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Full Discussion: Bash if and loops help
Homework and Emergencies Homework & Coursework Questions Bash if and loops help Post 302513264 by boyboy1212 on Tuesday 12th of April 2011 05:13:30 PM
Old 04-12-2011
Bash if and loops help
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!

1. The problem statement, all variables and given/known data:

Your shell script should continue to execute until the user selects option 4

2. Relevant commands, code, scripts, algorithms:


echo
read

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

#!/bin/bash
#My Name

#!/bin/bash
#My Name
REPEAT="!4"

while [ "$REPEAT" = "1, 2, 3" ]
do
echo "1. Display a long listing of the current directory"
echo "2. Display who is logged on the system"
echo "3. Display the current date and time"
echo "4. Quit"

if [$1]

ls -l

else
if [$2]

#command corresponding to choice given

else
if [$3]

#command coresponding to choice given

else
if [$4]

#command coresponding to choice given

done


is the while parameters while [ "$REPEAT" = "1, 2, 3" ] is that right or can i just put [ "$REPEAT" = "!4" ]? for a shorter version?



4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
Sheridan, Brampton Canada, SYST13416 LinuxUNIXOperating Systems
Martin
Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).
Last edited by boyboy1212; 04-12-2011 at 09:36 PM..
 

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LEARN ABOUT OPENSOLARIS

mktemp

mktemp(3C)						   Standard C Library Functions 						mktemp(3C)

NAME

       mktemp - make a unique file name  from a template

SYNOPSIS

       #include <stdlib.h>

       char *mktemp(char *template);

DESCRIPTION

       The  mktemp() function replaces the contents of the string pointed to by template with a unique file name, and returns template. The string
       in template should look like a file name with six trailing 'X's; mktemp() will replace the 'X's with a character string that can be used to
       create a unique file name. Only 26 unique file names per thread can be created for each unique template.

RETURN VALUES

       The mktemp() function returns the pointer template. If a unique name cannot be created, template points to a null string.

ERRORS

       No errors are defined.

EXAMPLES

       Example 1 Generate a filename.

       The  following example replaces the contents of the "template" string with a 10-character filename beginning with the characters "file" and
       returns a pointer to the "template" string that contains the new filename.

	 #include <stdlib.h>
	 ...
	 char *template = "/tmp/fileXXXXXX";
	 char *ptr;
	 ptr = mktemp(template);

USAGE

       Between the time a pathname is created and the file opened, it is possible for some other process to create a file with the same name.  The
       mkstemp(3C) function avoids this problem and is preferred over this function.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mkstemp(3C), tmpfile(3C), tmpnam(3C), attributes(5), standards(5)

SunOS 5.11							    15 Sep 2004 							mktemp(3C)
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