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Full Discussion: PS3 and SELECT, is it possible to put a line break?
Top Forums Shell Programming and Scripting PS3 and SELECT, is it possible to put a line break? Post 302699523 by Don Cragun on Wednesday 12th of September 2012 12:38:42 AM
Old 09-12-2012
The Korn shell allows literal <newline> characters in quoted strings and has a $'...' form to allow the C language's backslash escapes in strings. So either of the following will set PS3 the way you want it:
Code:
PS3="
 ::  Please choose a VALID option : "

or
Code:
PS3=$'\n ::  Please choose a VALID option : '

The rest of your script looks OK to me (although I don't know what menu_db_admin is supposed to do).

When I'm writing ksh scripts, I usually add the optional opening parentheses in the case clauses to I can more easily match opening and closing braces, parentheses, and square brackets when I'm editing scripts.

Since you have this menu inside a shell function, I would usually get out of the function with a return rather than an exit, but that clearly depends on what you want to do with this function.
Code:
#!/bin/ksh
menu_main1() {
        PS3=$'\n ::  Please choose a VALID option : '
        printf "\n\n"
        select choice_main in "Generic SA" "Refresh Tasks" "Others" "Return"
        do
                case $choice_main in
                ( "Generic SA" )
                        echo "Generic SA"
                        clear
                        menu_db_admin;;
                ( "Refresh Tasks" )
                        echo "Refresh Tasks";;
                ( "Others" )
                        echo "Others";;
                ( "Return" )
                        return;;
                esac
        done
}
echo about to call menu_main1
menu_main1
echo menu_main1 has returned

This User Gave Thanks to Don Cragun For This Post:
newbie_01
 

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LEARN ABOUT DEBIAN

dcsort

DCSORT(1)					      DICOM PS3 - Make sorted list of images						 DCSORT(1)

NAME

       dcsort - ACR/NEMA DICOM PS3 ... DICOM PS3 - Make sorted list of images

SYNOPSIS

       dcsort  "  inputfile1  [ inputfile2 ... ]" [ -v|verbose ] [ -vv|veryverbose ] [ -vvv|veryveryverbose ] [ -index ] [ -show ] [ -interval ] [
		 -tolerance mm ] [ -check ] [ -checkFoR ] [ -descending ] [ -sortby|k  attributename ]

DESCRIPTION

       dcsort reads the named dicom input files and sorts them by the specified sort key.

       The sort key should be a single valued numeric attribute, with the exception of ImageOrientationPatient and ImagePositionPatient which  are
       handled as special cases.

       There is no output by default unless the index or verbose options are specified.

OPTIONS

       The output and errors go to standard error.

       The basic input switches are described in dcintro(1). Options specific to this program are:

       -index
	      Creates a first column of output that is the index in the sort order, starting from 0, and a second column that is the filename.

       -show
	      Show the value of the sort key after the file name with the -index option

       -interval
	      Show the interval between values of the sort key, or an error if not equal

       -tolerance mm
	      The tolerance value in mm to use when comparing intervals between slices; defaults to +/- 0.01 mm if unspecified

       -check
	      Check that all the images are from the same series.

       -checkFoR
	      Check that all the images have the same Frame of Reference (UID).

       -descending
	      Sort in descending, rather than the default ascending, order.

       -sortby|k  attributename
	      Specify attributename as the sort key.

ENVIRONMENT


EXAMPLES


       % dcsort -index -sortby SliceLocation ./1/[0-9]*
       0    ./1/1
       1    ./1/2

FILES


SEE ALSO

       dcintro(1)

AUTHOR

       Copyright (C) 1993-2010. David A. Clunie DBA PixelMed Publishing. All rights reserved.

BUGS

DICOM PS3							 22 December 2006							 DCSORT(1)
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