67 lines
2.2 KiB
Groff
67 lines
2.2 KiB
Groff
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.37.1.
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.TH ZCMP "1" "January 2011" "Zcmp (zutils) 0.9" "User Commands"
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.SH NAME
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Zcmp \- decompress and compare two files byte by byte
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.SH SYNOPSIS
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.B zcmp
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[\fIoptions\fR] \fIfile1 \fR[\fIfile2\fR]
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.SH DESCRIPTION
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Zcmp compares two files ("\-" means standard input), and if they
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differ, tells the first byte and line number where they differ. Bytes
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and lines are numbered starting with 1. If any given file is compressed,
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its uncompressed content is used. Compressed files are uncompressed on
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the fly; no temporary files are created.
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The supported compressors are bzip2, gzip, lzip and xz.
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.PP
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Compares <file1> to <file2>. If <file2> is omitted zcmp tries the
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following:
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If <file1> is compressed, compares <file1> to the file with the
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corresponding decompressed file name (removes the extension from
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<file1>).
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If <file1> is not compressed, compares <file1> to the uncompressed
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contents of <file1>.[bz2|gz|lz|xz] (the first one that is found).
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If no suitable file is found, compares <file1> to data read from
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standard input.
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.PP
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Exit status is 0 if inputs are identical, 1 if different, 2 if trouble.
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.SH OPTIONS
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.TP
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\fB\-h\fR, \fB\-\-help\fR
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display this help and exit
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.TP
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\fB\-V\fR, \fB\-\-version\fR
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output version information and exit
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.TP
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\fB\-b\fR, \fB\-\-print\-bytes\fR
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print differing bytes
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.TP
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\fB\-i\fR, \fB\-\-ignore\-initial=\fR<n>[,<n2>]
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ignore differences in the first <n> bytes
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.TP
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\fB\-l\fR, \fB\-\-list\fR
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list position, value of all differing bytes
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.TP
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\fB\-n\fR, \fB\-\-bytes=\fR<n>
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compare at most <n> bytes
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.TP
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\fB\-q\fR, \fB\-\-quiet\fR
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suppress all messages
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.TP
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\fB\-s\fR, \fB\-\-silent\fR
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(same as \fB\-\-quiet\fR)
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.TP
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\fB\-v\fR, \fB\-\-verbose\fR
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verbose mode (same as \fB\-\-list\fR)
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.PP
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Numbers may be followed by a multiplier: k = kB = 10^3 = 1000,
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Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...
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.SH "REPORTING BUGS"
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Report bugs to zutils\-bug@nongnu.org
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.br
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Zutils home page: http://www.nongnu.org/zutils/zutils.html
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.SH COPYRIGHT
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Copyright \(co 2011 Antonio Diaz Diaz.
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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.br
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.
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