These functions are simple convenience functions.
escapeHTML converts HTML, such as $<$ into
a corresponding entity. The reverse is done
named as such encoding is typically done in URLs.
asURL simply adds the class
URL to a
character. This allows gWidgetsWWW to identify local URLs that
are not prefaced with
String creates an object of class
String. This class treats a character string as a vector of
letters. (That is, "abc" is
c("a","b","c").) The method
c can be used to combine strings. The more natural (in some
way, but not every way)
+ method can also be used to join
strings. This is the primary convenience of this class. Otherwise, the
[ method is useful for string extraction. The
method is an alternative to
The need for temporary files that can be accessed through a URL
gives rise to the functions
getStaticTmpFile, which creates a
temporary file, and
convertStaticFileToUrl which returns the
URL from the name of the static temporary file.
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