Pipe, Computer Engineering

Assignment Help:

Your shell should accept and execute the pipe "|"  operator. This will look like the following:

|

The functionality of this operator is to execute command1 and send its output to the pipe. Then execute command2 and use the pipe as input. For this you will need to use the close(), dup() and pipe() functions.

Here is a sample of the execution:

/home/ p r o j e c t s / cs200 / spring12 / shell >cat project2.c | grep include

#includ e

#includ e

#includ e

#includ e

#includ e

/home/ p r o j e c t s / cs200 / spring12 / shell >


Related Discussions:- Pipe

State the use of erasable programmable read only memory, Erasable programma...

Erasable programmable read only memory (EPROM) This is a special type of PROM which can be erased by exposing it to ultraviolet (UV) light. Once it has been erased, it can be r

C language, Smugglers are becoming very smart day by day. Now they have dev...

Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send

Diffrence between cd-r vs cd rw, Q. Diffrence between CD-R vs CD RW? A ...

Q. Diffrence between CD-R vs CD RW? A CD-R disc looks same as a CD. Though all pressed CDs are silver, CD-R discs are gold or silver on their label side and a deep cyan or gree

Application to calculate weekly payment of a company, Problem: A compa...

Problem: A company requires a software application to calculate the weekly payment for its employees. The information about the employees (employees' data) is kept in a file.

C LANGUAGE, 4) A positive integer is entered through the keyboard;write a ...

4) A positive integer is entered through the keyboard;write a function to find the binary equivalent of this number using recursion.

State about movable joystick, State about movable joystick In another t...

State about movable joystick In another type of movable joystick, the stick is used to activate switches that cause the screen cursor to move at a constant rate in the selected

Register organisation, The number and nature of registers is a major factor...

The number and nature of registers is a major factor which distinguishes among computers. For illustration, Intel Pentium has about 32 registers. A number of these registers are sp

Enginering mechanics, if 2 forces are equal at an angle alpha between them...

if 2 forces are equal at an angle alpha between them - its resultant R and its direction

Application area of artificial intelligence, 1. The State of the Art: What ...

1. The State of the Art: What can AI do today? A concise answer is difficult because there are so many activities in so many subfields. Here we sample a few applications other

Find the de broglie wavelength of electron, Q. Find the de Broglie waveleng...

Q. Find the de Broglie wavelength of electron in the fourth orbit of hydrogen atom. We know that,            λ = 2πr / n λ4 = 2πr 4 / 4  = 2π (4 2 r1) / 4  = 2 X

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd