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-e[x|n|f|s] Specify compression method
-ex Maximum compression (most compression, most time)
-en Normal compression (default)
-ef Fast compression
-es Super Fast compression (least compression, least time)
-e0 Zero compression (storing)
PKZIP 2 provides four different methods of compression, allowing you to
choose the compression that best suits your need. You can choose speed,
high compression or a balance. The default method will provide good
compression at a reasonable speed.
The switches for this option are intended to be mnemonic in nature:
-ex eXtra or maXimum
-en Normal
-ef Fast
-es Speed/Super Fast
-e0 Zero compression
The only two that may be difficult to remember are the order of Fast and
Super Fast, you might want to think "Extra Speed".
If you need to complete the compression in the minimum amount of time
possible, then choose the fast compression method. To force PKZIP to use
its fastest compression method, use the option -es (Super Fast).
To achieve the smallest files possible, specify the maximum compression
method using the option -ex (Maximum).
pkzip -ex test.zip d:\wp51\*.wp
Using no compression with the zero option is useful when archiving files
which will either not compress or compress very little. This would
generally be true when archiving .ZIP files. By specifying no compression
PKZIP will store the files directly rather than first attempting to
compress them.
The compression method to use by default can be specified in the
configuration file. If you have specified the super fast, fast or maximum
compression method in your configuration you may override this and use the
normal method by using the option -en.
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