Answered: Create C++ programs to replicate two of…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Create C++ programs to replicate two of the following UNIX commands. Choose one program that generates output and prints it to standard out and one program that processes information given to it on standard input:

PWD
LS
TIME
TYPE
TEE
JOIN
PASTE
EXPAND
OD
SORT
TR
CUT
UNIQ
NL
CAT, TAC, HEAD, TAIL (Use only one)

Other programs may be accepted as well, but you must clear them with me (not grep). Make sure to implement each method by which a program can be executed. You do not have to implement any options. For example, depending on the parameters, grep can read from a file ( grep keyword filename) as well as from STDIN ( cat filename | grep keyword). You do not need to implement any options that use a hyphen in the name ( grep -E [0-9]00 file).

Each program must have an accompanying makefile that can be used to make, clean, and install/uninstall the program in /usr/local/bin. The make file must also use of variables for the compiler to use, optional flags, the target name, and the install directory.

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