informatique:linux:commandes_linux
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informatique:linux:commandes_linux [2020/01/07 15:09] – [date] pteu | informatique:linux:commandes_linux [2020/01/08 10:32] – [declare] pteu | ||
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<code bash> | <code bash> | ||
pkill -USR1 dd | pkill -USR1 dd | ||
+ | </ | ||
+ | |||
+ | |||
+ | =====declare===== | ||
+ | |||
+ | Permet de déclarer des variables en bash et leur affecter des attributs ; il équivaut à la commande '' | ||
+ | |||
+ | Liste des attributs existants : | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | |||
+ | Utiliser '' | ||
+ | |||
+ | <code bash> | ||
+ | # exemple d' | ||
+ | declare -i int=2 | ||
+ | echo "int vaut $int" | ||
+ | let "int += 1" | ||
+ | echo "int vaut $int" | ||
+ | unset int | ||
+ | |||
+ | # exemple d' | ||
+ | declare -r const=pierre | ||
+ | echo "const vaut $const" | ||
+ | const=sable | ||
+ | echo "const vaut $const" | ||
</ | </ | ||
informatique/linux/commandes_linux.txt · Last modified: 2024/04/05 06:58 by pteu