John Lusk JohnL4

Coding since 1977, in one form or another, on just about everything but AS/400s and VAXen.

JohnL4 / Set-JavaHome.ps1

Last active February 2, 2018 16:43

Set string environment variable (e.g., $env:JAVA_HOME) to most-recently-created subdirectory

	# So, we're not dependent on filename sort order ("9" > "10").

	if (Test-Path "c:/usr/local/Java") {
	$env:JAVA_HOME = $(ls c:/usr/local/Java \| sort CreationTime -desc \| select -first 1 FullName).FullName
	}
	else {
	Write-Warning "No Java"
	}

	# TODO: could probably use a list of directories to search (e.g., @("c:/usr/local/Java", "c:/Program Files/Java")).

JohnL4 / ArrayLiteral.java

Created February 21, 2018 04:11

Array literals in Java

someMethod( 12, new String[] {"aaa","bbb","ccc"}, FontType.Bold);

JohnL4 / sed.cmd

Last active September 14, 2018 14:53

Invoking Cygwin sed via cmd.exe from kdiff3

c:\bin\sed -E /([0-9a-f][0-9a-f],)+\/d

JohnL4 / sed.ps1

Last active September 14, 2018 14:53

sed-like PowerShell command to null out hex codes in registry dumps before diffing

	cat .\hklm-after-scm-client-but-before-reboot.reg `
	\| % {$_ -replace '([0-9a-f][0-9a-f](,\|$))+','hex-codes'} `
	> ..\RegistryHijinks.edited\hklm-after-scm-client-but-before-reboot.reg

JohnL4 / xml-comments.cs

Created September 21, 2018 17:45

XML comment-based documentation for C# -- lists

	/// <list type="bullet">
	/// <item><description>
	/// blah blah blah
	/// </description></item>
	/// </list>

	// See https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/xmldoc/list

JohnL4 / org-mode-live.txt

Last active October 8, 2018 18:46

Live updates of org-mode files

	In emacs lisp (emacs 25.2.1; org-mode 9.1.2):

	(add-hook 'org-mode-hook
	(lambda ()
	(add-hook 'after-save-hook 'org-html-export-to-html nil t)
	))

	In org-mode file (having downloaded live.js from https://livejs.com):

	#+HTML_HEAD: <script src="/live.js"></script>

JohnL4 / Xform-Nlog.ps1

Last active October 10, 2018 18:53

Using PowerShell and Apache XSLT to transform XML (semantic) logs into plain text

	<#
	.SYNOPSIS
	Transform Sunrise Nlog output (e.g., UIShell.log) to more-readable text
	.DESCRIPTION
	The UIShell.log file will be found in (for example) c:/ProgramData/Allscripts Sunrise/Helios/8.4/Gateway/Log
	#>

	param(
	[Parameter( Mandatory = $true)]
	[string]

JohnL4 / Get-Services.ps1

Created October 22, 2018 17:34

List Windows services matching a string

	get-service \| ? {$_.Name -match 'allscripts\|sunrise\|helios' -or $_.DisplayName -match 'allscripts\|sunrise\|helios'}

	<# Could maybe create a string variable w/the regexp so we don't have to type it twice. #>

JohnL4 / Copy-Files.ps1

Created October 24, 2018 21:07

ls $src | ? {$_.LastWriteTime -ge (Get-Date).AddMinutes( -5)} | cp -dest $dest -for -pass

JohnL4 / footnote-standout-highlight.org

Created November 7, 2018 00:21

Garish highlighting for footnotes in org-mode html

#+HTML_HEAD: <style>a.footref { background-color: cyan; font-weight: bold; padding: 0.3em; }</style>