C:\test>dir *.gz
 Volume in drive C is Local Disk
 Volume Serial Number is 8C78-4B42

 Directory of C:\test

30/12/2014  13:59           228,720 01mailrc.txt.gz
20/03/2009  15:58        73,773,666 chr1.fa.gz
20/03/2009  16:02        11,549,785 chr21.fa.gz
20/03/2009  15:59        54,997,756 chr6.fa.gz
21/11/2016  19:03            13,203 test.gz
               5 File(s)    140,563,130 bytes
               0 Dir(s)  366,120,411,136 bytes free

C:\test>p1
[0]{} Perl> open GZ, 'gunzip -c test.gz |' or die $!; print while <GZ>;;
1 qwertyuiopasdfghjklzxcvbnm

2 qwertyuiopasdfghjklzxcvbnm

3 qwertyuiopasdfghjklzxcvbnm

4 qwertyuiopasdfghjklzxcvbnm

5 qwertyuiopasdfghjklzxcvbnm

6 qwertyuiopasdfghjklzxcvbnm

7 qwertyuiopasdfghjklzxcvbnm

8 qwertyuiopasdfghjklzxcvbnm

9 qwertyuiopasdfghjklzxcvbnm
...