47
46
return eval_system (which * " " * concretize (u1)); }
48
47
inline string eval_system (string which, url u1, url u2) {
49
48
return eval_system (which * " " * concretize (u1) * " " * concretize (u2)); }
50
inline void move (url from, url to) { system ("mv", from, to); }
51
inline void copy (url from, url to) { system ("cp", from, to); }
52
inline void append (url from, url to) { system ("cat", from, ">>", to); }
60
55
void ps2pdf (url u1, url u2);
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57
int search_score (url u, array<string> a);