viewing paste Merger_file | Perl

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#!/usr/bin/perl
package merger;
use strict;
#use sortfile;
 
Main();
 
sub Main {
    my @aFilename = ();
    if(scalar(@ARGV) < 1){
        print "Please enter filenames\n";
        my $sFilein = <>; chop($sFilein);
        @aFilename = split(' ',$sFilein);
    }
    else { @aFilename = @ARGV; }
    print "Filenames given = @aFilename \n";
    if(scalar(@aFilename)%2){
        die "Number of filename given must be %2 \n";
    }
    my $rarhDesc = GetAllDesc(\@aFilename);
    MergeAll($rarhDesc,\@aFilename);
    print "End Merger\n";
}
 
sub GetAllDesc { my $raFilename = shift;
    print "Entering GetAllDesc\n";
    my @aFilename = @$raFilename;
    my @arhDesc = (); #array of reference hash (arh)
    foreach my $sFile (@aFilename){
        my $rhDesc = GetDesc($sFile);
        print "rhDesc = $rhDesc\n";
        push(@arhDesc,$rhDesc);
    }
    return \@arhDesc;
}
 
sub GetDesc { my $sFile = shift;
    print "Entering GetDesc for $sFile \n";
    my %hDesc;
    unless(-r "$sFile"){ print "Can't read/found $sFile\n"; next; }
    open FILEHANDLE,"$sFile" or next;
    my $sID;
    my $sTest;
    foreach(<FILEHANDLE>){
        if($_ =~ /#/){
#           $sTest++;
            $sID = $_; chomp($sID);
            $sID =~ s/\#//g; #remove # from string
            next if(length($sID)<2); #empty string
            $hDesc{$sID} = "";
#           die if($sTest >3);
#           print "my id = $sID \n";
        }
        else { $hDesc{$sID} .= $_; }
    }
#   Printhash(\%hDesc,0); #display result
    return \%hDesc;
}
 
sub MergeAll { my ($rarhDesc,$rafilename) = @_;
    print "Entering MergeAll with $rarhDesc $rafilename\n";
    my @arhDesc = @$rarhDesc; #tab of rhdesc
    my @afilename = @$rafilename;
#   print "arhDesc = [ @arhDesc ] \n";
#   print "afilename = [ @afilename ] \n";
    my $sI = 0;
    for($sI=0; $sI < scalar(@arhDesc); $sI+=2){
#       print "arhDesc => $arhDesc[$sI] $arhDesc[$sI+1] \n";
        my $rhMergedHash = MergeHash($arhDesc[$sI],$arhDesc[$sI+1]);  #need 2 rh as parameter
        printMergedFile($rhMergedHash,$afilename[$sI]);
    }
}
 
#verifie que toute les clé de hash2 soit dans hash1
sub MergeHash { my($rhHash1,$rhHash2) = @_;
    print "Merging hashs  = $rhHash1 : $rhHash2 \n";
    my %hMergedHash = %$rhHash1;
    foreach my $sKey2 (keys(%$rhHash2)){
        unless($$rhHash1{$sKey2}) { #if exist and have value
            $hMergedHash{$sKey2} = $$rhHash2{$sKey2};
        }
    }
    return \%hMergedHash;
}
 
sub Printhash { my ($rhHash,$sIndent) = @_;
#   print "My rhhash = $rhHash \n";
    foreach my $sKey (keys(%$rhHash)){
        my $sValue = $$rhHash{$sKey};
        print "\t"x$sIndent." keys = ".$sKey."\n";
        print "\t"x$sIndent." values=".$sValue."\n";
    }
}
 
sub printMergedFile { my ($rhMergedHash,$sFile) = @_;
#   print "My rhhash = $rhMergedHash file =  $sFile\n";
    my $sMergedFilename = "$sFile.merged";
#   Printhash($rhMergedHash,-1);
#   die;
    unless(open FILEHANDLE,">$sMergedFilename"){
        print "Can't writte $sMergedFilename\n";
        return;
    }
    my @aSortedKey = sort keys(%$rhMergedHash);
    foreach my $sKey (@aSortedKey){
        my $sValue = $$rhMergedHash{$sKey};
        print FILEHANDLE $sKey."#\n";
        print FILEHANDLE $sValue."#\n";
    }
}
 
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