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javaagent-exit

A Java Agent that shuts down after installed. The agent should be installed dynamically with Sun Attach API. Here is an example, how:

VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:

  • exitcode: The exit code that the agent should use to stop the JVM. The code is used when everything went well; all shutdown hooks ran and there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM forcibly by calling Runtime.halt(haltcode). The value is specified in milliseconds. If the value is less than or equal to 0, the agent will wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly after the timeout. Default value is 1.

Arguments should be separated by comma. E.g.:

vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

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The artifact is available on maven-central.

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A Java Agent that calls System.exit() after installed.

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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BranchesTags
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javaagent-exit
A Java Agent that shuts down after installed. The agent should be installed
dynamically with Sun Attach API. Here is an example, how:
VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:
  • exitcode: The exit code that the agent should use to stop the JVM.
The code is used when everything went well; all shutdown hooks ran and
there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM
forcibly by calling Runtime.halt(haltcode). The value is specified in
milliseconds. If the value is less than or equal to 0, the agent will
wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly
after the timeout. Default value is 1.
Arguments should be separated by comma. E.g.:
vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

Download
The artifact is available on maven-central.
About
A Java Agent that calls System.exit() after installed.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
7 stars
Watchers
4 watching
Forks
4 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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javaagent-exit
A Java Agent that shuts down after installed. The agent should be installed
dynamically with Sun Attach API. Here is an example, how:
VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:
  • exitcode: The exit code that the agent should use to stop the JVM.
The code is used when everything went well; all shutdown hooks ran and
there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM
forcibly by calling Runtime.halt(haltcode). The value is specified in
milliseconds. If the value is less than or equal to 0, the agent will
wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly
after the timeout. Default value is 1.
Arguments should be separated by comma. E.g.:
vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

Download
The artifact is available on maven-central.
About
A Java Agent that calls System.exit() after installed.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
7 stars
Watchers
4 watching
Forks
4 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
javaagent-exit
A Java Agent that shuts down after installed. The agent should be installed
dynamically with Sun Attach API. Here is an example, how:
VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:
  • exitcode: The exit code that the agent should use to stop the JVM.
The code is used when everything went well; all shutdown hooks ran and
there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM
forcibly by calling Runtime.halt(haltcode). The value is specified in
milliseconds. If the value is less than or equal to 0, the agent will
wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly
after the timeout. Default value is 1.
Arguments should be separated by comma. E.g.:
vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

Download
The artifact is available on maven-central.
About
A Java Agent that calls System.exit() after installed.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
7 stars
Watchers
4 watching
Forks
4 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
javaagent-exit
A Java Agent that shuts down after installed. The agent should be installed
dynamically with Sun Attach API. Here is an example, how:
VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:
  • exitcode: The exit code that the agent should use to stop the JVM.
The code is used when everything went well; all shutdown hooks ran and
there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM
forcibly by calling Runtime.halt(haltcode). The value is specified in
milliseconds. If the value is less than or equal to 0, the agent will
wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly
after the timeout. Default value is 1.
Arguments should be separated by comma. E.g.:
vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

Download
The artifact is available on maven-central.
About
A Java Agent that calls System.exit() after installed.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
7 stars
Watchers
4 watching
Forks
4 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
javaagent-exit
A Java Agent that shuts down after installed. The agent should be installed
dynamically with Sun Attach API. Here is an example, how:
VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:
  • exitcode: The exit code that the agent should use to stop the JVM.
The code is used when everything went well; all shutdown hooks ran and
there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM
forcibly by calling Runtime.halt(haltcode). The value is specified in
milliseconds. If the value is less than or equal to 0, the agent will
wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly
after the timeout. Default value is 1.
Arguments should be separated by comma. E.g.:
vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

Download
The artifact is available on maven-central.
About
A Java Agent that calls System.exit() after installed.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
7 stars
Watchers
4 watching
Forks
4 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
javaagent-exit
A Java Agent that shuts down after installed. The agent should be installed
dynamically with Sun Attach API. Here is an example, how:
VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:
  • exitcode: The exit code that the agent should use to stop the JVM.
The code is used when everything went well; all shutdown hooks ran and
there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM
forcibly by calling Runtime.halt(haltcode). The value is specified in
milliseconds. If the value is less than or equal to 0, the agent will
wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly
after the timeout. Default value is 1.
Arguments should be separated by comma. E.g.:
vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

Download
The artifact is available on maven-central.
About
A Java Agent that calls System.exit() after installed.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
7 stars
Watchers
4 watching
Forks
4 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
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javaagent-exit
A Java Agent that shuts down after installed. The agent should be installed
dynamically with Sun Attach API. Here is an example, how:
VirtualMachine vm = VirtualMachine.attach(pid);
vm.loadAgent(pathToShutdownAgentJar, args);

Three arguments are supported:
  • exitcode: The exit code that the agent should use to stop the JVM.
The code is used when everything went well; all shutdown hooks ran and
there are only daemon threads left. The default value is 0.
  • timeout: The agent waits until the timeout, before shuts down the JVM
forcibly by calling Runtime.halt(haltcode). The value is specified in
milliseconds. If the value is less than or equal to 0, the agent will
wait forever for a clean shutdown. The default value is 0.
  • haltcode: The code that the agent uses during stopping the JVM forcibly
after the timeout. Default value is 1.
Arguments should be separated by comma. E.g.:
vm.loadAgent(pathToShutdownAgentJar, "timeout=1000,haltcode=5");

Download
The artifact is available on maven-central.
About
A Java Agent that calls System.exit() after installed.
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
7 stars
Watchers
4 watching
Forks
4 forks
Report repository
Releases
Packages
Contributors
Languages