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https://github.com/jbranchaud/til
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45 lines
1.9 KiB
Markdown
45 lines
1.9 KiB
Markdown
# Format And Display Small Amounts Of Columnar Data
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In [_List Processes Running Across All (tmux)
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Sessions](tmux/list-processes-running-across-all-sessions.md), I showed an
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example of piping some data from `tmux` to the `column -t` command to nicely format
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and display the columnar data as a table. By default is uses spaces as the
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delimiter.
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```bash
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❯ tmux list-panes -a -F "#{session_name}:#{window_index}.#{pane_index} #{pane_pid} #{pane_current_command}" \
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| column -t
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PLP:1.1 62364 zsh
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TIL:1.1 62345 nvim
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TIL:1.2 65838 task
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TIL:2.1 11428 tmux
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client-app:1.1 62373 ssh
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client-app:1.2 10796 zsh
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client-app:1.3 63081 zsh
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client-app:2.1 61115 overmind
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client-app:3.1 82608 zsh
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visualmode-dev:1.1 52237 zsh
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```
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This can be useful for formatting data from all kinds of commands and tools.
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Sometimes the columns of data are separated by something other than spaces. For
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instance, here is some git branch information (for my [dotfiles
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repo](https://github.com/jbranchaud/dotfiles)) separated by the `|` character.
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To format that with `column`, I need to also include the `-s '|'` flag to
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override the delimiter.
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```bash
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❯ git for-each-ref --format='%(refname:short)|%(authordate:short)|%(authorname)' refs/heads/ \
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| column -t -s '|'
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claude/sync-dotfiles-011CUP87cRV6c51eEi3Chg99 2025-10-22 jbranchaud
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jb/add-rhubarb-for-fugitive-github-browse 2025-11-02 jbranchaud
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jb/fix-hardcoded-paths 2025-11-02 jbranchaud
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jb/set-nvim-to-default-manpager 2025-10-19 jbranchaud
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main 2026-01-10 jbranchaud
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master 2025-10-30 Dorian Karter
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my-dotfiles 2025-11-01 jbranchaud
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upstream-master 2026-01-01 Dorian Karter
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```
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