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When I open the "out" file with KWrite, it contains some control characters, for example;
[24;1H[K[7mlines 1-25 [27m[24;1H[K [KESCESC[KOO[KBB[24;1H[24;1H[K
[24;1H[K[7mlines 2-26 [27m[24;1H[K [KESCESC[KOO[KBB[24;1H[24;1H[K [1m-b[0m, [1m--escape[0m.
However, when I open it with "cat" command, it prints well. Why does KWrite show the control characters, should I check the encoding type?