Public/Out-JsonFile.ps1
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function Out-JsonFile { <# .SYNOPSIS Convert an object to JSON and write to a file. .DESCRIPTION This function converts an object to JSON and writes the output to the specified file. By default, it saves the file with the name of the object that you provided to the function. .EXAMPLE Out-JsonFile -Object $TestObject -FilePath $HOME Writes $TestObject as JSON to "$HOME/TestObject.json". .EXAMPLE Out-JsonFile -Object $TestObject -FilePath C:\Temp\report.json Writes $TestObject as JSON to C:\Temp\report.json. .EXAMPLE Out-JsonFile -Object $TestObject Writes $TestObject as JSON to TestObject.json in the current working directory of the file system. .NOTES Author: Sam Erde Version: 0.2.0 Modified: 2024/10/15 #> [CmdletBinding(HelpUri = 'https://day3bits.com/PSPreworkout')] param ( # Object to convert to JSON and save it to a file. [Parameter(Mandatory, ValueFromPipeline, Position = 0)] # Check for empty objects here or in the function body? # [ValidateScript({ if (-not [string]::IsNullOrWhiteSpace($_) -and -not [string]::IsNullOrEmpty($_)) { $true } })] [Object] $Object, # Full path and filename to save the JSON to. [Parameter(Position = 1)] [ValidatePattern('\.json$')] [ValidateScript({ if ((Split-Path -Path $_).Length -gt 0) { if (Test-Path -Path (Split-Path -Path $_) -PathType Container) { $true } else { throw "The directory `'$(Split-Path -Path $_)`' was not found." } } else { $true } })] [string] $FilePath ) begin { # Validate the file path and extension. if ($FilePath) { # Ensure that a working directory is included in filepath. if ([string]::IsNullOrEmpty([System.IO.Path]::GetDirectoryName($FilePath))) { $FilePath = Join-Path -Path (Get-Location -PSProvider FileSystem).Path -ChildPath $FilePath } # To Do: Check for a bare directory path and add a filename to it. $OutFile = $FilePath } else { # If $FilePath is not specified then set $Path to the current location of the FileSystem provider. [string]$Path = (Get-Location -PSProvider FileSystem).Path # Set the file name to be the same as the name of the object passed in the first parameter (providing it has a name). $ObjectName = "$($PSCmdlet.MyInvocation.Statement.Split('$')[1])" if ([string]::IsNullOrEmpty($ObjectName)) { # Just name the file "Object.json" if no filename or object name is present. $OutFile = Join-Path -Path $Path -ChildPath 'Object.json' } else { $OutFile = Join-Path -Path $Path -ChildPath "${ObjectName}.json" } } } # end begin block process { $Object | ConvertTo-Json | Out-File -FilePath $OutFile -Force } # end process block end { Remove-Variable Object, FilePath, Path, OutFile -ErrorAction SilentlyContinue } # end end block } |