Its functions can be invoked from a single command from the command line, or it can perform multiple functions in interactive mode. It can operate on both XML and SGML files.
Create a new XML catalog. Outputs to stdout, ignoring \fIfilename\fR unless \fB--noout\fR is used, in which case it creates a new catalog file \fIfilename\fR.
Add an entry to catalog file \fIfilename\fR. \fItype\fR indicates the type of entry. Possible types are 'public', 'system', 'rewriteSystem', 'delegatePublic' and 'delegateSystem'. \fI'orig'\fR is the original reference to be replaced, and \fI'replace'\fR is the URI of the replacement entity to be used. The \fB-add\fR option will not overwrite \fIfilename\fR, outputing to stdout, unless \fB--noout\fR is used. The \fB--add\fR will always take three parameters even if some of the XML catalog constructs will have only a single argument.
Remove entries from the catalog file \fIfilename\fR matching \fI'values'\fR. The \fB--del\fR option will not overwrite \fIfilename\fR, outputing to stdout, unless \fB--noout\fR is used.
Invoking xmlcatalog with the \fB--shell\fR\fIfilename\fR option opens a command line shell allowing interactive access to the catalog file identified by \fIfilename\fR. Invoking the shell provides a command line prompt after which commands can be entered.
Add an entry to the catalog file. \fItype\fR indicates the type of entry. Possible types are 'public', 'system', 'rewriteSystem', 'delegatePublic' and 'delegateSystem'. \fI'orig'\fR is the original reference to be replaced, and \fI'replace'\fR is the URI of the replacement entity to be used.
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