1) Write a bash shellscript named decbin that converts binary to decimal and the

Question

1) Write a bash shellscript named decbin that converts binary to decimal and the other wayaround.

Do not worry aboutnumbers that go over 8 bits, i.e. 11111111 is your highest binarynumber and 255

is your highestdecimal number. The user command to execute the script shallbe:

./decbin destinationnumber,where: destination = bor h

Examples:

- decbin b6

110

- decbin b24

11000

- decbin d10101010

170

2) Copy the followingnames into a file named namelist in your directory, and note that it contains alist

of usernames. Then,write a bash script named addnames that is to be called by the followinguser

command, wherenamelist is the name of the namelist file, andusername is a particular student's

username.

./addnames namelistusername

The script should dothe following:

o check that the correct number of arguments wasreceived and print a usage help message if not,

o check whether the namelist file exists and printan error message if not,

o check whether the username is already in thefile, and then either print amessage stating that the name already existed, oradd the name to the end of thelist.

The namesare:

azahrani

oqahtani

msolami

araddadi

Explanation / Answer

you will have better luck getting answers if you post eachscript req in a seperate question. most people dont want to domultiple programming assignments for one rating.. I will look atthe first one in a minute

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.