On Fri, Jan 11, 2002 at 03:57:43AM -0800, Prasad Paranjape wrote:
>
> Bish has written 2tgz utility to convert deb and rpm
> apackages to .tgz.
>
> I was raeding the shell script and want to know how
> following piece of code works:
>
> cat <<- -EOF-
>
> ${PROGNAME} ver. ${VERSION}
>
> This is a program to Convert rpm and debian ....
>
> -EOF-
>
Yes, this is a technique for output to stdout used by all
shells and some scripting languages like perl. You may write
the full thing as statements, like:
echo "$PROGNAME $Ver. $VERSION"
echo
echo " This is a program .... " etc.
This would firstly be tedious, and you cannot format the thing
easily. To get fully formated text out, it is easier to use
the technique used in the script. You may even take the output
to a file (instead of the screen) as follows:
----------<snip>-----------------------
cat <<- -Some_delimiter- > filename.txt
This will be output to filename.txt
-Some_delimiter-
---------</snip>-----------------------
HTH
Bish
--
:
####[ Linux One Stanza Tip (LOST) ]###########################
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Want a listing of your program with line numbers ?
Try: nl -ba my_prog.c > my_prog.no.c
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