Find the Cdr of a List
Extract all items except the first. Runs entirely in your browser, so your data never leaves your device.
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Output
The result appears here as you type.
How to use Find the Cdr of a List
- 1. Paste your list. Enter your items into the input pane, one per line. Any ordered list where you want everything except the very first entry works here.
- 2. Check the remaining items. There are no settings to configure. The tool drops the first item and keeps the rest, the way the Lisp function 'cdr' returns the tail of a list.
- 3. Copy the remaining list. The output pane shows every item after the first one. Copy the remaining list wherever the tail of the sequence is needed.
When to use Find the Cdr of a List
Find the Cdr of a List returns every item in a pasted list except the first, borrowing the term from the classic Lisp function of the same name. Use it whenever the head of a list needs to be set aside and only the rest matters.
- Dropping a header row from a data export. A pasted export has a header line at the top that should not be treated as data, and taking the cdr of the list leaves only the actual rows.
- Processing a queue after removing the front item. You are modeling a queue where the front item was just handled, and taking the cdr gives you the remaining queue to process next.
- Teaching recursive list processing. You are explaining how recursive functions typically process a list one item at a time, and showing the cdr of a sample list illustrates what remains after each step.
- Checking what remains after removing the leader. A ranked list needs everything below the top entry reviewed separately, and taking the cdr gives you that remainder without the leading item mixed in.
Examples
Cdr of a list
Input
apples bananas cherries
Output
bananas cherries
About the Find the Cdr of a List tool
Find the Cdr of a List is a free online tool that works entirely inside your web browser. Extract all items except the first. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 114 List utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
There is nothing to configure. Provide the input and the result appears on its own. A worked example further down the page shows exactly what the tool produces for a real input.
Because nothing leaves your device, the tool is suitable for sensitive content such as internal documents, credentials or customer data. It also responds instantly, since every keystroke is handled on your own machine rather than by a remote API.
Frequently asked questions
Is Find the Cdr of a List free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.