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Full Discussion: Specify an entire UNIX command as a command line argument
Top Forums Shell Programming and Scripting Specify an entire UNIX command as a command line argument Post 302771093 by Chubler_XL on Wednesday 20th of February 2013 03:25:40 PM
Old 02-20-2013
Why not try something like this for you YN script:

Code:
ans=""
while [ -z "$ans" ]
do
    printf "%s" "$1"
    read ans
    case $ans in
        y|Y) true;;
        n|N) false;;
        *)   tput cuu1
             ans="";;
    esac
done

You can then use the if statement to deal with both answers.
Note you can also nest questions and it all looks pretty neat:

Code:
if YN "Do you want to list the file dog? "
then
    ls -al dog
else
    if YN "How about the file cat then? "
    then
        ls -al cat
    fi
fi

---------- Post updated 21-02-13 at 06:25 AM ---------- Previous update was 20-02-13 at 06:56 AM ----------

Also, if you have a single action you can combine use && like this:

Code:
YN "Do you want to list the file dog? " && ls -al dog

or use || if action is for negative response.
 

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LEARN ABOUT CENTOS

paps

PAPS(1) 						      General Commands Manual							   PAPS(1)

NAME

       paps - UTF-8 to PostScript converter using Pango

SYNOPSIS

       paps [options] files...

DESCRIPTION

       paps reads a UTF-8 encoded file and generates a PostScript language rendering of the file. The rendering is done by creating outline curves
       through the pango ft2 backend.

OPTIONS

       These programs follow the usual GNU command line syntax, with long options starting with  two  dashes  (`-').   A  summary  of  options	is
       included below.

       --landscape
	      Landscape output. Default is portrait.

       --columns=cl
	      Number of columns output. Default is 1.

       --font=desc
	      Set the font description. Default is Monospace 12.

       --rtl  Do rtl layout.

       --paper ps
	      Choose paper size. Known paper sizes are legal, letter, a4. Default is A4.

       --bottom-margin=bm
	      Set bottom margin in postscript points (1/72 inch). Default is 36.

       --top-margin=tm
	      Set top margin. Default is 36.

       --left-margin=lm
	      Set left margin. Default is 36.

       --right-margin=rm
	      Set right margin. Default is 36.

       --help Show summary of options.

       --header
	      Draw page header for each page.

       --markup
	      Interpret the text as pango markup.

       --encoding=ENCODING
	      Assume the documentation encoding is ENCODING.

       --lpi  Set the lines per inch. This determines the line spacing.

       --cpi  Set the characters per inch. This is an alternative method of specifying the font size.

       --stretch-chars
	      Indicates  that  characters  should be stretched in the y-direction to fill up their vertical space. This is similar to the texttops
	      behaviour.

AUTHOR

       paps was written by Dov Grobgeld <dov.grobgeld@gmail.com>.

       This manual page was written by Lior Kaplan <kaplan@debian.org>, for the Debian project (but may be used by others).

								  April  17, 2006							   PAPS(1)
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