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| 1 | .TH ZGREP 1
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| 2 | .SH NAME
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| 3 | zgrep \- search possibly compressed files for a regular expression
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| 4 | .SH SYNOPSIS
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| 5 | .B zgrep
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| 6 | [ grep_options ]
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| 7 | .BI [\ -e\ ] " pattern"
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| 8 | .IR filename ".\|.\|."
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| 9 | .SH DESCRIPTION
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| 10 | .I Zgrep
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| 11 | invokes
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| 12 | .I grep
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| 13 | on compressed or gzipped files.
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| 14 | All options specified are passed directly to
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| 15 | .IR grep .
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| 16 | If no file is specified, then the standard input is decompressed
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| 17 | if necessary and fed to grep.
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| 18 | Otherwise the given files are uncompressed if necessary and fed to
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| 19 | .IR grep .
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| 20 | .PP
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| 21 | If the GREP environment variable is set,
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| 22 | .I zgrep
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| 23 | uses it as the
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| 24 | .I grep
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| 25 | program to be invoked.
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| 26 | .SH AUTHOR
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| 27 | Charles Levert (charles@comm.polymtl.ca)
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| 28 | .SH "SEE ALSO"
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| 29 | grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)
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