@hanno Here are a few other examples of disappearing text, the resulting effect depends on the terminal emulator you use. Here on xfce4-terminal (and bash):$ echo -e "blabla\033\0135blibli\n\n\n" | hexdump -C00000000 62 6c 61 62 6c 61 1b 5d 62 6c 69 62 6c 69 0a 0a |blabla.]blibli..|00000010 0a 0a |..|00000012$ echo -e "blabla\033\0135blibli\n\n\n"blabla$ echo -e "blabla\033\0135blibli\n\n\n" | grep bliblabla$ $ $ echo -e "blabla\n\033\0135blibli\n\n\n" | hexdump -C00000000 62 6c 61 62 6c 61 0a 1b 5d 62 6c 69 62 6c 69 0a |blabla..]blibli.|00000010 0a 0a 0a |...|00000013$ echo -e "blabla\n\033\0135blibli\n\n\n"blabla$ echo -e "blabla\n\033\0135blibli\n\n\n" | grep bli$ $ echo -e "blabla\033\0135\nblibli\n\n\n" | hexdump -C00000000 62 6c 61 62 6c 61 1b 5d 0a 62 6c 69 62 6c 69 0a |blabla.].blibli.|00000010 0a 0a 0a |...|00000013$ echo -e "blabla\033\0135\nblibli\n\n\n"blabla$ echo -e "blabla\033\0135\nblibli\n\n\n" | grep bliblibli$ $ echo -e "blabla\033\n\0135blibli\n\n\n" | hexdump -C00000000 62 6c 61 62 6c 61 1b 0a 5d 62 6c 69 62 6c 69 0a |blabla..]blibli.|00000010 0a 0a 0a |...|00000013$ echo -e "blabla\033\n\0135blibli\n\n\n"blabla$ echo -e "blabla\033\n\0135blibli\n\n\n" | grep bli]blibli$That's the trick I used for https://github.com/fuxx/GPG-ANSI-Art-Injector/blob/main/designs/fake_key_summary.py and https://codeberg.org/wllm-rbnt/hacklu-2025-CLI-ambush/
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