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Nushell language preview

1. Pipelines

structured commands, flags, and filters
horizon-dark
ls
| where size > 1mb
| sort-by modified
| select name size
| first 5
atom-one-dark
ls
| where size > 1mb
| sort-by modified
| select name size
| first 5
github-dark
ls
| where size > 1mb
| sort-by modified
| select name size
| first 5
dracula
ls
| where size > 1mb
| sort-by modified
| select name size
| first 5
nord
ls
| where size > 1mb
| sort-by modified
| select name size
| first 5
github
ls
| where size > 1mb
| sort-by modified
| select name size
| first 5

2. Custom command

def, let/mut, and string interpolation
horizon-dark
def greet [name: string] {
    let message = $"Hello, ($name)!"
    print $message
}

greet "world"
atom-one-dark
def greet [name: string] {
    let message = $"Hello, ($name)!"
    print $message
}

greet "world"
github-dark
def greet [name: string] {
    let message = $"Hello, ($name)!"
    print $message
}

greet "world"
dracula
def greet [name: string] {
    let message = $"Hello, ($name)!"
    print $message
}

greet "world"
nord
def greet [name: string] {
    let message = $"Hello, ($name)!"
    print $message
}

greet "world"
github
def greet [name: string] {
    let message = $"Hello, ($name)!"
    print $message
}

greet "world"

3. Values with units

durations, file sizes, and literals
horizon-dark
let timeout = 30sec
let limit = 256mb
let enabled = true

if $enabled {
    print $"timeout is ($timeout)"
}
atom-one-dark
let timeout = 30sec
let limit = 256mb
let enabled = true

if $enabled {
    print $"timeout is ($timeout)"
}
github-dark
let timeout = 30sec
let limit = 256mb
let enabled = true

if $enabled {
    print $"timeout is ($timeout)"
}
dracula
let timeout = 30sec
let limit = 256mb
let enabled = true

if $enabled {
    print $"timeout is ($timeout)"
}
nord
let timeout = 30sec
let limit = 256mb
let enabled = true

if $enabled {
    print $"timeout is ($timeout)"
}
github
let timeout = 30sec
let limit = 256mb
let enabled = true

if $enabled {
    print $"timeout is ($timeout)"
}

4. Nested interpolation

a $"..." interpolation containing its own nested parens
horizon-dark
let a = 1
let b = 2
let c = 3

print $"Sum: (a + (b * c))"
atom-one-dark
let a = 1
let b = 2
let c = 3

print $"Sum: (a + (b * c))"
github-dark
let a = 1
let b = 2
let c = 3

print $"Sum: (a + (b * c))"
dracula
let a = 1
let b = 2
let c = 3

print $"Sum: (a + (b * c))"
nord
let a = 1
let b = 2
let c = 3

print $"Sum: (a + (b * c))"
github
let a = 1
let b = 2
let c = 3

print $"Sum: (a + (b * c))"

5. Raw strings

r#'...'# strings that skip interpolation
horizon-dark
let pattern = r#'C:\Users\(name)'#
print $pattern
atom-one-dark
let pattern = r#'C:\Users\(name)'#
print $pattern
github-dark
let pattern = r#'C:\Users\(name)'#
print $pattern
dracula
let pattern = r#'C:\Users\(name)'#
print $pattern
nord
let pattern = r#'C:\Users\(name)'#
print $pattern
github
let pattern = r#'C:\Users\(name)'#
print $pattern