I recommend sleep-and-retry, for that inevitable transmission problem: 

   sub removeRemoteFile {
      my $file = shift;
      for (1 .. 5) {
         return TRUE    if $sftp -> remove($file);
         sleep 30;
      }
      return FALSE;
   }

[download]

Actually, I tend to pass a hash of configuration details (hostname, username, retries, sleep time, etc.) and do this: 

   sub removeRemoteFile {
      my %args = @_;
      for (1 .. $args{RETRIES}) {
         return TRUE    if $sftp -> remove("$args{FILE}");
         sleep $args{SLEEP};
      }
      return FALSE;
   }

[download]

I do a similar sleep and retry for any get and put, but also compare remote and local file sizes: 

   sub getFile {
      my %args  =  @_;
      my $name  =  $args{FILE};
         $name  =~ s|.*/||;
      for (1 .. $args{RETRIES}) {
         my $size;
         if ($sftp -> get($args{FILE},"$args{LOCAL}/$name")) {
            $size  = -s "$args{LOCAL}/$name";
         }
         return TRUE    if defined $size && $size == $args{RSIZE};
         sleep $args{SLEEP};
      }
      unlink "$args{LOCAL}/$name"   if -f "$args{LOCAL}/$name";
      return FALSE;
   }

[download]

When removing files, I do so IF the respective put or get is successful. Something like: 

   for my $file ( ... ) {
      if (getFile( ... )) {
         if (!removeRemoteFile( ... )) {
            warn "Couldn't remove remote $file!\n"  
         }
      } else {
         warn "Couldn't download $args{REMOTE}/$file!\n";
      }
   }

[download]

In reply to Re: Delete files from server after downloading using SFTP by hbm
in thread Delete files from server after downloading using SFTP by Anonymous Monk

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