The IRc catalog data format is plain text, after uncompressing by unzip or gunzip it can be seen by any text viewers or by online ADC viewer.
2.
Perl's zlib documentation is here; that, and not gzip / gunzip, seems to be what you need .-- Talk 14 : 47, 14 May 2010 ( UTC)
3.
These database entries can be found by [ ftp : / / ftp . iana . org / tz / tzdata-latest . tar . gz downloading this file ], unpacking it using gunzip and talk ) 07 : 22, 6 April 2014 ( UTC)
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