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Powershell fish prompt
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| function replaceHome($pathArray) { | |
| # Check whether the first three paths are equal to HOME | |
| # If it is, it substitutes it for ~ | |
| # Change this accordingly, if your home path is more than three | |
| # paths long. | |
| $splitChar = [System.IO.Path]::DirectorySeparatorChar | |
| if ( ($pathArray.Length -gt 2) -and | |
| (($pathArray[0..2] -join $splitChar) -eq $HOME)) { | |
| @("~") + $pathArray[3..$pathArray.Length] | |
| } | |
| else { | |
| $pathArray | |
| } | |
| } | |
| function fish_prompt { | |
| $splitChar = [System.IO.Path]::DirectorySeparatorChar | |
| $currLocation = (Get-Location) | |
| if ($currLocation.ToString() -eq $HOME) { | |
| # Special case the home directory | |
| "~>" | |
| } | |
| else { | |
| $current = Split-Path -Leaf -Path $currLocation | |
| $parent = Split-Path -Parent -Path $currLocation | |
| $folders = $parent.Split($splitChar, [System.StringSplitOptions]::RemoveEmptyEntries) | |
| if ($folders.Length -lt 2) { | |
| # If the path is 0 or 1, then ignore. | |
| $currLocation.ToString() + ">" | |
| } | |
| else { | |
| $folders = replaceHome($folders) # optional, to get the ~/Docs effect | |
| # Replace everything except the first name | |
| # Note: On line 35, (+) for array concat avoids issue of empty arr | |
| $firstNameFolders = ForEach ($f in $folders[1..$folders.Length]) { $f[0] } | |
| $folders = @($folders[0]) + $firstNameFolders + @($current) | |
| ($folders -join $splitChar) + ">" | |
| } | |
| } | |
| } | |
| function prompt { | |
| fish_prompt | |
| } |
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EDIT Jun 29, 2020: Minor changes to cache (Get-Location), and use the -Join operator instead of the .NET string join.