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

101-key enhanced keyboard, With its newer range of PCs IBM introduced 101-k...

With its newer range of PCs IBM introduced 101-key Enhanced/Advanced keyboard.  This keyboard is fundamental keyboard behind modern QWERTY keyboards. This has function keys aligned

What is circular shift, What is Circular shift The circular shift is al...

What is Circular shift The circular shift is also called as rotate operation. It circulates bits of the register around two ends and there is no loss of information. This is do

State the term in detail $strobe, State the term in detail $strobe $str...

State the term in detail $strobe $strobe. This task is very similar to $display task except for a slight difference.  If many other statements are executed in same time unit as

Develop a regular expression for integer & real number, Develop a regular e...

Develop a regular expression for (i) Integer (ii) Real number (i) A regular expression for integer is [+ | -] (d)+ (ii) A regular expression for real number is [+

Write miss policy - cache memories, WRITE MISS POLICY:   Write allo...

WRITE MISS POLICY:   Write allocate   fetch on write   fetch entire block, then write word into block   allocate a new block on each writ   allocate block, but

What are micrographics, What are micrographics? A micrographic is an im...

What are micrographics? A micrographic is an image or photographic reproduction of an object which is then changed to film. Micrographics are frequently used for permanent reco

What are the advantages of carrying out simulations, What are the Advantage...

What are the Advantages of carrying out simulations -  saves cost (instead of doing the real thing) -  Safer (scenarios tried out on the simulation first before used in real

Multiple instruction and multiple data stream (mimd), Multiple Instruction ...

Multiple Instruction and Multiple Data stream (MIMD) In this association, multiple control units and multiple processing elements are prepared as in MISD. But the discrepancy i

How does tcp/ip decide the size of an ip fragment, How does TCP/IP decide t...

How does TCP/IP decide the size of an IP fragment? Explain. TCP/IP protocol utilizes the name IP datagram to refer to an Internet packet. The amount of data carried into a data

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