If it contains the string "lrunzip" then the -d option isĪutomatically set. If this option is not used then lrzip looks at the name used to launch the program. This offers an extra guarantee that the file written is the same as the original archived. Otherwise it is compared to the value calculated duringĭecompression.
#LZIP COMPARISON ARCHIVE#
When the archive has the md5 value stored in it, it is compared to this. Enabling this option will make lrzip perform an md5 hash check on theįile that's written to disk. Userspace problems such as faulty library versions, drivers, hardware failure and so on. However the file written to disk may be corrupted for other reasons to do with other Md5 hash checking depending on the version of the archive already. All decompression is tested internally in lrzip with either crc32 or General options -c This option enables integrity checking of the file written to disk on decompression. If no filenames or "-" is specified, stdin/out will be used. TMP environment variable will be used for storage of temporary files when LRZIP=NOCONFIG environment variable setting can be used to bypass nf. w size maximum compression window in hundreds of MBĭefault chosen by heuristic dependent on ram and chosen U Use unlimited window size beyond ramsize (potentially much p value Set processor count to override number of threads N value Set nice value to value (default 19) L level set lzma/bzip2/gzip compression level (1-9, default 7) z zpaq compression (best, extreme compression, extremely slow) n no backend compression - prepare for other compressor S suffix specify compressed suffix (default '.lrz') O directory specify the output directory when -o is not used o filename specify the output file name and/or path H display md5 hash integrity information
#LZIP COMPARISON PASSWORD#
e password protected sha512/aes128 encryption on compression c check integrity of file written on decompression Here is a summary of the options to lrzip. To simplify compression and decompression of directories. LRZIP is a file compression program designed to do particularly well on very large files containing long distance redundancy.
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