68 lines
1.8 KiB
Plaintext
68 lines
1.8 KiB
Plaintext
edit:add-var genstr~ {|@argv|
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use re
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use str
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fn j {|@strings| str:join '' $strings}
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fn bytes {|begin size| str:from-codepoints (range $begin (+ $begin $size))}
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fn upper { bytes 0x41 26 }
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fn lower { bytes 0x61 26 }
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fn digit { bytes 0x30 10 }
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fn alpha { j (upper) (lower) }
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fn alphanum { j (alpha) (digit) }
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fn random {|chars|
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var size = (count $chars)
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print $chars[(randint 0 $size)]
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}
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fn is-int {|arg| re:match '^\d+$' $arg}
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fn help {||
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echo 'Génère une chaîne de caractères aléatoires'
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echo 'Usage: genstr [(-auldh)] [<chars>] [<size>]'
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echo ''
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echo 'Options:'
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echo ' -a Uniquement des lettres ([A-Za-z])'
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echo ' -u Uniquement des lettres majuscules ([A-Z])'
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echo ' -l Uniquement des lettres minuscules ([a-z])'
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echo ' -d Uniquement des chiffres ([0-9])'
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echo ''
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echo '<chars> Liste de caractères possibles'
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echo '<size> Longueur de la chaîne (par défaut: 10)'
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echo ''
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echo 'Si aucune classe de caractères ou liste de caractères n’est fournie, utilise les caractères alphanumériques ([A-Za-z0-9]).'
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}
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var len chars h = 0 '' $false
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each {|e|
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if (or (eq $e -h) (eq $e --help)) {
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set h = $true
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help
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break
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} elif (eq $e -a) {
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set chars = (j $chars (alpha))
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} elif (eq $e -u) {
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set chars = (j $chars (upper))
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} elif (eq $e -l) {
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set chars = (j $chars (lower))
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} elif (eq $e -d) {
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set chars = (j $chars (digit))
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} elif (and (is-int $e) (> $e 0)) {
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set len = $e
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} else {
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set chars = (j $chars $e)
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}
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} $argv
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if (not $h) {
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if (== $len 0) {
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set len = 10
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}
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if (eq $chars '') {
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set chars = (alphanum)
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}
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set @chars = (str:split '' $chars)
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range $len | each {|_| random $chars}
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echo
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}
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}
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