根据使用频率输出dmenu的结果代码,Perl代码库,德仔网

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【Perl】根据使用频率输出dmenu的结果

作者:施宇迪 / 发布于2011/11/29/ 1116

<div>!/usr/bin/perl</div>
<div> sydi_dmenu --- 
# 
# Filename: sydi_dmenu
# Description: This script make dmenu more 'smart' choosing program
# run by making a counter to each command. Simplely use
# this script as how u r using dmenu.
# Author: Sylvester Y. Shi
# Maintainer: Sylvester Y. Shi
# Created: 一 11月 28 21:15:47 2011 (+0800)
# Version: 0.1
# Last-Updated: 一 11月 28 21:27:52 2011 (+0800)
# By: Sylvester Y. Shi
# Update #: 16
# URL: <a href="http://blog.sydi.org/">http://blog.sydi.org/</a>
# Keywords: dmenu, smart, perl
# Compatibility: dmenu 4.4.1+, or less than it, but without test.
# 
#</div>
<div> Commentary: 
# varible $data_file is the data file using this script, change it 
# as u like to satified ur need.
# 
# The script is writtern by `sylvester' for fun, u can contact to me
# as follow.
# mail: <a href="mailto:cedsyd@gmail.com">cedsyd@gmail.com</a>
# weibo: sylvester324</div>
<div>
# Change Log:
# 28-Nov-2011 Sylvester Y. Shi 
# Last-Updated: 一 11月 28 21:23:47 2011 (+0800) #2 (Sylvester Y. Shi)
# Create File. 
# 
#</div>
<div> 
# *This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth
# Floor, Boston, MA 02110-1301, USA.
# 
#</div>
<div> Code:</div>
<div>use autodie;</div>
<div>my $data_file = "/home/sylvester/bin/data.dmenu.sydi";
my @bin_dirs = split /:/, $ENV{PATH};
my %all_bins;</div>
<div>sub check_data_file
{
 system("touch $data_file") if not -e $data_file;
}
<div>sub load_data
{
 open my $fh, "lsx @bin_dirs 2>/dev/null |";
 my %now_bins = map { chomp; $_ => 0 } <$fh>;
 close $fh;</div>
<div> open my $fh_old, "<$data_file";
 my %old_bins = map { chomp; split / /,$_ } <$fh_old>;
 close $fh_old;</div>
<div> %all_bins = (%now_bins, %old_bins);
}
<div>sub sort_bins
{
 my @bins = keys %all_bins;
 my @sorted_bins = sort { $all_bins{$b} cmp $all_bins{$a} } @bins;
}
<div>sub get_bins_str
{
 my $sorted_bins = shift;
 my $bins_str;
 foreach (@$sorted_bins)
 {
$bins_str .= "$_\n";
 }
 return $bins_str;
}
<div>sub call_dmenu
{
 my $bins_str = shift;
 my @args = map { "'$_'" } @ARGV;</div>
<div> open my $fh, "echo '$bins_str' | dmenu @args |";</div>
<div> my $cmd = <$fh>;
 chomp $cmd;
 $all_bins{$cmd}++ if $cmd ne '' and exists $all_bins{$cmd};
 
 print $cmd;
}
<div>sub keep_in_data_file
{
 open my $fh_old, ">$data_file";
 while (my ($key, $value) = each %all_bins)
 {
print $fh_old "$key $value\n";
 }
 close $fh_old;
}
<div>
check_data_file;
load_data;
my @sorted_bins = sort_bins;
my $bins_str = get_bins_str \@sorted_bins;
call_dmenu $bins_str;
keep_in_data_file;</div>
<div>
# 
# sydi_dmenu ends here
</div>

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