Section: Linux System Administration (8)
The iconv?(3) function internally uses gconv modules to convert to and from a character set. A configuration file is used to determine the needed modules for a conversion. Loading and parsing such a configuration file would slow down programs that use iconv?(3), so a caching mechanism is employed.
The iconvconfig program reads iconv module configuration files and writes a fast-loading gconv module configuration cache file. In addition to the system provided gconv modules, the user can specify custom gconv module directories with the environment variable GCONV_PATH. However, iconv module configuration caching is only used when the environment variable GCONV_PATH is not set.
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