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Commit 9e7f0fca authored by Peter Gerwinski's avatar Peter Gerwinski
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Beispiele und Notizen 23.5.2024

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cassini/home/peter/bo/2024ss/ad/20240523> feh logo-hochschule-bochum.ppm
cassini/home/peter/bo/2024ss/ad/20240523> vi logo-hochschule-bochum.ppm
P6
336 79
255
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~
~
~
cassini/home/peter/bo/2024ss/ad/20240523> hexdump -C logo-hochschule-bochum.ppm | less
00000000 50 36 0a 33 33 36 20 37 39 0a 32 35 35 0a ff ff |P6.336 79.255...|
00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
000007f0 ff ff ff ff e8 33 47 e8 33 47 eb 4c 5e ff ff ff |.....3G.3G.L^...|
00000800 ff ff ff ff ff ff ff ff ff ff ff ff ed 5e 6e e8 |.............^n.|
00000810 33 47 e8 33 47 fc e9 eb ff ff ff ff ff ff ff ff |3G.3G...........|
00000820 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
00000860 ff ff ff ff ff ff f4 a2 ab e8 33 47 e8 33 47 f8 |..........3G.3G.|
00000870 bf c5 ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000880 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
000008d0 ff ff ff ff ff f3 94 9e e8 33 47 e8 33 47 f9 cc |.........3G.3G..|
000008e0 d1 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000008f0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
00000920 fa d3 d7 e8 33 47 e8 33 47 f2 8e 99 ff ff ff ff |....3G.3G.......|
00000930 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
00000960 ff ff ff ff ff ff ff ff ff ff ff ff fc fc e8 33 |...............3|
00000970 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 |G.3G.3G.3G.3G.3G|
00000980 e8 33 47 e9 3b 4e f1 85 91 fe f5 f6 ff ff ff ff |.3G.;N..........|
00000990 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
000009e0 f1 85 91 e8 33 47 e8 33 47 fb dc df ff ff ff ff |....3G.3G.......|
000009f0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
00000aa0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff fd |................|
00000ab0 ee f0 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 |...3G.3G.3G.3G.3|
00000ac0 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 |G.3G.3G.3G.3G.3G|
00000ad0 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 |.3G.3G.3G.3G.3G.|
00000ae0 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 |3G.3G.3G.3G.3G.3|
00000af0 47 f9 ca cf ff ff ff ff ff ff fa d3 d7 e8 33 47 |G.............3G|
00000b00 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 |.3G.3G.3G.3G.3G.|
00000b10 33 47 e8 33 47 e8 33 47 e8 36 4a eb 52 63 f1 82 |3G.3G.3G.6J.Rc..|
00000b20 8e f9 cc d1 ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000b30 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
*
00000b60 ff ff ff ff ff ff ff ff ff fd ed ef f4 a0 a9 ed |................|
00000b70 64 73 e9 3e 51 e8 33 47 e8 33 47 e8 33 47 e8 33 |ds.>Q.3G.3G.3G.3|
00000b80 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 |G.3G.3G.3G.3G.3G|
00000b90 f2 90 9b ff ff ff ff ff ff ff ff ff ec 55 66 e8 |.............Uf.|
00000ba0 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 47 e8 33 |3G.3G.3G.3G.3G.3|
See 'man feh' for detailed usage information
cassini/home/peter/bo/2024ss/ad/20240523> display logo-hochschule-bochum.pcx
^Ccassini/home/peter/bo/2024ss/ad/20240523> hexdump -C logo-hochschule-bochum.pcx | less
00000000 0a 05 01 08 00 00 00 00 4f 01 4e 00 00 00 00 00 |........O.N.....|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000040 00 03 50 01 01 00 00 00 00 00 00 00 00 00 00 00 |..P.............|
00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000080 ff ff ff ff ff ff ff ff ff ff d5 ff ff ff ff ff |................|
00000090 ff ff ff ff ff ff d5 ff ff ff ff ff ff ff ff ff |................|
cassini/home/peter/bo/2024ss/ad/20240523> vi test.txt
Dies ist ein schöner Test. :-)
~
~
"test.txt" [Neu] 1L, 32B geschrieben
cassini/home/peter/bo/2024ss/ad/20240523> hexdump -C test.txt
00000000 44 69 65 73 20 69 73 74 20 65 69 6e 20 73 63 68 |Dies ist ein sch|
00000010 c3 b6 6e 65 72 20 54 65 73 74 2e 20 3a 2d 29 0a |..ner Test. :-).|
00000020
cassini/home/peter/bo/2024ss/ad/20240523> mv -i test.txt test-utf8.txt
cassini/home/peter/bo/2024ss/ad/20240523> recode utf8..latin1 test-utf8.txt
cassini/home/peter/bo/2024ss/ad/20240523> cat test-utf8.txt
Dies ist ein sch�ner Test. :-)
cassini/home/peter/bo/2024ss/ad/20240523> cp -pi test-utf8.txt test-latin1.txt
cassini/home/peter/bo/2024ss/ad/20240523> recode latin1..utf8 test-utf8.txt
cassini/home/peter/bo/2024ss/ad/20240523> cat test-utf8.txt
Dies ist ein schöner Test. :-)
cassini/home/peter/bo/2024ss/ad/20240523> cat test-latin1.txt
Dies ist ein sch�ner Test. :-)
cassini/home/peter/bo/2024ss/ad/20240523> cat test-utf8.txt | hexdump -C
00000000 44 69 65 73 20 69 73 74 20 65 69 6e 20 73 63 68 |Dies ist ein sch|
00000010 c3 b6 6e 65 72 20 54 65 73 74 2e 20 3a 2d 29 0a |..ner Test. :-).|
00000020
cassini/home/peter/bo/2024ss/ad/20240523> cat test-latin1.txt | hexdump -C
00000000 44 69 65 73 20 69 73 74 20 65 69 6e 20 73 63 68 |Dies ist ein sch|
00000010 f6 6e 65 72 20 54 65 73 74 2e 20 3a 2d 29 0a |.ner Test. :-).|
0000001f
cassini/home/peter/bo/2024ss/ad/20240523> cat test-utf8.txt | recode utf8..UCS-4LE
Dies ist ein sch�ner Test. :-)
cassini/home/peter/bo/2024ss/ad/20240523> cat test-utf8.txt | recode utf8..UCS-4LE | hexdump -C
00000000 44 00 00 00 69 00 00 00 65 00 00 00 73 00 00 00 |D...i...e...s...|
00000010 20 00 00 00 69 00 00 00 73 00 00 00 74 00 00 00 | ...i...s...t...|
00000020 20 00 00 00 65 00 00 00 69 00 00 00 6e 00 00 00 | ...e...i...n...|
00000030 20 00 00 00 73 00 00 00 63 00 00 00 68 00 00 00 | ...s...c...h...|
00000040 f6 00 00 00 6e 00 00 00 65 00 00 00 72 00 00 00 |....n...e...r...|
00000050 20 00 00 00 54 00 00 00 65 00 00 00 73 00 00 00 | ...T...e...s...|
00000060 74 00 00 00 2e 00 00 00 20 00 00 00 3a 00 00 00 |t....... ...:...|
00000070 2d 00 00 00 29 00 00 00 0a 00 00 00 |-...).......|
0000007c
cassini/home/peter/bo/2024ss/ad/20240523> cat test-utf8.txt | recode utf8..UCS-4LE > test-UCS-4LE.txt
cassini/home/peter/bo/2024ss/ad/20240523> echo "Привет, мир!"
Привет, мир!
cassini/home/peter/bo/2024ss/ad/20240523> echo "Привет, мир!" | recode utf8..UCS-4LE | hexdump -C
00000000 1f 04 00 00 40 04 00 00 38 04 00 00 32 04 00 00 |....@...8...2...|
00000010 35 04 00 00 42 04 00 00 2c 00 00 00 20 00 00 00 |5...B...,... ...|
00000020 3c 04 00 00 38 04 00 00 40 04 00 00 21 00 00 00 |<...8...@...!...|
00000030 0a 00 00 00 |....|
00000034
cassini/home/peter/bo/2024ss/ad/20240523> echo "Привет, мир!" | recode utf8..latin1 | hexdump -C
recode: Ungültige Eingabe bei Schritt »UTF-8..ISO-8859-1«
cassini/home/peter/bo/2024ss/ad/20240523> echo "Привет, мир!" | recode utf8..cyrillic | hexdump -C
00000000 bf e0 d8 d2 d5 e2 2c 20 dc d8 e0 21 0a |......, ...!.|
0000000d
cassini/home/peter/bo/2024ss/ad/20240523> echo "Привет, мир!" | hexdump -C 00000000 d0 9f d1 80 d0 b8 d0 b2 d0 b5 d1 82 2c 20 d0 bc |............, ..|
00000010 d0 b8 d1 80 21 0a |....!.|
00000016
cassini/home/peter/bo/2024ss/ad/20240523> echo "^C| hexdump -C
cassini/home/peter/bo/2024ss/ad/20240523> ~/src/firefox-55/firefox -P default &
[2] 312265
cassini/home/peter/bo/2024ss/ad/20240523> [GFX1-]: Unrecognized feature WEBRENDER
echo "😅"
😅
cassini/home/peter/bo/2024ss/ad/20240523> echo "😅" | hexdump -C
00000000 f0 9f 98 85 0a |.....|
00000005
cassini/home/peter/bo/2024ss/ad/20240523> echo "😅" | recode utf8..UCS-4LE | hexdump -C
00000000 05 f6 01 00 0a 00 00 00 |........|
00000008
cassini/home/peter/bo/2024ss/ad/20240523> echo "Привет, мир! 😅" | hexdump -C
00000000 d0 9f d1 80 d0 b8 d0 b2 d0 b5 d1 82 2c 20 d0 bc |............, ..|
00000010 d0 b8 d1 80 21 20 f0 9f 98 85 0a |....! .....|
0000001b
cassini/home/peter/bo/2024ss/ad/20240523> echo "Привет, мир! 😅" | recode utf8..UCS-4LE | hexdump -C
00000000 1f 04 00 00 40 04 00 00 38 04 00 00 32 04 00 00 |....@...8...2...|
00000010 35 04 00 00 42 04 00 00 2c 00 00 00 20 00 00 00 |5...B...,... ...|
00000020 3c 04 00 00 38 04 00 00 40 04 00 00 21 00 00 00 |<...8...@...!...|
00000030 20 00 00 00 05 f6 01 00 0a 00 00 00 | ...........|
0000003c
cassini/home/peter/bo/2024ss/ad/20240523>
File added
Dies ist ein schöner Test. :-)
Dies ist ein schöner Test. :-)
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