From Mac OS 10.7, 2011 July 26. too
PLUTIL(1) BSD General Commands Manual PLUTIL(1) NAME plutil -- property list utility SYNOPSIS plutil [command_option] [other_options] file ... DESCRIPTION plutil can be used to check the syntax of property list files, or convert a plist file from one format to another. Specifying - as an input file reads from stdin. The first argument indicates the operation to perform, one of: -help Show the usage information for the command and exit. -lint Check the named property list files for syntax errors. This is the default command option if none is specified. -convert fmt Convert the named file to the indicated format and write back to the file system. If the file can't be loaded due to invalid syntax, the operation fails. fmt is one of: xml1, for version 1 of the XML plist format binary1, for version 1 of the binary plist format json, for the JSON format There are a few additional options: -- Specifies that all further arguments are file names -s Don't print anything on success. -r For JSON, add whitespace and indentation to make the output more human-readable. -o path Specify an alternate path name for the result of the -con- vert operation; this option is only useful with a single file to be converted. Specifying - as the path outputs to stdout. -e extension Specify an alternate extension for converted files, and the output file names are otherwise the same. DIAGNOSTICS The plutil command exits 0 on success, and 1 on failure. SEE ALSO plist(5) STANDARDS The plutil command obeys no one's rules but its own. HISTORY The plutil command first appeared in Mac OS X 10.2. Mac OS X August 30, 2002 Mac OS X