You can avoid the second sort if you use a simple regular array instead of a hash. The idea to sort the lengths and then print the leader is kind of neat, but only keeping the maximum saves memory.
If you want to keep the sort idea, use an array of arrays.
Actually I got a list of file end with *.txt
I want to use the same command apply to all the *.txt
Thus I try to find out the fastest way to write those same command in a script and then want to let them run automatics.
For example:
I got the file below:
file1.txt
file2.txt
file3.txt... (4 Replies)
Hi Experts,
I am adding a column of numbers with awk , however not getting correct output:
# awk '{sum+=$1} END {print sum}' datafile
2.15291e+06
How can I getthe output like : 2152910
Thank you..
# awk '{sum+=$1} END {print sum}' datafile
2.15079e+06 (3 Replies)
Hi
I have many problems with a script. I have a script that formats a text file but always prints the same error when i try to execute it
The code is that:
{
if (NF==17){
print $0
}else{
fields=NF;
all=$0;
while... (2 Replies)
I have two files which I would like to compare and then manipulate in a way.
File1:
pictures.txt 1.1 1.3
dance.txt 1.2 1.4
treehouse.txt 1.3 1.5
File2:
pictures.txt 1.5 ref2313 1.4 ref2345 1.3 ref5432 1.2 ref4244
dance.txt 1.6 ref2342 1.5 ref2352 1.4 ref0695 1.3 ref5738 1.2... (1 Reply)
Hi,
I have a situation to compare one file, say file1.txt with a set of files in directory.The directory contains more than 100 files.
To be more precise, the requirement is to compare the first field of file1.txt with the first field in all the files in the directory.The files in the... (10 Replies)
Hello experts,
I'm stuck with this script for three days now. Here's what i need.
I need to split a large delimited (,) file into 2 files based on the value present in the last field.
Samp: Something.csv
bca,adc,asdf,123,12C
bca,adc,asdf,123,13C
def,adc,asdf,123,12A
I need this split... (6 Replies)
Hi,
I am trying to pass awk field to a command line executed within awk (need to convert a timestamp into formatted date).
All my attempts failed this far.
Here's an example.
It works fine with timestamp hard-codded into the command
echo "1381653229 something" |awk 'BEGIN{cmd="date -d... (4 Replies)
Good evening, Im newbie at unix specially with awk
From an scheduler program called Autosys i want to extract some data reading an inputfile that comprises jobs names, then formating the output to columns for example
1.
This is the inputfile:
$ more MapaRep.txt
ds_extra_nikira_usuarios... (18 Replies)
Discussion started by: alexcol
18 Replies
LEARN ABOUT OSX
modperl::code
ModPerl::Code(3) User Contributed Perl Documentation ModPerl::Code(3)NAME
$class::Const - Perl Interface for $class Constants
SYNOPSIS CONSTANTS
EOF
my $groups = $data{$class};
for my $group (sort keys %$groups) {
print $fh <<"EOF";
":$group"
use $class::Const -compile qw(:$group);
The ":$group" group is for XXX constants.
EOF
for my $const (sort @{ $groups->{$group} }) {
print $fh "=head3 C<$class::$const>
";
}
}
print $fh "=cut
";
}
}
sub generate_constants_lookup_doc {
my ($data) = @_;
while (my ($class, $groups) = each %$Apache2::ConstantsTable) {
my $constants = [map { @$_ } values %$groups];
constants_lookup_code_doc($constants, $class, $data);
}
}
sub generate_constants_group_lookup_doc {
my ($data) = @_;
while (my ($class, $groups) = each %$Apache2::ConstantsTable) {
constants_group_lookup_code_doc($class, $groups, $data);
}
}
sub constants_group_lookup_code_doc {
my ($class, $groups, $data) = @_;
my @tags;
my @code;
while (my ($group, $constants) = each %$groups) {
$data->{$class}{$group} = [
map {
my @ifdef = constants_ifdef($_);
s/^($constant_prefixes)_?//o;
$seen_const{$class}{$_}++;
$_;
} @$constants
];
}
}
sub constants_lookup_code_doc {
my ($constants, $class, $data) = @_;
my (%switch, %alias);
%alias = %shortcuts;
my $postfix = lc $class;
my $package = $class . '::';
my $package_len = length $package;
my $func = canon_func(qw(constants lookup), $postfix);
for (@$constants) {
if (s/^($constant_prefixes)(_)?//o) {
$alias{$_} = join $2 || "", $1, $_;
}
else {
$alias{$_} ||= $_;
}
next unless /^([A-Z])/;
push @{ $switch{$1} }, $_;
}
for my $key (sort keys %switch) {
my $names = $switch{$key};
for my $name (@$names) {
my @ifdef = constants_ifdef($alias{$name});
push @{ $data->{$class}{other} }, $name
unless $seen_const{$class}{$name}
}
}
}
sub generate_exports {
my ($self, $c_fh) = @_;
require ModPerl::WrapXS;
ModPerl::WrapXS->generate_exports($c_fh); }
# src/modules/perl/*.c files needed to build APR/APR::* outside # of mod_perl.so sub src_apr_ext {
return map { "modperl_$_" } (qw(error bucket),
map { "common_$_" } qw(util log)); }
1; __END__
NAME
ModPerl::Code - Generate mod_perl glue code
SYNOPSIS
use ModPerl::Code ();
my $code = ModPerl::Code->new;
$code->generate;
DESCRIPTION
This module provides functionality for generating mod_perl glue code. Reason this code is generated rather than written by hand include:
consistency
thin and clean glue code
enable/disable features (without #ifdefs)
adapt to changes in Apache
experiment with different approaches to gluing
AUTHOR
Doug MacEachern
perl v5.16.2 2011-02-07 ModPerl::Code(3)