is a collection of utilities able to deal with any combination of compressed and non-compressed files transparently. The utilities zcat, zcmp, zdiff, zgrep and ztest supports the compressors bzip2, gzip, lzip and xz.
| zcmp.1 (zutils-1.8.tar.lz) | : | zcmp.1 (zutils-1.9.tar.lz) |
|---|
| ZCMP(1) User Commands
ZCMP(1) | | ZCMP(1) User Commands
ZCMP(1) |
| | |
| NAME | | NAME |
| zcmp - decompress and compare two files byte by byte | | zcmp - decompress and compare two files byte by byte |
| | |
| SYNOPSIS | | SYNOPSIS |
| zcmp [options] file1 [file2] | | zcmp [options] file1 [file2] |
| | |
| DESCRIPTION | | DESCRIPTION |
|
| Zcmp compares two files ('-' means standard input), and if they differ | | zcmp compares two files and, if they differ, writes to standard output |
| , tells the first byte and line | | the first byte and line number |
| number where they differ. Bytes and lines are numbered starting with 1. I | | where they differ. Bytes and lines are numbered starting with 1. A hyphen |
| f any given file is compressed, | | '-' used as a file argument |
| its decompressed content is used. Compressed files are decompressed on | | means standard input. If any file given is compressed, its decompres |
| the fly; no temporary files are | | sed content is used. Compressed |
| created. | | files are decompressed on the fly; no temporary files are created. |
| | |
|
| The formats supported are bzip2, gzip, lzip and xz. | | The formats supported are bzip2, gzip, lzip, and xz. |
| | |
|
| Zcmp compares file1 to file2. If file2 is omitted zcmp tries the followin | | zcmp compares file1 to file2. The standard input is used only if file1 |
| g: | | or file2 refers to standard |
| | input. If file2 is omitted zcmp tries the following: |
| | |
|
| 1. If file1 is compressed, compares its decompressed contents with
the corresponding uncompressed | | - If file1 is compressed, compares its decompressed contents with
the corresponding uncompressed |
| file (the name of file1 with the extension removed). | | file (the name of file1 with the extension removed). |
| | |
|
| 2. If file1 is uncompressed, compares it with the decompressed c
ontents of file1.[lz|bz2|gz|xz] | | - If file1 is uncompressed, compares it with the decompressed con
tents of file1.[lz|bz2|gz|xz] |
| (the first one that is found). | | (the first one that is found). |
| | |
|
| 3. If no suitable file is found, compares file1 with data read fro | | |
| m standard input. | | |
| | | |
| Exit status is 0 if inputs are identical, 1 if different, 2 if trouble. | | Exit status is 0 if inputs are identical, 1 if different, 2 if trouble. |
| | |
| OPTIONS | | OPTIONS |
| -h, --help | | -h, --help |
| display this help and exit | | display this help and exit |
| | |
| -V, --version | | -V, --version |
| output version information and exit | | output version information and exit |
| | |
| -b, --print-bytes | | -b, --print-bytes |
| | |
| skipping to change at line 55 | | skipping to change at line 54 |
|---|
| -M, --format=<list> | | -M, --format=<list> |
| process only the formats in <list> | | process only the formats in <list> |
| | |
| -n, --bytes=<n> | | -n, --bytes=<n> |
| compare at most <n> bytes | | compare at most <n> bytes |
| | |
| -N, --no-rcfile | | -N, --no-rcfile |
| don't read runtime configuration file | | don't read runtime configuration file |
| | |
| -O, --force-format=[<f1>][,<f2>] | | -O, --force-format=[<f1>][,<f2>] |
|
| force given formats (bz2, gz, lz, xz) | | force the formats given (bz2, gz, lz, xz) |
| | |
| -q, --quiet | | -q, --quiet |
| suppress all messages | | suppress all messages |
| | |
| -s, --silent | | -s, --silent |
| (same as --quiet) | | (same as --quiet) |
| | |
| -v, --verbose | | -v, --verbose |
| verbose mode (same as --list) | | verbose mode (same as --list) |
| | |
| | |
| skipping to change at line 78 | | skipping to change at line 77 |
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| | |
| --gz=<command> | | --gz=<command> |
| set compressor and options for gzip format | | set compressor and options for gzip format |
| | |
| --lz=<command> | | --lz=<command> |
| set compressor and options for lzip format | | set compressor and options for lzip format |
| | |
| --xz=<command> | | --xz=<command> |
| set compressor and options for xz format | | set compressor and options for xz format |
| | |
|
| Numbers may be followed by a multiplier: k = kB = 10^3 = 1000, Ki = KiB =
2^10 = 1024, M = 10^6, Mi = | | Numbers may be followed by a multiplier: k = kB = 10^3 = 1000, Ki = Ki
B = 2^10 = 1024, M = 10^6, Mi = |
| 2^20, G = 10^9, Gi = 2^30, etc... | | 2^20, G = 10^9, Gi = 2^30, etc... |
| | |
| REPORTING BUGS | | REPORTING BUGS |
| Report bugs to zutils-bug@nongnu.org | | Report bugs to zutils-bug@nongnu.org |
| Zutils home page: http://www.nongnu.org/zutils/zutils.html | | Zutils home page: http://www.nongnu.org/zutils/zutils.html |
| | |
| COPYRIGHT | | COPYRIGHT |
|
| Copyright © 2019 Antonio Diaz Diaz. License GPLv2+: GNU
GPL version 2 or later | | Copyright © 2020 Antonio Diaz Diaz. License GPLv2+: GNU
GPL version 2 or later |
| <http://gnu.org/licenses/gpl.html> | | <http://gnu.org/licenses/gpl.html> |
|
| This is free software: you are free to change and redistribute it. There
is NO WARRANTY, to the extent | | This is free software: you are free to change and redistribute it. Ther
e is NO WARRANTY, to the extent |
| permitted by law. | | permitted by law. |
| | |
|
| zcmp (zutils) 1.8 January 2019
ZCMP(1) | | zcmp (zutils) 1.9 June 2020
ZCMP(1) |
| | | |
| End of changes. 11 change blocks. |
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| 19 lines changed or deleted | | 17 lines changed or added |
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