This guide explains how to save the contents of the current pane in tmux to a file.

Step-by-Step Instructions

  1. Capture the Pane’s Content:

    • Press prefix key Ctrl+b to enter tmux command mode.
    • Type :capture-pane -S - -E - and press Enter. This captures the entire visible contents of the current pane to a buffer.

  2. Save the Buffer to a File:

    • Press prefix key Ctrl+b again to enter tmux command mode.
    • Type :save-buffer /tmp/pane_output.log and press Enter. This saves the buffer content to a file named /tmp/pane_output.log.

Combined Command Method

You can capture the pane’s content and save it to a file using the following commands in your shell within the tmux session:

tmux capture-pane -S - -E -
tmux save-buffer /tmp/pane_output.log