How to use a multiple line list with the select command in ksh? Post: 302846299

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Top Forums Shell Programming and Scripting How to use a multiple line list with the select command in ksh? Post 302846299 by haganator on Friday 23rd of August 2013 11:39:17 AM

08-23-2013

Registered User

How to use a multiple line list with the select command in ksh?

I copied the below program to play around with displaying a list of items using the select command in ksh. When I put all items in the same line, it works fine. I am trying to use multiple lines instead of a single row...my list is too large for a single line. How do I get the line continuation to work properly. The initial script used a "\" at the end of the 2nd, 3rd, and 4th lines in the "select" command...this only displayed the "\" before the ^J. I took the "\" out, but that didn't change the output format. Here's the code:

Code:

#!/bin/ksh

set -A termnames gl35a t2000 s531 vt99
echo "\n"
print 'Select your terminal type:'
echo "\n"
PS3='terminal? '
select term in '
    'Givalt GL35a'
    'Tsoris T-2000'
    'Shande 531'
    'Vey VT99''
do
    if [[ -n $term ]]; then
        TERM=${termnames[REPLY-1]}
        print "TERM is $TERM"
        break
    fi
done

***********************************
The output below is from the above "select" command:

Select your terminal type:


1) ^J    Givalt
2) GL35a^J    Tsoris
3) T-2000^J    Shande
4) 531^J    Vey
5) VT99
terminal? 1
TERM is gl35a

I have also tried removing the single quotes that surround the list in the select command, but this returns the syntax error:

termname.sh[8]: syntax error at line 9 : `newline or ;' unexpected

Any help would be greatly appreciated.

Thanks,
Jeff

Last edited by vbe; 08-23-2013 at 12:56 PM.. Reason: code tags please for your code and data

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break

break(1)							   User Commands							  break(1)

NAME

       break, continue - shell built-in functions to escape from or advance within a controlling while, for, foreach, or until	loop

SYNOPSIS

   sh
       break [n]

       continue [n]

   csh
       break

       continue

   ksh
       *break [n]

       *continue [n]

DESCRIPTION

   sh
       The break utility exits from the enclosing for or while loop, if any. If n is specified, break n levels.

       The continue utility resumes the next iteration of the enclosing for or while loop. If n is specified, resume at the n-th enclosing loop.

   csh
       The  break  utility  resumes  execution after the end of the nearest enclosing foreach or while loop. The remaining commands on the current
       line are executed. This allows multilevel breaks to be written as a list of break commands, all on one line.

       The continue utility continues execution of the next iteration of the nearest enclosing while or foreach loop.

   ksh
       The break utility exits from the enclosed for, while, until, or select loop, if any. If n is specified,	then  break  n	levels.  If  n	is
       greater than the number of enclosing loops, the outermost enclosing loop shall be exited.

       The  continue utility resumes the next iteration of the enclosed for, while, until, or select loop. If n is specified then resume at the n-
       th enclosed loop. If n is greater than the number of enclosing loops, the outermost enclosing loop shall be used.

       On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:

       1.  Variable assignment lists preceding the command remain in effect when the command completes.

       2.  I/O redirections are processed after variable assignments.

       3.  Errors cause a script that contains them to abort.

       4.  Words that follow a command preceded by ** that are in the format of a variable assignment are expanded with the same rules as a  vari-
	   able  assignment.  This means that tilde substitution is performed after the = sign, and also that word splitting and file name genera-
	   tion are not performed.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), exit(1), ksh(1), sh( 1), attributes(5)

SunOS 5.10							    17 Jul 2002 							  break(1)