PowerShell/Docs/get-sha1.md

## Script: *get-sha1.ps1*

This PowerShell script calculates and prints the SHA1 checksum of the given file.

## Parameters
```powershell
get-sha1.ps1 [[-file] <String>] [<CommonParameters>]

-file <String>
    Specifies the path to the file
    
    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> ./get-sha1 C:\MyFile.txt

```

## Notes
Author: Markus Fleschutz | License: CC0

## Related Links
https://github.com/fleschutz/PowerShell

## Script Content
```powershell
<#
.SYNOPSIS
	Prints the SHA1 checksum of a file
.DESCRIPTION
	This PowerShell script calculates and prints the SHA1 checksum of the given file.
.PARAMETER file
	Specifies the path to the file
.EXAMPLE
	PS> ./get-sha1 C:\MyFile.txt
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$file = "")

try {
	if ($file -eq "" ) { $file = read-host "Enter the filename" }

	$Result = get-filehash $file -algorithm SHA1

	"✔️ SHA1 hash is $($Result.Hash)"
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}
```

*(generated by convert-ps2md.ps1 using the comment-based help of get-sha1.ps1 as of 07/29/2023 09:55:11)*