From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 659/CH12/EX12.3/exm12_3.sce | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100755 659/CH12/EX12.3/exm12_3.sce (limited to '659/CH12/EX12.3/exm12_3.sce') 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); -- cgit