PowerShell/docs/count-lines.md
2024-05-19 10:25:56 +02:00

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Script: *count-lines.ps1*
========================
This PowerShell script counts the number of lines in text files (.txt/.md/.c/.h/.cpp/.hpp/.java/.py/.ps1/.bat) within a directory tree.
Parameters
----------
```powershell
PS> ./count-lines.ps1 [[-pathToDirTree] <String>] [<CommonParameters>]
-pathToDirTree <String>
Specifies the path to the directory tree.
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> ./count-lines.ps1 C:\Repos\cmake
Found 639921 lines in 11411 text files within 📂cmake in 34 sec.
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Counts the number of lines
.DESCRIPTION
This PowerShell script counts the number of lines in text files (.txt/.md/.c/.h/.cpp/.hpp/.java/.py/.ps1/.bat) within a directory tree.
.PARAMETER pathToDirTree
Specifies the path to the directory tree.
.EXAMPLE
PS> ./count-lines.ps1 C:\Repos\cmake
✔️ Found 639921 lines in 11411 text files within 📂cmake in 34 sec.
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$pathToDirTree = "")
try {
if ($pathToDirTree -eq "" ) { $pathToDirTree = Read-Host "Enter the path to the directory tree" }
$stopWatch = [system.diagnostics.stopwatch]::startNew()
$pathToDirTree = Resolve-Path "$pathToDirTree"
Write-Progress "Counting lines within $pathToDirTree ..."
[int64]$numFiles = [int64]$numLines = 0
Get-ChildItem -Path $pathToDirTree -Include *.txt,*.md,*.c,*.h,*.cpp,*.hpp,*.java,*.py,*.ps1,*.bat -Recurse | ForEach-Object {
$numLines += (Get-Content $_.FullName | Measure-Object -line).Lines
$numFiles++
}
$folderName = (Get-Item "$pathToDirTree").Name
Write-Progress -completed " "
[int]$Elapsed = $stopWatch.Elapsed.TotalSeconds
"✔️ Found $numLines lines in $numFiles text files within 📂$folderName 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 count-lines.ps1 as of 05/19/2024 10:25:19)*