Hi Petar, first of all, switch to the latest root 2.21/07, an important bug in operator<<(ostream& os, const TString& s) was fixed in 2.21/03 (this causes the crash in your 2.21/02). Next here an example of how to use TString::ReadToken(istream&) via operator>>(istream& strm, TString& s) (of course you also can call ReadToken() directly): strstream x; x << "foo bar" x.str(); // yes, "foo bar" is there TString s; x >> s; s.Data(); // prints "foo" x >> s; s.Data(); // prints "bar" Hope this helps. Cheers, Fons. > Hi all, > > I'm a little confused about some uses of the TString class. What I > ultimately want to do is to tokenize a command line. (I'm trying to > write a layer on top of TMinuit::mnexcm() and avoid creating the > annoying array of needed to supply arguments.) > > The web page for TString claims that there is a member function > istream& ReadToken(istream& str) that seems perfect for the job. Does > anybody have an example on how to use it (the whole root web site > contains only two references to it -- in the class definition). > > Also, one would naively expect the following few commands to work: > > root [0] #include <iostream.h> > root [1] TString test = "one two three"; > root [2] cout << test << endl; > > *** Break *** segmentation violation > > I'd appreciate a hint on what I'm missing here. > > I'm using root 2.21/02. Thanks a bunch! > > Petar > > -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248 WWW: http://root.cern.ch/~rdm/ Fax: +41 22 7677910
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