PowerShell/Docs/download-file.md
2022-12-04 10:40:18 +01:00

75 lines
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Markdown

## The *download-file.ps1* Script
This PowerShell script downloads a file from the given URL
## Parameters
```powershell
download-file.ps1 [[-URL] <String>] [<CommonParameters>]
-URL <String>
Specifies the URL where to download from
Required? false
Position? 1
Default value
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
## Example
```powershell
PS> ./download-file https://www.cnn.com/index.html
```
## Notes
Author: Markus Fleschutz | License: CC0
## Related Links
https://github.com/fleschutz/PowerShell
## Source Code
```powershell
<#
.SYNOPSIS
Downloads a file from an URL
.DESCRIPTION
This PowerShell script downloads a file from the given URL
.PARAMETER URL
Specifies the URL where to download from
.EXAMPLE
PS> ./download-file https://www.cnn.com/index.html
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$URL = "")
try {
if ($URL -eq "") { $URL = read-host "Enter file URL to download" }
$StopWatch = [system.diagnostics.stopwatch]::startNew()
& wget --version
if ($lastExitCode -ne "0") { throw "Can't execute 'wget' - make sure wget is installed and available" }
& wget --mirror --convert-links --adjust-extension --page-requisites --no-parent $URL --directory-prefix . --no-verbose
if ($lastExitCode -ne "0") { throw "Can't execute 'wget --mirror $URL'" }
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
"✔️ downloaded file from $URL in $Elapsed sec"
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*Generated by convert-ps2md.ps1 using the comment-based help of download-file.ps1*