+int copyFiles(char *source, char *destination)
+{
+
+  int in_fd, out_fd, n_chars;
+  char buf[BUFFERSIZE];
+
+  in_fd=open(source, O_RDONLY);
+
+  out_fd=creat(destination, COPYMORE);
+
+
+  while( (n_chars = read(in_fd, buf, BUFFERSIZE)) > 0 )
+  {
+    write(out_fd, buf, n_chars);
+  }
+
+
+   close(in_fd);
+   close(out_fd);
+
+
+   return 1;
+}