Dr.Ruud wrote:
Manfred Lotz schreef:
I like to specify a raw string, like for example $w:
my $who = "my friend";
my $w = q(This is \n $who.);
Now I want to evaluate that raw string so that the result is a string:
This is
my friend.
eval doesn't seem to help.
Actually I want to be able to specify a raw string where at the end of
the day only variables get expanded.
Any idea how to do this?
This is an X-Y question. ("How do I X with Y?")
That is a bad question format. A good question format is "How do I X?".
Now tell us a bit more about what you want to achieve and about its
environment.
Maybe you need a closure, or even just a sprintf, to do it properly.
Well, you are right. I was not very specific. Sorry about that.
What I actually want is to write a script where I call system commands
which I want to specify as strings and I don't want to escape
backslashes etc in the command string. That's why q() would be fine.
On the other hand I like to have Perl variables in the command string
which I want to have evaluated before issuing the system command. Which
makes q() a nogo.
Example:
my $DRYRUN="--dry-run";
my $cmd = q(rsync $DRYRUN -avh \
-exclude bla1 \
-exclude bla2 \
src tgtdir
};
system($cmd);
I would be happy if all occurences of simple vars ($v, $a_b etc.) would
be evaluated. More complex stuff like $h{$key} would be nice but isn't
really that important to have.
--
Thanks,
Manfred
.
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
http://learn.perl.org/
