Question: variables and newlines

[Alexander Elgert]

Hello,

I tried to set newline chars at the end of a variable.
But it does not seem to be possible:

        $ IFS="" x="$(echo -en "www\n\n\n")"; echo -n "$x" | xxd
        0000000: 7777 77                                  www
        $ 

I figured out that any ending newline chars are cut, but not the chars
in the front nor between. So I added a space after a newline and 
removed it again, this works:
                                         |     |||||||||||      
                                         v     vvvvvvvvvvv
        $ IFS="" x="$(echo -en "www\n\n\n ")"; x="${x% }"; echo -n "$x" | xxd
        0000000: 7777 770a 0a0a                           www...
        $ 

How do I add newlines at the end of a string without "bad tricks" ?

Greetings,
        Alexander

-- 
Alexander Elgert
Public Gruppe
RechnerBetriebsGruppe    TU Darmstadt  (FB 20)   Tel:  +49 06151 16-4333
                                                 Raum: S1/13 11a (alt 25/11a)

FAQ2: http://www.informatik.tu-darmstadt.de/RBG/service/FAQ2/