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Full Discussion: inline redirect stdin
Top Forums UNIX for Advanced & Expert Users inline redirect stdin Post 302234370 by era on Tuesday 9th of September 2008 02:02:02 PM
Old 09-09-2008
I don't think you can, especially not with the same delimiter for them all. Perl has support for combining here documents but you still can't nest them there, only serialize.

Code:
perl -e 'print <<HERE; print <<THERE; print <<EVERYWHERE;
I am the walrus
HERE
The walrus was Paul
THERE
Happiness is a warm gun
EVERYWHERE
print "done.\n"'

But this is Perl only as far as I know.

What do you mean by nesting these, and how do you expect to achieve three of the "quiz" processes? Do you mean a pipeline, by any chance?

Code:
quiz | qtp | qdesign

That's still only one of each (pipes the output as quiz as the input to qtp, then the output from that as input to qdesign.)

Last edited by era; 09-09-2008 at 03:04 PM.. Reason: Pipeline speculation
 

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Regexp::Common::delimited(3)				User Contributed Perl Documentation			      Regexp::Common::delimited(3)

NAME
Regexp::Common::delimited -- provides a regex for delimited strings SYNOPSIS
use Regexp::Common qw /delimited/; while (<>) { /$RE{delimited}{-delim=>'"'}/ and print 'a " delimited string'; /$RE{delimited}{-delim=>'/'}/ and print 'a / delimited string'; } DESCRIPTION
Please consult the manual of Regexp::Common for a general description of the works of this interface. Do not use this module directly, but load it via Regexp::Common. $RE{delimited}{-delim}{-esc} Returns a pattern that matches a single-character-delimited substring, with optional internal escaping of the delimiter. When "-delim=S" is specified, each character in the sequence S is a possible delimiter. There is no default delimiter, so this flag must always be specified. If "-esc=S" is specified, each character in the sequence S is the delimiter for the corresponding character in the "-delim=S" list. The default escape is backslash. For example: $RE{delimited}{-delim=>'"'} # match "a " delimited string" $RE{delimited}{-delim=>'"'}{-esc=>'"'} # match "a "" delimited string" $RE{delimited}{-delim=>'/'} # match /a / delimited string/ $RE{delimited}{-delim=>q{'"}} # match "string" or 'string' Under "-keep" (See Regexp::Common): $1 captures the entire match $2 captures the opening delimiter (provided only one delimiter was specified) $3 captures delimited portion of the string (provided only one delimiter was specified) $4 captures the closing delimiter (provided only one delimiter was specified) $RE{quoted}{-esc} A synonym for $RE{delimited}{q{-delim='"`}{...}} SEE ALSO
Regexp::Common for a general description of how to use this interface. AUTHOR
Damian Conway (damian@conway.org) MAINTAINANCE
This package is maintained by Abigail (regexp-common@abigail.be). BUGS AND IRRITATIONS
Bound to be plenty. For a start, there are many common regexes missing. Send them in to regexp-common@abigail.be. LICENSE and COPYRIGHT This software is Copyright (c) 2001 - 2009, Damian Conway and Abigail. This module is free software, and maybe used under any of the following licenses: 1) The Perl Artistic License. See the file COPYRIGHT.AL. 2) The Perl Artistic License 2.0. See the file COPYRIGHT.AL2. 3) The BSD Licence. See the file COPYRIGHT.BSD. 4) The MIT Licence. See the file COPYRIGHT.MIT. perl v5.16.2 2010-02-23 Regexp::Common::delimited(3)
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