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In: Computer Science

using Linux please fill in the blanks : telnos files:

 

using Linux please fill in the blanks :

telnos files:

telnos

telnos2

Hale Elizabeth Bot   744-6892
Harris Thomas Stat 744-7623
Davis Paulette Phys 744-9579
Cross Joseph   MS    744-0320
Holland Tod    A&S   744-8368

Hale Elizabeth Bot   744-6892
Harris Thomas Stat 744-7623
Davis Paulette Phys 744-9579
Holland Tod    A&S   744-8368

telnos3

telnos 4

Hale Elizabeth Bot   744-6892
Harris Thomas Stat 744-7623
Smith John     Comsc 744-4444
Davis Paulette Phys 744-9579
Cross Joseph   MS    744-0320
Holland Tod    A&S   744-8368

Hale Elizabeth Bot   744-6892
Smith John     Comsc 744-4444
Davis Paulette Phys 744-9579
Cross Joseph   MS    744-0320
Holland Tod    A&S   744-8368

The file books contains the following information:

Subject

Book Title

Author's

Last Name

Author's

First Name

Pub.

Date

Price

UNIX:

Introduction to UNIX:

Wrightson:

Kate:

2003:

45.00:

UNIX:

Just Enough UNIX:

Anderson:

Paul:

2003:

39.00:

UNIX:

Bulletproof UNIX:

Gottleber:

Timothy

2002:

48.00:

UNIX:

Learning the Korn Shell:

Rosenblatt:

Bill:

1994:

35.95:

UNIX:

A Student's Guide to UNIX:

Hahn:

Harley:

1993:

24.50:

UNIX:

Unix Shells by Example:

Quigley:

Ellie:

1997:

49.95:

UNIX:

UNIX and Shell Programming:

Forouzan:

Behrouz:

2002:

80.00:

UNIX:

UNIX for Programmers and Users:

Glass:

Graham:

1993:

50.00:

SAS:

SAS Software Solutions:

Miron:

Thomas:

1993:

25.95:

SAS:

The Little SAS Book, A Primer:

Delwiche:

Lora:

1998:

35.00:

SAS:

Painless Windows for SAS Users:

Gilmore:

Jodie:

1999:

40.00:

SAS:

Getting Started with SAS Learning:

Smith:

Ashley:

2003:

99.00:

SAS:

The How to for SAS/GRAPH Software:

Miron:

Thomas:

1995:

45.00:

SAS:

The Output Delivery System:

Haworth:

Lauren:

2001:

48.00:

SAS:

Proc Tabulate by Example:

Haworth:

Lauren:

1999:

42.00:

SAS:

SAS Application Programming:

Dilorio:

Frank:

1991:

35.00:

SAS:

Applied Statistics & SAS Programming:

Cody:

Ronald:

1991:

29.50:

issue the command:

        sort -n -t: +4 books

What is the result? ________________________________________________________________________________________________________________________________________________

Try another sort using the books file. Sort on the price field in reverse. Type in the following:

        sort -nr -t: +5 books

What was the result? _______________________________________________________________________________________________________________________________________________

Type in:

        sort -t: +0 +1 books > newbooks

What does the sorted file look like now?

__________________________________________________________________________________________________________________________________________________________________

. Issue the command:

               grep -n H telnos

What was printed? ________________________________________________________________________________________________________________________________________________________________________________________________________________________

Issue the command:

              grep -ni m telnos

What was printed this time?___________________________________________________________________________________________________________________________________________________________________________________________________________________

Solutions

Expert Solution

Answer 1
*************

Answer 2
***************

-n, --numeric-sort

-r, --reverse order

Answer 3
*************

-t, --field-separator=SEP

ascending order by 0th column then sort 1st column and create a new file for that sorted data and store result

Answer 4
*************

-n H

where ever found the H character gives the line number

Answer 5
*************

-n, --line-number
-i, --ignore case with character m

Thanks

venereology answered 2 years ago
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