mirror of https://gitee.com/openkylin/bzip2.git
57 lines
1.3 KiB
Groff
57 lines
1.3 KiB
Groff
\"Shamelessly copied from zmore.1 by Philippe Troin <phil@fifi.org>
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\"for Debian GNU/Linux
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.TH BZGREP 1
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.SH NAME
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bzgrep, bzfgrep, bzegrep \- search possibly bzip2 compressed files for a regular expression
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.SH SYNOPSIS
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.B bzgrep
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[ grep_options ]
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.BI [\ -e\ ] " pattern"
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.IR filename ".\|.\|."
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.br
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.B bzegrep
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[ egrep_options ]
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.BI [\ -e\ ] " pattern"
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.IR filename ".\|.\|."
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.br
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.B bzfgrep
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[ fgrep_options ]
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.BI [\ -e\ ] " pattern"
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.IR filename ".\|.\|."
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.SH DESCRIPTION
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.IR Bzgrep
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is used to invoke the
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.I grep
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on bzip2-compressed files. All options specified are passed directly to
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.I grep.
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If no file is specified, then the standard input is decompressed
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if necessary and fed to grep.
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Otherwise the given files are uncompressed if necessary and fed to
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.I grep.
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.PP
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If
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.I bzgrep
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is invoked as
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.I bzegrep
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or
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.I bzfgrep
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then
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.I egrep
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or
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.I fgrep
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is used instead of
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.I grep.
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If the GREP environment variable is set,
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.I bzgrep
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uses it as the
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.I grep
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program to be invoked. For example:
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for sh: GREP=fgrep bzgrep string files
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for csh: (setenv GREP fgrep; bzgrep string files)
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.SH AUTHOR
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Charles Levert (charles@comm.polymtl.ca). Adapted to bzip2 by Philippe
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Troin <phil@fifi.org> for Debian GNU/Linux.
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.SH "SEE ALSO"
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grep(1), egrep(1), fgrep(1), bzdiff(1), bzmore(1), bzless(1), bzip2(1)
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