"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "doc/zupdate.1" between
zutils-1.8.tar.lz and zutils-1.9.tar.lz

About: Zutils 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.

zupdate.1  (zutils-1.8.tar.lz):zupdate.1  (zutils-1.9.tar.lz)
ZUPDATE(1) User Commands ZUPDATE(1) ZUPDATE(1) User Commands ZUPDATE(1)
NAME NAME
zupdate - recompress bzip2, gzip, xz files to lzip format zupdate - recompress bzip2, gzip, xz files to lzip format
SYNOPSIS SYNOPSIS
zupdate [options] [files] zupdate [options] [files]
DESCRIPTION DESCRIPTION
Zupdate recompresses files from bzip2, gzip, and xz formats to lzip fo rmat. Each original is compared zupdate recompresses files from bzip2, gzip, and xz formats to lzip fo rmat. Each original is compared
with the new file and then deleted. Only regular files with standard fil e name extensions are recom- with the new file and then deleted. Only regular files with standard fil e name extensions are recom-
pressed, other files are ignored. Compressed files are decompressed and t hen recompressed on the fly; no pressed, other files are ignored. Compressed files are decompressed and t hen recompressed on the fly; no
temporary files are created. The lzip format is chosen as destination bec ause it is the most appropriate temporary files are created. The lzip format is chosen as destination bec ause it is the most appropriate
for long-term data archiving. for long-term data archiving.
If no files are specified, recursive searches examine the current work ing directory, and nonrecursive If no files are specified, recursive searches examine the current work ing directory, and nonrecursive
searches do nothing. searches do nothing.
If the lzip compressed version of a file already exists, the file is skip ped unless the '--force' option If the lzip compressed version of a file already exists, the file is skip ped unless the option '--force'
is given. In this case, if the comparison with the existing lzip version fails, an error is returned and is given. In this case, if the comparison with the existing lzip version fails, an error is returned and
the original file is not deleted. The operation of zupdate is meant to be safe and not produce any data the original file is not deleted. The operation of zupdate is meant to be safe and not cause any data
loss. Therefore, existing lzip compressed files are never overwritten nor deleted. loss. Therefore, existing lzip compressed files are never overwritten nor deleted.
Exit status is 0 if all the compressed files were successfully recompr The names of the original files must have one of the following extension
essed (if needed), compared and s: '.bz2', '.gz', and '.xz' are
recompressed to '.lz'. '.tbz', '.tbz2', '.tgz', and '.txz' are recompres
sed to '.tlz'.
Exit status is 0 if all the compressed files were successfully recompress
ed (if needed), compared, and
deleted (if requested). Non-zero otherwise. deleted (if requested). Non-zero otherwise.
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
-f, --force -f, --force
don't skip a file even if the .lz exists don't skip a file even if the .lz exists
-k, --keep -k, --keep
keep (don't delete) input files keep (don't delete) input files
-l, --lzip-verbose -l, --lzip-verbose
pass a -v option to the lzip compressor pass one option -v to the lzip compressor
-M, --format=<list> -M, --format=<list>
process only the formats in <list> process only the formats in <list>
-N, --no-rcfile -N, --no-rcfile
don't read runtime configuration file don't read runtime configuration file
-q, --quiet -q, --quiet
suppress all messages suppress all messages
skipping to change at line 81 skipping to change at line 84
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
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. Ther e is NO WARRANTY, to the extent This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent
permitted by law. permitted by law.
zupdate (zutils) 1.8 January 2019 ZUPDATE(1) zupdate (zutils) 1.9 June 2020 ZUPDATE(1)
 End of changes. 8 change blocks. 
8 lines changed or deleted 13 lines changed or added

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