perl 讀寫配置檔案

1.配置檔案格式形式如下

[newbin]

path = /data1/vshare/newbin

uid = root

gid = root

read only = no 

[col]

path = /data1/col

uid = root

gid = root

read only = no

2.讀配置函式

read_conf()

讀出為整個hash

$hash= 「/data1/vshare/newbin」

3.讀大分類函式

read_cat($cat)

讀出為$hash= 「/data1/vshare/newbin」

4.讀key函式

read_cat_key($cat,$key)

讀出為值

5.寫指定資料函式

write_cat_key($cat,$key,$value)

（1）讀出整個配置，替換此value，整個重寫回去

#! /usr/bin/perl

use rw_conf; 
$cup = new rw_conf(); 
$cup->setfilename("my.conf"); 
# my %ret = $cup->read_conf();
# foreach my $cat( keys %ret)});
# print "[".$cat."]".$key."=".$value,"\n";
# } 
# } 
#my $cat="lady_high";
#my %ret = $cup->read_cat($cat);
# foreach my $key( keys %ret );
# print "[".$cat."]".$key."=".$value,"\n";
# }
#my $cat="lady_high";
#my $key="vcodec";
#my $value = $cup->read_cat_key($cat,$key);
#print "[".$cat."]".$key."=".$value,"\n";
my $cat="lady_high";
my $key="***xx";
$cup->write_cat_key($cat,$key,"yyyy");
my $cat="lady_high";
my $key="vfopts2";
$cup->write_cat_key($cat,$key,"yyyy");

package rw_conf;

use strict;
sub new ; 
bless $this; 
return $this; 
}sub setfilename()
=shift;
}sub getfilename();}
#讀配置函式
#read_conf 返回 %hash
sub read_conf()
or die("can't not open ".$this->."\n"); 
my $cat="";
my $key="";
while (my $myline = ) 
elsif ($myline =~ /=/) 
=$value;
#print "[".$cat."]|".$key."|".$value,"\n";}}
close fh; 
return %ret;
}#讀大分類函式
#read_cat($cat)
#讀出為%hash
sub read_cat()
or die("can't not open ".$this->."\n"); 
my $cat="";
my $key="";
while (my $myline = ) 
elsif ($myline =~ /=/) 
=$value;
#print "[".$cat."]|".$key."|".$value,"\n";}}
close fh; 
return %};
}#讀key函式
#read_cat_key($cat,$key)
sub read_cat_key()
or die("can't not open ".$this->."\n"); 
my $cat="";
my $key="";
while (my $myline = ) 
elsif ($myline =~ /=/) 
=$value;
#print "[".$cat."]|".$key."|".$value,"\n";}}
close fh; 
return $ret;
}#寫指定資料函式
#write_cat_key($cat,$key)
#讀出整個配置，替換此value，整個重寫回去
sub write_cat_key()
or die("can't not open ".$this->."\n"); 
my $cat="";
my $key="";
while (my $myline = ) 
elsif ($myline =~ /=/) 
=$value;
#print "[".$cat."]|".$key."|".$value,"\n";}}
close fh; 
$ret=$write_value;
#重寫配置檔案
open det,">", $this-> || die ("can't not open ".$this->."\n"); 
foreach my $cat( keys %ret)}); 
print det $key."=".$value,"\n";
} 
} close det; } 
1;

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