if ($FSUSED >= 90)
      $FSUSED = "*$FSUSED*";
   }

##</code><code>##

Global symbol "$SYS_NAME" requires explicit package name at Monks/Download.pm line 4.
Global symbol "$SYS_NAME" requires explicit package name at Monks/Download.pm line 6.
Global symbol "$SYS_TYPE" requires explicit package name at Monks/Download.pm line 7.
Global symbol "$FILE" requires explicit package name at Monks/Download.pm line 8.
Global symbol "$SYS_NAME" requires explicit package name at Monks/Download.pm line 10.
Global symbol "$SYS_TYPE" requires explicit package name at Monks/Download.pm line 11.
Global symbol "$FILE" requires explicit package name at Monks/Download.pm line 12.
Global symbol "$SYS_NAME" requires explicit package name at Monks/Download.pm line 14.
Global symbol "$SYS_TYPE" requires explicit package name at Monks/Download.pm line 15.
Global symbol "$FILE" requires explicit package name at Monks/Download.pm line 16.
Global symbol "$SYS_NAME" requires explicit package name at Monks/Download.pm line 19.
Global symbol "$FILE" requires explicit package name at Monks/Download.pm line 23.
Global symbol "$FILE" requires explicit package name at Monks/Download.pm line 23.
Global symbol "$SYS_TYPE" requires explicit package name at Monks/Download.pm line 29.
Global symbol "$FS" requires explicit package name at Monks/Download.pm line 30.
Global symbol "$BLOCKS" requires explicit package name at Monks/Download.pm line 30.
Global symbol "$FSFREE" requires explicit package name at Monks/Download.pm line 30.
Global symbol "$FSUSED" requires explicit package name at Monks/Download.pm line 30.
Global symbol "$IUSED" requires explicit package name at Monks/Download.pm line 30.
Global symbol "$PIUSED" requires explicit package name at Monks/Download.pm line 30.
Global symbol "$MOUNT" requires explicit package name at Monks/Download.pm line 30.
Global symbol "$FSUSED" requires explicit package name at Monks/Download.pm line 31.
Global symbol "$PIUSED" requires explicit package name at Monks/Download.pm line 32.
Global symbol "$MOUNT" requires explicit package name at Monks/Download.pm line 39.
Global symbol "$FS" requires explicit package name at Monks/Download.pm line 40.
Global symbol "$FS" requires explicit package name at Monks/Download.pm line 42.
Global symbol "$FS1" requires explicit package name at Monks/Download.pm line 43.
Global symbol "$FS" requires explicit package name at Monks/Download.pm line 43.
Global symbol "$FS" requires explicit package name at Monks/Download.pm line 43.
Global symbol "$FS1" requires explicit package name at Monks/Download.pm line 44.
Global symbol "$FSUSED" requires explicit package name at Monks/Download.pm line 46.
Global symbol "$FSUSED" requires explicit package name at Monks/Download.pm line 47.
Global symbol "$FSUSED" requires explicit package name at Monks/Download.pm line 47.
Global symbol "$PIUSED" requires explicit package name at Monks/Download.pm line 50.
Global symbol "$PIUSED" requires explicit package name at Monks/Download.pm line 51.
Global symbol "$PIUSED" requires explicit package name at Monks/Download.pm line 51.
Global symbol "$BLOCKS" requires explicit package name at Monks/Download.pm line 54.
Global symbol "$BLOCKS" requires explicit package name at Monks/Download.pm line 54.
Global symbol "$FSFREE" requires explicit package name at Monks/Download.pm line 55.
Global symbol "$FSFREE" requires explicit package name at Monks/Download.pm line 55.
Global symbol "$FSFREE" requires explicit package name at Monks/Download.pm line 55.
Global symbol "$MOUNT" requires explicit package name at Monks/Download.pm line 57.
Global symbol "$MOUNT" requires explicit package name at Monks/Download.pm line 57.
Global symbol "$FS" requires explicit package name at Monks/Download.pm line 57.
Global symbol "$MOUNT" requires explicit package name at Monks/Download.pm line 58.
Global symbol "$BLOCKS" requires explicit package name at Monks/Download.pm line 58.
Global symbol "$FSFREE" requires explicit package name at Monks/Download.pm line 58.
Global symbol "$FSUSED" requires explicit package name at Monks/Download.pm line 58.
Global symbol "$PIUSED" requires explicit package name at Monks/Download.pm line 58.
Global symbol "$FS" requires explicit package name at Monks/Download.pm line 58.
Execution of Monks/Download.pm aborted due to compilation errors.

##</code><code>##

use strict;
use warnings;

my $SYS_NAME;
my $FILE;
my $FS;
my $FS1;
my $FSUSED;
my $PIUSED;
my $FSFREE;
my $MOUNT;
my $SYS_TYPE;
my $IUSED;

... rest of your code here...