This applies to all methods except "Fastest", which performance remains the same. If -amr is specified, "ch" ignores other archive modification switches.įaster RAR5 compression of poorly compressible data on modern CPUs with 8 or more execution threads. These saved parameters are displayed in header of "l" and "v" commands output and can be restored with -amr switch combined with "ch" command, such as "rar ch -amr arc.rar". Switch -ams or just -am together with archive modification commands can be used to save the archive name and time in the command line mode. Restoring involves renaming an archive to original name and setting the saved time as the archive creation and modification time. If archive includes such saved name and time, they are displayed on "Info" page of "Show information" command and can be restored on "Options" page of same command. "Save original archive name and time" option on "Options" page of archiving dialog allows to save the original archive name and creation time. Also in some cases such analysis may help to optimize the amount of processing data when extracting individual files from semi-solid archives created with -s and -se switches. It works for most of RAR archives except for volumes on multiple removable media and archives containing a very large number of references. It helps to properly unpack file references even if reference source is not selected. If extraction command involves only a part of files in RAR archive, the additional archive analysis is performed when starting extraction.
If encrypted ZIP archive extraction fails, you can try to disable this option, repeat extraction and enter a valid password manually.
There is a minor chance of incorrect password detection for ZIP archives if stored passwords do not include a proper one. This option is applicable only for archives in RAR 5.0 and ZIP formats, which allow to verify the password validity quickly.
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