CentOS 7.0 - man page for zless (centos section 1)
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zless - file perusal filter for crt viewing of compressed text
zless [ name ... ]
Zless is a filter which allows examination of compressed or plain text files one screenful
at a time on a soft-copy terminal. It is the equivalent of setting the environment vari-
able LESSOPEN to '|gzip -cdfq -- %s', and the environment variable LESSMETACHARS to
'<space><tab><newline>;*?"()<>[|&^`#\$%=~', and then running less. However, enough people
seem to think that having the command zless available is important to be worth providing
Zless does not work with compressed data that is piped to it via standard input; it
requires that input files be specified as arguments. To read compressed data from a pipe,
you can use ...|gunzip|less instead of ...|zless.
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Copyright (C) 1992, 1993 Jean-loup Gailly
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