Be notified on clipboard read or write #88

New Issue

Benjamin_Loison · 2025-08-06T16:14:21+02:00

Benjamin_Loison commented

2025-08-06 16:14:21 +02:00

Related to Benjamin_Loison/firefox/issues/188.

Related to [Benjamin_Loison/firefox/issues/188](https://codeberg.org/Benjamin_Loison/firefox/issues/188).

Benjamin_Loison commented

2025-09-08 18:21:42 +02:00

Could be useful when having a bad Internet connection, but want to download many YouTube videos from Element by putting each into clipboard.

DuckDuckGo search Debian be notified on clipboard change.

Could be useful when having a bad Internet connection, but want to download many YouTube videos from Element by putting each into clipboard. DuckDuckGo search *Debian be notified on clipboard change*.

Benjamin_Loison commented

2025-09-08 18:30:00 +02:00

The Unix Stack Exchange answer 723818:

clipnotify has 242 stars and last commit was 3 years ago.

clipnotify/tree/25ba143c7da8ae0f196cb0db2797d30e6d04e15c seems to indeed not be poll based as states README.md.

[The Unix Stack Exchange answer 723818](https://unix.stackexchange.com/a/723818): [clipnotify](https://github.com/cdown/clipnotify) has 242 stars and last commit was 3 years ago. [clipnotify/tree/25ba143c7da8ae0f196cb0db2797d30e6d04e15c](https://github.com/cdown/clipnotify/tree/25ba143c7da8ae0f196cb0db2797d30e6d04e15c) seems to indeed not be poll based as states `README.md`.

Benjamin_Loison commented

2025-09-08 18:36:15 +02:00

Related to Benjamin-Loison/gitea/issues/122.

Related to [Benjamin-Loison/gitea/issues/122](https://github.com/Benjamin-Loison/gitea/issues/122).

Benjamin_Loison commented

2025-09-08 18:45:10 +02:00

make

cc   clipnotify.c -o clipnotify -I/usr/X11R6/include -L/usr/X11R6/lib -lX11 -lXfixes

``` make ``` ``` cc clipnotify.c -o clipnotify -I/usr/X11R6/include -L/usr/X11R6/lib -lX11 -lXfixes ```

Benjamin_Loison commented

2025-09-08 18:45:25 +02:00

When double click a word in the terminal the program exits which is unwanted. It seems to also exit when ctrl + c on text editor which is a wanted behavior. Note that when the program exit there is still no output.

When double click a word in the terminal the program exits which is unwanted. It seems to also exit when <kbd>ctrl</kbd> + <kbd>c</kbd> on text editor which is a wanted behavior. Note that when the program exit there is still no output.

Benjamin_Loison commented

2025-09-08 18:45:53 +02:00

./clipnotify --help

Output:

./clipnotify: invalid option -- '-'
./clipnotify: Notify by exiting on clipboard events.

  -l    Instead of exiting, print a newline when a new selection is available.
  -s    The selection to use. Available selections:
        clipboard, primary, secondary
        The default is to monitor clipboard and primary.

./clipnotify -h

Output:

./clipnotify: Notify by exiting on clipboard events.

  -l    Instead of exiting, print a newline when a new selection is available.
  -s    The selection to use. Available selections:
        clipboard, primary, secondary
        The default is to monitor clipboard and primary.

``` ./clipnotify --help ``` <details> <summary>Output:</summary> ``` ./clipnotify: invalid option -- '-' ./clipnotify: Notify by exiting on clipboard events. -l Instead of exiting, print a newline when a new selection is available. -s The selection to use. Available selections: clipboard, primary, secondary The default is to monitor clipboard and primary. ``` </details> ``` ./clipnotify -h ``` <details> <summary>Output:</summary> ``` ./clipnotify: Notify by exiting on clipboard events. -l Instead of exiting, print a newline when a new selection is available. -s The selection to use. Available selections: clipboard, primary, secondary The default is to monitor clipboard and primary. ``` </details>

Benjamin_Loison commented

2025-09-08 18:47:39 +02:00

ctrl + v does not make the program exit, which is quite as wanted.

<kbd>ctrl</kbd> + <kbd>v</kbd> does not make the program exit, which is quite as wanted.

Benjamin_Loison commented

2025-09-08 18:48:19 +02:00

./clipnotify -s clipboard

works as wanted, not stopping the program on word double clicked in the terminal.

It works fine even if the program is running in the background.

``` ./clipnotify -s clipboard ``` works as wanted, not stopping the program on word double clicked in the terminal. It works fine even if the program is running in the background.

Benjamin_Loison commented

2025-09-08 18:48:48 +02:00

It correctly also exits if copy the same clipboard content.

Benjamin_Loison commented

2025-09-08 18:49:00 +02:00

-l works as wanted.

`-l` works as wanted.

Benjamin_Loison commented

2025-09-08 18:51:33 +02:00

Bash script:

while ./clipnotify
do
    xclip -selection clipboard -out
    echo
done

Output:

https://www.youtube.com/watch?v=q1HVFlNtRJA
https://www.youtube.com/watch?v=_pCYKRhOyLE
https://www.youtube.com/watch?v=eXo0LkaddkQ
https://www.youtube.com/watch?v=8RCESw7GW3A
https://www.youtube.com/watch?v=6JgZ80-5hkE
https://www.youtube.com/watch?v=LXRq3sCtYPE

Note that for Element right-clicking a URL and enter proceeds to Copy link.

<details> <summary>Bash script:</summary> ```bash while ./clipnotify do xclip -selection clipboard -out echo done ``` </details> <details> <summary>Output:</summary> ``` https://www.youtube.com/watch?v=q1HVFlNtRJA https://www.youtube.com/watch?v=_pCYKRhOyLE https://www.youtube.com/watch?v=eXo0LkaddkQ https://www.youtube.com/watch?v=8RCESw7GW3A https://www.youtube.com/watch?v=6JgZ80-5hkE https://www.youtube.com/watch?v=LXRq3sCtYPE ``` </details> Note that for Element right-clicking a URL and <kbd>enter</kbd> proceeds to *Copy link*.

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Reference: Benjamin_Loison/linux#88