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-
- // col2: filter for two-column output
-
- #include <LEDA/list.h>
- #include <LEDA/stream.h>
-
-
- main()
- {
- list<string> L;
-
- cmd_istream in("expand"); // expand tab's
-
- while (in) L.append(read_line(in));
-
- if (L.length() % 2) L.Pop();
-
- list_item a = L[0];
- list_item b = L[L.length()/2];
-
- while(b)
- { int n = 38-L[a].length();
- cout << L[a].head(38);
- while (n-- > 0) cout << " ";
- cout << " " << L[b].head(38);
- newline;
- a = L.succ(a);
- b = L.succ(b);
- }
- }
-