Raku Books / Raku One-Liners / Working with Strings

Generating random passwords

Here’s the full code addressing the problem:

('0'..'z').pick(15).join.say

Run it a few times:

Z4x72B8wkWHo0QD
J;V?=CE84jIS^r9
2;m6>kdHRS04XEL
O6wK=umZ]DqyHT5
3SP\tNkX5Zh@1C4
PX6QC?KdWYyzNOc
bq1EfBZNdK9vHxz

Our line of code generates different strings each time you run it. Try it yourself to create a password or take one of the above-shown passwords if you did not install Raku yet.

You may also ask a question: What characters can I expect in the password?

Great that you ask! Raku is a Unicode-oriented language, and the range '0'..'z' seems to contain characters with different Unicode properties (i. e., digits and letters at least). To see what’s inside, just remove the pick method from our one-liner:

('0'..'z').join.say

This line prints the subset of the ASCII table between the two given characters:

0123456789:;<=>?@
ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`
abcdefghijklmnopqrstuvwxyz

These are the characters that may appear in the password. The pick method makes sure characters are not repeated. If you use roll instead, then you allow the characters to appear more than once.

Course navigation

← Working with Strings   |   The joy of Unicode →