Man1 - zipmerge.1

merges the source zip archives

into the target zip archive

By default, files in the source zip archives overwrite existing files of the same name in the target zip archive.

Supported options:

Ignore directory components in file name comparisons. This option is slow for archives with many files.

Display a short help message and exit.

Ignore case in file name comparisons This option is slow for archives with many files.

Ask before overwriting files. See also

Do not overwrite files that have the same size and CRC32 in both the source and target archives.

When

is given, do not before overwriting files that have the same size and CRC32.

Display version information and exit.

exits 0 on success and >1 if an error occurred.

was added in libzip 0.6.

and

uses one open file descriptor per zip archive. If you need to merge a lot of zip archives, check your shell’s file descriptor ulimit and either increase it or run

multiple times with e.g. 1000 source zip archives each time.