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|
# fs-utils.ps1 — filesystem utilities =========================================
# Update file timestamps or create new files.
#
# Examples:
# touch file.txt
# touch a.txt, b.txt, c.txt
# 'file1.txt','file2.txt' | touch
function Invoke-Touch {
[CmdletBinding()]
param(
[Parameter(Position = 0, ValueFromPipeline, ValueFromRemainingArguments)]
[string[]]$Path,
[Alias('h')]
[switch]$Help
)
begin {
if ($Help) { $MyInvocation.MyCommand | Get-Help; return }
}
process {
if (-not $Path) { $MyInvocation.MyCommand | Get-Help; return }
foreach ($p in $Path) {
try {
if (Test-Path $p) {
(Get-Item $p).LastWriteTime = Get-Date
}
else {
$null = New-Item -ItemType File -Path $p -Force
}
}
catch {
Write-Warning "touch: failed for '$p' — $($_.Exception.Message)"
}
}
}
}
Set-Alias -Name touch -Value Invoke-Touch -Scope Global
# List only directories in a path
#
# Examples:
# lsd
# lsd C:\Projects
function Get-Dirs {
[CmdletBinding()]
param(
[Parameter(Position = 0)]
[string]$Path = ".",
[Alias('h')]
[switch]$Help
)
if ($Help) { $MyInvocation.MyCommand | Get-Help; return }
Get-ChildItem -LiteralPath $Path -Directory | Sort-Object Name
}
Set-Alias -Name lsd -Value Get-Dirs -Scope Global
# List only files in a path
#
# Examples:
# lsf
# lsf C:\Projects
function Get-Files {
[CmdletBinding()]
param(
[Parameter(Position = 0)]
[string]$Path = ".",
[Alias('h')]
[switch]$Help
)
if ($Help) { $MyInvocation.MyCommand | Get-Help; return }
Get-ChildItem -LiteralPath $Path -File | Sort-Object Name
}
Set-Alias -Name lsf -Value Get-Files -Scope Global
# List most recently modified items in a path
#
# Examples:
# recent
# recent C:\Projects
# recent -Limit 5
function Get-Recent {
[CmdletBinding()]
param(
[Parameter(Position = 0)]
[string]$Path = ".",
[Parameter()]
[int]$Limit = 10,
[Alias('h')]
[switch]$Help
)
if ($Help) { $MyInvocation.MyCommand | Get-Help; return }
Get-ChildItem -LiteralPath $Path -ErrorAction SilentlyContinue |
Sort-Object LastWriteTime -Descending |
Select-Object -First $Limit |
Format-Table Name, LastWriteTime, Length -AutoSize
}
Set-Alias -Name recent -Value Get-Recent -Scope Global
# Copy a path or file contents to the clipboard.
#
# Flags:
# -Content copy file contents instead of the path
#
# Examples:
# yank
# yank foo.txt
# yank foo.txt -Content
function Invoke-Yank {
[CmdletBinding()]
param(
[Parameter(Position = 0)]
[string]$Path = ".",
[Alias('c')]
[switch]$Content,
[Alias('h')]
[switch]$Help
)
if ($Help) { $MyInvocation.MyCommand | Get-Help; return }
$Target = (Resolve-Path $Path -ErrorAction Stop).Path
if ($Content) {
if (-not (Test-Path $Target -PathType Leaf)) {
Write-Error "yank: '$Target' is not a file. Use without -Content to copy the path."
return
}
$Data = Get-Content -LiteralPath $Target -Raw
$Data | Set-Clipboard
$Lines = ($Data -split "`n").Count
Write-Host "Copied file contents: " -NoNewline -ForegroundColor Blue
Write-Host "$Lines lines"
}
else {
$Target | Set-Clipboard
Write-Host "Copied path: " -NoNewline -ForegroundColor Blue
Write-Host $Target
}
}
Set-Alias -Name yank -Value Invoke-Yank -Scope Global
# Write clipboard contents into a file.
#
# Flags:
# -Overwrite replace file instead of appending
#
# Examples:
# shank notes.txt
# shank notes.txt -Overwrite
function Invoke-Shank {
[CmdletBinding()]
param(
[Parameter(Mandatory, Position = 0)]
[string]$Path,
[Alias('o')]
[switch]$Overwrite,
[Alias('h')]
[switch]$Help
)
if ($Help) { $MyInvocation.MyCommand | Get-Help; return }
$Data = Get-Clipboard
if (-not $Data) {
Write-Host "Clipboard is empty. Nothing to shank." -ForegroundColor Yellow
return
}
if ($Overwrite) {
$Data | Set-Content -Path $Path -Force
Write-Host "Overwritten: " -NoNewline -ForegroundColor Blue
Write-Host $Path
}
else {
$Data | Add-Content -Path $Path
Write-Host "Appended to: " -NoNewline -ForegroundColor Blue
Write-Host $Path
}
}
Set-Alias -Name shank -Value Invoke-Shank -Scope Global
# Pretty-print a directory tree with gitignore support.
#
# Flags:
# -DirsOnly show directories only
# -FilesOnly show files only
# -NoGitIgnore ignore .gitignore files
#
# Examples:
# tree
# tree C:\Projects -Depth 5
# tree -DirsOnly
function Show-Tree {
param(
[string]$Path = ".",
[int]$Depth = 3,
[switch]$DirsOnly,
[switch]$FilesOnly,
[switch]$NoGitIgnore,
[Alias('h')]
[switch]$Help
)
if ($Help) { $MyInvocation.MyCommand | Get-Help; return }
if ($DirsOnly -and $FilesOnly) {
Write-Error "tree: -DirsOnly and -FilesOnly are mutually exclusive. Use one or neither."
return
}
$Root = (Resolve-Path $Path).Path
$C = @{
TopLeft = [char]0x256D
VLine = [char]0x2502
TBranch = [char]0x251C
LBranch = [char]0x2570
HLine = [char]0x2500
DirMark = [char]0x25B8
FileMark = [char]0x2022
}
function Get-GitIgnorePatterns {
param([string]$Dir)
if ($NoGitIgnore) { return @() }
$IgnoreFile = Join-Path $Dir ".gitignore"
if (-not (Test-Path $IgnoreFile)) { return @() }
$Patterns = @()
foreach ($Line in Get-Content $IgnoreFile) {
$Line = $Line.Trim()
if ($Line -eq '' -or $Line.StartsWith('#')) { continue }
$Line = $Line.TrimEnd('/')
$Line = $Line.TrimStart('/')
# Strip **/ prefix
$Line = $Line -replace '^\*\*/', ''
$Patterns += $Line
}
return $Patterns
}
function Test-Ignored {
param([string]$Name, [string[]]$Patterns)
foreach ($Pat in $Patterns) {
if ($Name -like $Pat) { return $true }
}
return $false
}
function Write-Prefix {
param([bool[]]$IsLastStack)
foreach ($last in $IsLastStack) {
if ($last) { Write-Host " " -NoNewline }
else { Write-Host "$($C.VLine) " -NoNewline -ForegroundColor DarkGray }
}
}
function Walk {
param([string]$P, [int]$Level, [bool[]]$IsLastStack, [string[]]$IgnorePatterns)
if ($Level -gt $Depth) { return }
$LocalPatterns = $IgnorePatterns + (Get-GitIgnorePatterns -Dir $P)
$Entries = Get-ChildItem -LiteralPath $P -ErrorAction SilentlyContinue
if ($DirsOnly) { $Entries = $Entries | Where-Object { $_.PSIsContainer } }
if ($FilesOnly) { $Entries = $Entries | Where-Object { -not $_.PSIsContainer } }
if ($LocalPatterns.Count -gt 0) {
$Entries = $Entries | Where-Object { -not (Test-Ignored -Name $_.Name -Patterns $LocalPatterns) }
}
$Entries = $Entries | Sort-Object @{ Expression = { $_.PSIsContainer }; Descending = $true }, Name
$Count = $Entries.Count
if ($Count -eq 0) { return }
for ($i = 0; $i -lt $Count; $i++) {
$Entry = $Entries[$i]
$IsLast = ($i -eq ($Count - 1))
$Branch = if ($IsLast) { "$($C.LBranch)$($C.HLine) " } else { "$($C.TBranch)$($C.HLine) " }
$Marker = if ($Entry.PSIsContainer) { "$($C.DirMark) " } else { "$($C.FileMark) " }
Write-Prefix -IsLastStack $IsLastStack
Write-Host $Branch -NoNewline -ForegroundColor DarkGray
Write-Host $Marker -NoNewline
if ($Entry.PSIsContainer) {
Write-Host $Entry.Name -ForegroundColor Green
Walk -P $Entry.FullName -Level ($Level + 1) -IsLastStack ($IsLastStack + $IsLast) -IgnorePatterns $LocalPatterns
}
else {
Write-Host $Entry.Name
}
}
}
$RootPatterns = Get-GitIgnorePatterns -Dir $Root
Write-Host "$($C.TopLeft)$($C.HLine) " -NoNewline -ForegroundColor DarkGray
Write-Host "Parent Dir: " -NoNewline -ForegroundColor Blue
Write-Host $Root
Write-Host $C.VLine -ForegroundColor DarkGray
Walk -P $Root -Level 1 -IsLastStack @() -IgnorePatterns $RootPatterns
}
Set-Alias -Name tree -Value Show-Tree -Scope Global
# function Show-Tree {
# param(
# [string]$Path = ".",
# [int]$Depth = 3,
# [switch]$DirsOnly,
# [switch]$FilesOnly,
# [switch]$NoGitIgnore
# )
# # Soft mutex — better error message than parameter sets
# if ($DirsOnly -and $FilesOnly) {
# Write-Error "Show-Tree: -DirsOnly and -FilesOnly are mutually exclusive. Use one or neither."
# return
# }
# $Root = (Resolve-Path $Path).Path
# # Pre-compute box-drawing chars once
# $C = @{
# TopLeft = [char]0x256D # ╭
# VLine = [char]0x2502 # │
# TBranch = [char]0x251C # ├
# LBranch = [char]0x2570 # ╰
# HLine = [char]0x2500 # ─
# DirMark = [char]0x25B8 # ▸
# FileMark = [char]0x2022 # •
# }
# # Parse a .gitignore file into a list of pattern strings.
# # Returns empty array if file doesn't exist or NoGitIgnore is set.
# function Get-GitIgnorePatterns {
# param([string]$Dir)
# if ($NoGitIgnore) { return @() }
# $IgnoreFile = Join-Path $Dir ".gitignore"
# if (-not (Test-Path $IgnoreFile)) { return @() }
# $Patterns = @()
# foreach ($Line in Get-Content $IgnoreFile) {
# $Line = $Line.Trim()
# # Skip comments and blank lines
# if ($Line -eq '' -or $Line.StartsWith('#')) { continue }
# # Normalize: strip trailing slash (dir-only markers), strip leading slash (anchored)
# $Line = $Line.TrimEnd('/')
# $Line = $Line.TrimStart('/')
# $Patterns += $Line
# }
# return $Patterns
# }
# # Test an entry name against accumulated ignore patterns.
# function Test-Ignored {
# param(
# [string]$Name,
# [string[]]$Patterns
# )
# foreach ($Pat in $Patterns) {
# if ($Name -like $Pat) { return $true }
# }
# return $false
# }
# function Write-Prefix {
# param([bool[]]$IsLastStack)
# foreach ($last in $IsLastStack) {
# if ($last) {
# Write-Host " " -NoNewline
# }
# else {
# Write-Host "$($C.VLine) " -NoNewline -ForegroundColor DarkGray
# }
# }
# }
# function Walk {
# param(
# [string]$P,
# [int]$Level,
# [bool[]]$IsLastStack,
# [string[]]$IgnorePatterns
# )
# if ($Level -gt $Depth) { return }
# # Accumulate any .gitignore patterns defined at this directory level
# $LocalPatterns = $IgnorePatterns + (Get-GitIgnorePatterns -Dir $P)
# # Get entries, apply DirsOnly / FilesOnly filter early
# $Entries = Get-ChildItem -LiteralPath $P -ErrorAction SilentlyContinue
# if ($DirsOnly) { $Entries = $Entries | Where-Object { $_.PSIsContainer } }
# if ($FilesOnly) { $Entries = $Entries | Where-Object { -not $_.PSIsContainer } }
# # Apply gitignore patterns
# if ($LocalPatterns.Count -gt 0) {
# $Entries = $Entries | Where-Object { -not (Test-Ignored -Name $_.Name -Patterns $LocalPatterns) }
# }
# $Entries = $Entries | Sort-Object @{ Expression = { $_.PSIsContainer }; Descending = $true }, Name
# $Count = $Entries.Count
# if ($Count -eq 0) { return }
# for ($i = 0; $i -lt $Count; $i++) {
# $Entry = $Entries[$i]
# $IsLast = ($i -eq ($Count - 1))
# $Branch = if ($IsLast) { "$($C.LBranch)$($C.HLine) " } else { "$($C.TBranch)$($C.HLine) " }
# $Marker = if ($Entry.PSIsContainer) { "$($C.DirMark) " } else { "$($C.FileMark) " }
# Write-Prefix -IsLastStack $IsLastStack
# Write-Host $Branch -NoNewline -ForegroundColor DarkGray
# Write-Host $Marker -NoNewline
# if ($Entry.PSIsContainer) {
# Write-Host $Entry.Name -ForegroundColor Green
# Walk -P $Entry.FullName -Level ($Level + 1) -IsLastStack ($IsLastStack + $IsLast) -IgnorePatterns $LocalPatterns
# }
# else {
# Write-Host $Entry.Name
# }
# }
# }
# # Seed root-level gitignore patterns
# $RootPatterns = Get-GitIgnorePatterns -Dir $Root
# Write-Host "$($C.TopLeft)$($C.HLine) " -NoNewline -ForegroundColor DarkGray
# Write-Host "Parent Dir: " -NoNewline -ForegroundColor Blue
# Write-Host $Root
# Write-Host $C.VLine -ForegroundColor DarkGray
# Walk -P $Root -Level 1 -IsLastStack @() -IgnorePatterns $RootPatterns
# }
# Set-Alias -Name tree -Value Show-Tree -Scope Global
|
