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Keyboard layout art:

1$ grep '^// This layout is' -A17 /usr/share/X11/xkb/symbols/us
2$ grep '^// This layout is' -A46 /usr/share/X11/xkb/symbols/fr
3$ grep 'de facto' -A14 /usr/share/nvim/runtime/doc/arabic.txt

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ROT13

ROT13 is a special case of the [[Wikipedia:Caesar cipher|Caesar cipher]] where the algorithm encoding a message is the same as decoding it. It’s often used to hide spoilers, puzzle solutions, or offensive materials. To decode/encode a message simply use

$ tr ‘A-Za-z’ ‘N-ZA-Mn-za-m’

Or alternatively using python

$ python -c “import sys, codecs; print(codecs.encode(sys.stdin.read().strip(), ‘rot13’))”

which can also be done without external libraries

#!/bin/env python import sys for abcd in [“abcdefghijklmnopqrstuvwxyz”, “ABCDEFGHIJKLMNOPQRSTUVWXYZ”]: print(’’.join([abcd[(abcd.index(char) + 13) % 26] if char in abcd else char for char in sys.stdin.read().strip()]))

Other programs also have support for ROT13:

Mail

$ readpst -o ~/ArchivedMessages -D -j 4 -r -tea -u -w -m ./ArchiveBackup.pst

Taken from robseder.com