1 files changed, 31 insertions, 0 deletions
diff --git a/659/CH12/EX12.3/exm12_3.sce b/659/CH12/EX12.3/exm12_3.sce
new file mode 100755
index 000000000..8475affee
--- /dev/null
+++ b/659/CH12/EX12.3/exm12_3.sce
@@ -0,0 +1,31 @@
+//                     Example12.3
+//A  program to open a file named INVENTORY and store in it the following
+// data: Item name   Number     Price    Quantity
+//        AAA-1      111       17.50     115
+//        BBB-2      125       36.00     75
+//        C-3        247       31.75     104
+//Extend the program to read this data from the file INVENTORY and display 
+//inventory table with the value of each item.
+
+disp("Input file name");
+filename=scanf("%s");    //Read file name that is 'INVENTORY'
+fp=mopen(filename,'w');  //Open file in write mode,fp is file descriptor
+disp("Input inventory data");
+disp("Item name     Number     Price     Quantity");
+for i=1:3
+    //read data from terminal
+  [n,item(i),number(i),price(i),quantity(i)]=mscanf("%s %d %f %d");
+  //write data to the file
+   mfprintf(fp,'%s\t%d\t%.2f\t%d\n',item(i),number(i),price(i),quantity(i));
+end
+mclose(fp);              //close the file
+fp=mopen(filename,'r');  //open file in read mode
+disp("Item name   Number   Price   Quantity   Value");
+for i=1:3
+    //Read data from the file 'INVENTORY'
+    [n,item,number,price,quantity]=mfscanf(fp,"%s %d %f %d");
+     value=price*quantity;  //Computes value
+     //Printing of the data 
+     printf('   %s   %7d %8.2f %8d %11.2f\n',item,number,price,quantity,value);
+end
+mclose(fp);