PowerShell/Scripts/locate-city.ps1

<#
.SYNOPSIS
	locate-city.ps1 [<city>]
.DESCRIPTION
	Prints the geographic location of the given city.
.EXAMPLE
	PS> .\locate-city.ps1 Paris
.NOTES
	Author: Markus Fleschutz · License: CC0
.LINK
	https://github.com/fleschutz/PowerShell
#>

param([string]$City = "")

try {
	if ($City -eq "" ) { $City = read-host "Enter the city name" }

	write-progress "Reading worldcities.csv..."
	$Table = import-csv "$PSScriptRoot/../Data/worldcities.csv"

	$FoundOne = 0
	foreach($Row in $Table) {
		if ($Row.city -eq $City) {
			$FoundOne = 1
			$Country = $Row.country
			$Region = $Row.admin_name
			$Lat = $Row.lat
			$Long = $Row.lng
			$Population = $Row.population
			write-host "* $City ($Country, $Region, population $Population) is at $Lat°N, $Long°W"
		}
	}

	if ($FoundOne) {
		exit 0
	}
	write-error "City $City not found"
	exit 1
} catch {
	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}