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Full Discussion: Writing Code
Homework and Emergencies Homework & Coursework Questions Writing Code Post 302377880 by akjim101 on Saturday 5th of December 2009 04:00:40 PM
Old 12-05-2009
Writing Code

1. The problem statement, all variables and given/known data:
Write a script that will perform the grep command on a user defined file and a user defined pattern


2. Relevant commands, code, scripts, algorithms:
must use grep command (that is the only piece of information that was given)


3. The attempts at a solution (include all code and scripts):

Code:
clear
loop=y
while [ "$loop" = y ]
do
 tput cup 2 23; echo " ~*~*~*~*~*~*~*~*~*~*~*~ "
 tput cup 3 23; echo " * Search for a Pattern * "
 tput cup 4 23; echo " ~*~*~*~*~*~*~*~*~*~*~*~ "
 tput cup 6 5; echo "Type in the pattern and path to the file you want to search for below," 
 tput cup 7 5; echo "or type Q to return to previous screen."
 tput cup 9 10; echo "Ex. : help /home/james/project/help"
 tput cup 11 5; 
read choice || continue
  case $choice in
    [Q,q]) clear; exit ;;
    *) grep * ;; esac
done

I understand that the grep * is telling it to look for a wildcard, however, I am not sure what it is that I need to write on that line.

4) Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
Fort Valley State University, Fort Valley Ga, Dr. Wang, CSCI 3331

Last edited by akjim101; 12-05-2009 at 05:25 PM.. Reason: code tags please
 

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tput(1) 						      General Commands Manual							   tput(1)

NAME
tput - Queries the terminal information database SYNOPSIS
tput [-S] [-T term] [capability_name [parameter...]] The tput command uses the terminfo database to make terminal-dependent information available to the shell. STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: tput: XCU5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. OPTIONS
[Tru64 UNIX] Specifies that input be received from standard input. Specifies the terminal type. By default, the terminal type is taken from the environment variable TERM. OPERANDS
The capability_name argument may be one of the following special strings: Displays the clear-screen sequence. Displays the sequences that initialize the user's terminal. [Tru64 UNIX] Displays the terminfo long name for the terminal. Displays the sequences that reset the user's terminal. DESCRIPTION
The capability_name argument indicates the attribute type from a terminfo file. The output of the tput command is a string if the attribute capability_name is of the type string, or an integer if the attribute is of the type integer. If the capability_name is of the type Boolean, the tput command sets the exit value to zero (0) for TRUE, 1 for FALSE, and produces no other output. For more information, see the terminfo(4) reference page. NOTES
If your terminal does not support the requested capability, it is not an error. EXIT STATUS
Equals FALSE Boolean value or the requested string was written successfully. [Tru64 UNIX] Equals TRUE Boolean value. Specifies a usage error. Specifies that information on this terminal is not available. Specifies that the capability_name is invalid. Specifies that an error occurred. EXAMPLES
To echo the clear-screen sequence for the current terminal: # tput clear To display the number of columns for the current terminal: # tput cols To set and unset the highlight-mode sequences for the current terminal: # bold=`tput smso` # unbold=`tput rmso` If you are using the C shell (csh), the argument to set and unset sequences must be enclosed in double quotes: # bold="`tput smso`" # unbold="`tput rmso`" Both of these examples can be followed by a prompt: echo "${bold}Please type in your name:${unbold} To set the exit value to indi- cate if the current terminal is a hardcopy terminal: tput hc If you are using the C shell (csh), the exit value for the preceding example is stored in $status; otherwise, the exit value is stored in $?. To move the cursor to line 2, row 2: tput cup 2 2 ENVIRONMENT VARIABLES
The following environment variables affect the execution of tput: Provides a default value for the internationalization variables that are unset or null. If LANG is unset or null, the corresponding value from the default locale is used. If any of the internationalization vari- ables contain an invalid setting, the utility behaves as if none of the variables had been defined. If set to a non-empty string value, overrides the values of all the other internationalization variables. Determines the locale for the interpretation of sequences of bytes of text data as characters (for example, single-byte as opposed to multibyte characters in arguments). Determines the locale for the for- mat and contents of diagnostic messages written to standard error. Determines the location of message catalogues for the processing of LC_MESSAGES. FILES
Terminal information database Definition files curses library definition file SEE ALSO
Commands: stty(1), tabs(1) Routines: curses(3) Files: terminfo(4) Standards: standards(5) tput(1)
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