Linux cli command zip_set_file_compression

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command zip_set_file_compression and provides detailed information about the command zip_set_file_compression, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the zip_set_file_compression.

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libzip (-lzip)

The

function sets the compression method for the file at position

in the zip archive to

with the compression method specific

The

is the same as returned by

For the

argument, currently only the following values are supported:

default compression; currently the same as

but

are ignored.

Store the file uncompressed.

Compress the file using the

algorithm.

Deflate the file with the

algorithm and default options.

Only the deflate and store methods can be assumed to be universally supported.

The

argument defines the compression level, 1 being fastest compression and 9 highest. Allowed values are 0 (which uses the default compression for the algorithm) and 1-9, other values are undefined. Further compression method specific flags might be added over time.

The current compression method for a file in a zip archive can be determined using

Upon successful completion 0 is returned. Otherwise, -1 is returned and the error information in

is set to indicate the error.

fails if:

Unsupported compression method requested.

is not a valid file index in

or the argument combination is invalid.

Read-only zip file, no changes allowed.

was added in libzip 0.11.

and

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