08-16-2011
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
hi @all
question from an absolute beginner:
I want directory listings to be displayed with different colors...
what do I have to do and where can I find the settings?
thx (4 Replies)
Discussion started by: tk876
4 Replies
2. UNIX for Dummies Questions & Answers
I need to print to file , a listing of all files below a certain directory.
Example: I need to print to file a listing of all files below the etc dir (including the subdirectories) with their full path. Any ideas on how to do this with one command. Or is this something I need to do on all... (4 Replies)
Discussion started by: gforty
4 Replies
3. UNIX for Dummies Questions & Answers
I have two Directories, foo and foobar.
I want to combine the contents of foo into foobar.
There is probably a simple command for this, but I have yet to find it.
Thanks in advance,
Robert (2 Replies)
Discussion started by: Phobos
2 Replies
4. UNIX for Dummies Questions & Answers
I am setting up a design tools server on a machine running Solaris9.
I want to setup a partition that contains a number of design tools.
If I go to / and type mkdir "tools" then I am on the root partition.
How do I get "/tools" to be on a separate partition?
(I also have the same problem... (2 Replies)
Discussion started by: smo59
2 Replies
5. Shell Programming and Scripting
I have 4 directory
Dir1
file1 file2 file3 file4
Dir2
file3 file5 file6 file8
Dir3
file1 file2 file6 file9 file10
Dir4
file3 file6 file12 file15
and all the 4 dirs are having couple of files.
Few of the files are common to other directory/ies and few... (1 Reply)
Discussion started by: reldb
1 Replies
6. Shell Programming and Scripting
Hi there,
Presently using du -ks and storing all directory summaries manually. Is there any other way or easier way to accomplish monitoring directories and check everyday/week for updates on particular dirs that I am interested in.
Automation of this functionality maybe? (1 Reply)
Discussion started by: da-seot
1 Replies
7. Solaris
Hi all,
I would like to know the difference between the different dir structures present in solaris!!!
Meaning what does /usr contain, /etc ,/opt/ ,so on...
I know what /usr and /etc are used for.
But why are /opt /bin /sbin /var and many more that i have missed
I would appreciate if... (1 Reply)
Discussion started by: wrapster
1 Replies
8. UNIX for Dummies Questions & Answers
Hi
Im quite new at this so I will try to explain what need to do and I hope you can give me some pointers & tips.
On this scenario I have 3 users
AriStar
Userno1
Userno2
Userno1 has one directory (with sub dirs), all directories have certain files with different restrictions.
What I... (1 Reply)
Discussion started by: AriStar
1 Replies
9. Emergency UNIX and Linux Support
df -k | grep -v dcs |grep -v Filesystem| awk -F" " '{if(substr($5,0,length($5)-1)>87)print $5" " $6}' >> sms.txt
1) Is it the correct way to list all the filesystems > 90%
2) Is there any way to print hostname in this command ? The hostname should get printed in sms.txt file only when there... (9 Replies)
Discussion started by: ajaypatil_am
9 Replies
10. Emergency UNIX and Linux Support
Hi Experts,
I want to find all the dirs , subdirs on the sever which start with "sr".
Can anyone let me know command for the same.
find . -type d -name sr* I tried this but it is not working.
Thanks,
Ajay (4 Replies)
Discussion started by: ajaypatil_am
4 Replies
LEARN ABOUT OSX
data::dumper::concise::sugar
Data::Dumper::Concise::Sugar(3) User Contributed Perl Documentation Data::Dumper::Concise::Sugar(3)
NAME
Data::Dumper::Concise::Sugar - return Dwarn @return_value
SYNOPSIS
use Data::Dumper::Concise::Sugar;
return Dwarn some_call(...)
is equivalent to:
use Data::Dumper::Concise;
if (wantarray) {
my @return = some_call(...);
warn Dumper(@return);
return @return;
} else {
my $return = some_call(...);
warn Dumper($return);
return $return;
}
but shorter. If you need to force scalar context on the value,
use Data::Dumper::Concise::Sugar;
return DwarnS some_call(...)
is equivalent to:
use Data::Dumper::Concise;
my $return = some_call(...);
warn Dumper($return);
return $return;
If you need to force list context on the value,
use Data::Dumper::Concise::Sugar;
return DwarnL some_call(...)
is equivalent to:
use Data::Dumper::Concise;
my @return = some_call(...);
warn Dumper(@return);
return @return;
If you want to label your output, try DwarnN
use Data::Dumper::Concise::Sugar;
return DwarnN $foo
is equivalent to:
use Data::Dumper::Concise;
my @return = some_call(...);
warn '$foo => ' . Dumper(@return);
return @return;
If you want to output a reference returned by a method easily, try $Dwarn
$foo->bar->{baz}->$Dwarn
is equivalent to:
my $return = $foo->bar->{baz};
warn Dumper($return);
return $return;
If you want to format the output of your data structures, try DwarnF
my ($a, $c) = DwarnF { "awesome: $_[0] not awesome: $_[1]" } $awesome, $cheesy;
is equivalent to:
my @return = ($awesome, $cheesy);
warn DumperF { "awesome: $_[0] not awesome: $_[1]" } $awesome, $cheesy;
return @return;
If you want to immediately die after outputting the data structure, every Dwarn subroutine has a paired Ddie version, so just replace the
warn with die. For example:
DdieL 'foo', { bar => 'baz' };
DESCRIPTION
use Data::Dumper::Concise::Sugar;
will import Dwarn, $Dwarn, DwarnL, DwarnN, and DwarnS into your namespace. Using Exporter, so see its docs for ways to make it do something
else.
Dwarn
sub Dwarn { return DwarnL(@_) if wantarray; DwarnS($_[0]) }
$Dwarn
$Dwarn = &Dwarn
$DwarnN
$DwarnN = &DwarnN
DwarnL
sub Dwarn { warn Data::Dumper::Concise::Dumper @_; @_ }
DwarnS
sub DwarnS ($) { warn Data::Dumper::Concise::Dumper $_[0]; $_[0] }
DwarnN
sub DwarnN { warn '$argname => ' . Data::Dumper::Concise::Dumper $_[0]; $_[0] }
Note: this requires Devel::ArgNames to be installed.
DwarnF
sub DwarnF (&@) { my $c = shift; warn &Data::Dumper::Concise::DumperF($c, @_); @_ }
TIPS AND TRICKS
global usage
Instead of always just doing:
use Data::Dumper::Concise::Sugar;
Dwarn ...
We tend to do:
perl -MData::Dumper::Concise::Sugar foo.pl
(and then in the perl code:)
::Dwarn ...
That way, if you leave them in and run without the "use Data::Dumper::Concise::Sugar" the program will fail to compile and you are less
likely to check it in by accident. Furthmore it allows that much less friction to add debug messages.
method chaining
One trick which is useful when doing method chaining is the following:
my $foo = Bar->new;
$foo->bar->baz->Data::Dumper::Concise::Sugar::DwarnS->biff;
which is the same as:
my $foo = Bar->new;
(DwarnS $foo->bar->baz)->biff;
SEE ALSO
You probably want Devel::Dwarn, it's the shorter name for this module.
perl v5.16.2 2011-01-20 Data::Dumper::Concise::Sugar(3)