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Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /sdb/e/8/system.co/includes/MagicWord.php on line 700

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Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /sdb/e/8/system.co/includes/MagicWord.php on line 705

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /sdb/e/8/system.co/includes/MagicWord.php on line 700

Warning: Invalid argument supplied for foreach() in /sdb/e/8/system.co/includes/MagicWord.php on line 701

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /sdb/e/8/system.co/includes/MagicWord.php on line 705

Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /sdb/e/8/system.co/includes/MagicWord.php on line 700

Warning: Invalid argument supplied for foreach() in /sdb/e/8/system.co/includes/MagicWord.php on line 701

Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /sdb/e/8/system.co/includes/MagicWord.php on line 705

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /sdb/e/8/system.co/includes/MagicWord.php on line 722

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /sdb/e/8/system.co/includes/MagicWord.php on line 722

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /sdb/e/8/system.co/includes/MagicWord.php on line 722

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /sdb/e/8/system.co/includes/MagicWord.php on line 722

Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /sdb/e/8/system.co/includes/MagicWord.php on line 722
Variables bash - system.co.free.fr

Variables bash

De system.co.free.fr.
(→Suppression de la plus courte chaîne recherché, en partant du début)
(→Suppression de la plus courte chaîne recherché, en partant du début)
Ligne 104 : Ligne 104 :
TYUIOPQSD
TYUIOPQSD
</pre>
</pre>
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la partie "*" (A*R) est semblable à une expression régulière, mais elle est très peu sophistiquée. En terme de syntaxe, c'est tout à fait comparable aux patterns "glob" que l'on peut utiliser quotidiennement avec ls par exemple :
+
la caractère "*" est le caractère générique qui remplace tous les caractères.
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Contrairement aux expressions régulières plus répandues (Perl, grep, sed, ...) le caractère * ne signifie pas "zéro ou n fois le pattern précédent", mais "n'importe quel caractère".
 
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Donc, pour tronquer une suite de "A ou B" dans une chaîne, on pourra utiliser :
 
VAR=ABABAB_TOTO
VAR=ABABAB_TOTO

Version du 28 septembre 2020 à 16:45

Récupérée de « http://system.co.free.fr/index.php?title=Variables_bash »
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