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

Define various classes of interrupts, Q. Define Various classes of Interrup...

Q. Define Various classes of Interrupts? Figure below gives list of some common interrupts and events which causes occurrence of those interrupts. Figure: Various clas

Illustarte basic flip-flops, Q. Illustarte Basic Flip-flops? Let's firs...

Q. Illustarte Basic Flip-flops? Let's first see a ordinary latch. A latch or flip-flop can be created employing two NOR or NAND gates. Figure (a) presents logic diagram for S-R

Describe message passing model, Q. Describe Message Passing Model? In ...

Q. Describe Message Passing Model? In message-passing model there be a set of tasks which employ their own local memories at the time of computation. Many tasks may inhabit on

Define the object orientation and its analysis, Object Orientation and Anal...

Object Orientation and Analysis An Object is anything that exists within the problem domain that can be recognized by data and/or behaviour. An example of an object is a bike.

Low on the data-input line, For the 8-bit bidirectional register in Figure ...

For the 8-bit bidirectional register in Figure 3, verify the status of the register after every clock pulse for the LEFT RIGHT /control waveform given. A HIGH on this input permits

Draw a neat labelled diagram of the osi reference model, Draw a neat labell...

Draw a neat labelled diagram of the OSI reference model for computer networks showing all the layers and the communication subnet boundary. The computer network consists of all

Shared memory and distributed memory, Shared Memory Refers to the memor...

Shared Memory Refers to the memory part of a computer system in which the memory can processed directly by any of the processors in the system. Distributed Memory Refer

How can i model a bi-directional net, How can I model a bi-directional net ...

How can I model a bi-directional net with assignments influencing both source and destination? Assign statement constitutes a continuous assignment. Changes on the RHS of stat

Explain extended binary coded decimal interchange code, Q. Explain Extended...

Q. Explain Extended Binary Coded Decimal Interchange Code? Extended Binary Coded Decimal Interchange Code (EBCDIC) is a character-encoding format employed by IBM mainframes. It

Difference between data warehousing and data mining, What is the difference...

What is the difference between data warehousing and data mining? The dissimilarity between data warehousing and data mining: Data warehousing seems to the data storage wh

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