Get the SHA256 Hast for a list of files. This can be used to compare to the hast of a downloaded file.

nuls -f d:/work/tools | where name =~ '^nu'| sort-by modified | select fullname |
each {|file| {fullname: $file.fullname, hash: (open $file.fullname --raw | hash sha256)} } | collect

From Roseeta Code Merge and aggregate datasets Task

• Merge and aggregate two datasets as provided in .csv files into a new resulting dataset.

• Use the appropriate methods and data structures depending on the programming language.

• Use the most common libraries only when built-in functionality is not sufficient.

  • Note Either load the data from the .csv files or create the required data structures hard-coded.

This will use the faa-wildlife-strikes.csv file from the VisiData demo. Calculate each species’ state-level percentages

let data = open faa-wildlife-strikes.csv
  | where SPECIES !~ 'Unknown' and STATE != ''

let state = $data

to filer on a date field do the following steps

• make sure the import datetime is in the .visidatarc file.
• format the date column with @ to let visidata know it is a date column.
• be in the column, and do a filter z|
• key in the command

    DATE_FIELD_NAME > datetime.date(YYYY,M,D)
    INCIDENT_DATE > datetime.date(2016,1,1)

In Windows, the config file goes in the user home folder

• Create the C:\Users\USERNAM\.visidatarc file
  • note the dot in front of the file name
• add the following to the file

# for VisiData
import datetime

options.color_key_col = "green"

Use FD to find a file and pipe it to Nushell's ls command to list information on the file.

fd -H -I -i  -E 'Windows' -E 'Python' -E 'Steel*' -E '*ffice*' -E '*ire*' -E '*VS Code*' -E 'WindowsPowerShell' --glob  '*posh*.exe' 'c:\'  | lines | each {|file|  nuls -f  ($file |path dirname) | where name =~ ($file | path basename )  } | flatten

fd -H -I -i -E 'Windows' -E 'Python' -E 'Steel*' -E '*ffice*' -E '*ire*' -E '*VS Code*' -E 'WindowsPowerShell' --glob '*posh*.exe' 'c:\'

I saw on Hacker News for another programming lanuage. I wanted to get the forecast for my area using Nushell.

• I used Grok to get the code for my location.

http get https://api.weather.gov/gridpoints/FFC/32,107/forecast | from json |
  get properties.periods |

I had a need to get words (four characters) that have a suffix from a list.

This was to help someone in the second grade with the words.

I used the unixdict.txt to get the words.

I had a need to get the first Monday of each month of 2025.

• This can be changed to get any other first day by changing the wday variable.
  • su, mo, tu, we, th, fr, sa

let wday = 'mo'
let year = 2025