98 lines
2.2 KiB
Plaintext
98 lines
2.2 KiB
Plaintext
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TP03
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I-
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0 --> 1 octet ASCII
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110.. --> 3 octets
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1110.. --> 3 octets et après 10... à l'octet suivant
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11110.. --> 4 octets
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c2 = (110)0 0010, a5= (10)10 0101 == u+a5 symbole yen
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2c = (0)010 1100 == u+2c ","
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20 = (0)010 0000 == u+20 ""
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e2 = (111)0 0010, 99 = (10)01 1000, a0 = (10)10 0000 == u+2660
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2c = (0)010 1100 == u+2c ","
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20 = (0)010 0000 == u+20 ""
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e2 = (111)0 0010, 84 = (10)00 0100, 97 = (10)01 0111 == u+2117
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2c = (0)010 1100 == u+2c ","
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20 = (0)010 0000 == u+20 ""
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24 = (0)010 0100 == u+24 $
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2c = (0)010 1100 == u+2c ","
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20 = (0)010 0000 == u+20 ""
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c2 = (110)0 0010, a3= (10)10 0011 == u+a3 pound sign
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2c = (0)010 1100 == u+2c ","
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20 = (0)010 0000 == u+20 ""
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e2 = (111)0 0010, 82 = (10)00 0010, ac = (10)10 1100 == u+20ac
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2c = (0)010 1100 == u+2c ","
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e2 = (111)0 0010, 98 = (10)01 1000, bb = (10)11 1011 == u+263b
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2c = (0)010 1100 == u+2c ","
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20 = (0)010 0000 == u+20 ""
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61 = (0)110 0001 == u+61
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72 = (0)111 0010 == u+71
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20 = (0)010 0000 == u+20 ""
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6e = (0)110 1110 == u+6e
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6f = u+6f
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74 = u+74
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20 = " "
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61 = u+61
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6c = u
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0a = u+0a
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II-
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1) ma bash
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--> paragraphe "SHELL BUILTIN COMMANDS"
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2)
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-->$x: VALEUR DE LA VARIABLE x
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3) read x
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--> echo $x
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4) read -p "Prompt:"x
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Prompt: ______
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echo$x on demande à l'utilisateur le x la valeur de x
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5) l'option -n
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echo -n "blabla"
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6) Séquence, il fait les choses dans l'ordre quand tu demandes au cmd de faire exemple cd; rm quelque chose
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7) echo -n "Type var value "
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III -
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1) echo -e "\U45" -e
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2) echo -n "Type en HEX UNICODE"; read x; echo -e "Corresponding CHAR \U$x"
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==> Type on HEX UNICODE: ___
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Corresponding CHAR : le symbole
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3) print-unicode-char
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chmod u+r print-unicode-char
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./print-unicode-char
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c'est pour ajouter le code à l'intérieur et il rajoute des perm pour l'executé avec X
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___________
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printen PATH
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which ls
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IV -
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1) echo -en "\U2660" | hexdumb -C
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permet d'afficher le code utf-8 (hexé) du unicode donné
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2) en créant un ficher nommé print-hex avec la commande "echo -en "\U$1"de prendre l'argument cad après avoir mit le ficher la commande ou ce que t'a écrit après le fichier il va prendre en compte
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chmod u+x print-hex
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./print-hex ...
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00000000000 .... .... .... ("caractère")
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0000000000.
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