Write a shell program that counts the number of files in a given directory.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Write a shell program that counts the number of files in a given directory. The
directory should be specified as a command line argument. The program does
not need to count files recursively in subdirectories; instead, it should not count subdirectories at all.

6. The following formula can be used to describe the dimensions of a loading ramp:
h
sin(0):
where 0 is the incline angle of the ramp, h is the height of the ramp, and l is the
length of the ramp. Write a program that calculates the needed length of a ramp
given a desired incline and height. For example, given an incline of 9.5 degrees
and a height of 0.5 m, a ramp needs to be 3.03 m in length. The program should
prompt the user for the needed values and calculate and report the required
length. The program should make use of the math library for the sin() function,
and should use the macro M_PI for the value of a to convert degrees to radians
(radians = degrees × ).
%3D
180
Transcribed Image Text:6. The following formula can be used to describe the dimensions of a loading ramp: h sin(0): where 0 is the incline angle of the ramp, h is the height of the ramp, and l is the length of the ramp. Write a program that calculates the needed length of a ramp given a desired incline and height. For example, given an incline of 9.5 degrees and a height of 0.5 m, a ramp needs to be 3.03 m in length. The program should prompt the user for the needed values and calculate and report the required length. The program should make use of the math library for the sin() function, and should use the macro M_PI for the value of a to convert degrees to radians (radians = degrees × ). %3D 180
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