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Nupass par each threads 20230504 (#477)

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* Update ReadMe.md

Added explanation of how to use new --threads switch to feed to the par-each loops

* Update nupass.nu

Added --threads flag to allow setting of same in par-each loops, for performance fine tuning
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Rick Cogley 2023-05-04 22:00:38 +09:00 • committed by GitHub
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2 changed files with 20 additions and 10 deletions
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sourced/misc/password_generator/nupass.nu
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@ -2,12 +2,13 @@
# Author: @rickcogley
# Thanks: @amtoine, @fdncred, @jelle, @sygmei, @kubouch
# Updates: 20230415 - initial version
# 20230416 - added @amtoine's slick probabilistic "random decimal" char capitalization
# 20230417 - added script duration output in debug block
# 20230421 - added length of symbol chars to get-random-symbol function
# 20230422 - added variant flag to generate different styles of passwords
# 20230416 - add @amtoine's slick probabilistic "random decimal" char capitalization
# 20230417 - add script duration output in debug block
# 20230421 - add length of symbol chars to get-random-symbol function
# 20230422 - add variant flag to generate different styles of passwords
# 20230501 - refactor to allow number of words to be specified, use list manipulation and reduce to string
# 20230502 - improve performance on list builders with par-each
# 20230503 - add threads flag for fine tuning par-each
#======= NUPASS PASSWORD GENERATOR =======
# Generate password of 3 dictionary file words, numbers and symbols
@ -17,6 +18,7 @@ export def main [
--symbols (-s): string = "!@#$%^&()_-+[]{}" # Symbols to use in password
--variant (-v): string = "regular" # Password style to generate in regular, mixnmatch, alphanum, alpha, diceware
--delimiter (-m): string = "-" # Delimiter for diceware
--threads (-t): int = 16 # Number of threads to use in par-each
--debug (-d) # Include debug info
] {
##### Main function #####
@ -30,15 +32,15 @@ export def main [
let num_lines = (open ($dictfile) | lines | wrap word | upsert len {|it| $it.word | split chars | length} | where len <= ($word_length) | length)
# Get random words from dictionary file
let random_words = (1..$words | par-each { |i| $dictfile | get-random-word $word_length $num_lines | random-format-word })
let random_words = (1..$words | par-each { |i| $dictfile | get-random-word $word_length $num_lines | random-format-word } --threads $threads)
# Get some symbols to sprinkle like salt bae
# Update default symbol chars in symbols flag
let symbols_len = ($symbols | str length)
let random_symbols = (1..$words | par-each { |i| $symbols | get-random-symbol $symbols $symbols_len })
let random_symbols = (1..$words | par-each { |i| $symbols | get-random-symbol $symbols $symbols_len } --threads $threads)
# Get some random numbers
let random_numbers = (1..$words | par-each { |i| (random integer 0..99) })
let random_numbers = (1..$words | par-each { |i| (random integer 0..99) } --threads $threads)
# Print some vars if debug flag is set
if $debug {