2023-09-04 18:28:08 +00:00
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---
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title: "lf - The Light File Manager"
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tags: [ "Documentation", "File Browser" ]
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---
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2023-09-04 19:06:03 +00:00
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2023-09-04 18:28:08 +00:00
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## Config File
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If you don't have a `~/.config/lf/lfrc` file, you can probably find an example in `/usr/share/examples/lf`.
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```bash
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cp -r /usr/share/examples/lf ~/.config/
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```
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Go straight to root with two keys.
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```bash
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map g/ cd /
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```
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Have lf open a file with the default program when you press 'o', using the program `mimeo`.
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```bash
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map o &mimeo $f
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```
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Change that default text editor to look at the extension first.
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```bash
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cmd open ${{
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case $(file --mime-type $f -b) in
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application/x-sc) sc-im $fx;;
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text/html) w3m $fx;;
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text/*) $EDITOR $fx;;
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video/*) nohup mpv $fx --really-quiet >/dev/null &;;
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*) nohup $OPENER $fx >/dev/null &;;
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esac
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}}
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```
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The idea here is to use the default `$OPENER` for lf, but first check extensions.
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Note the extra `mpv` commands to leave the video to play, without blocking the terminal.
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### Interesting Options
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You can set the screen ratio with
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`set ratios 1:2:3`
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That leaves it as a small initial pane, a medium pane, and a large pane for file previews.
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### Rename
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The standard renaming is bad, because you have to re-type the file extension.
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Use this instead:
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```bash
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# rename current file without overwrite
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cmd rename %echo 'name: ' ; read name ; extension="${f##*.}" && newname="$name.$extension"; [ "$f" = "$extension" ] && newname="$name"; [ ! -e "$newname" ] && mv "$f" "$newname" || echo file exists
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map r push :rename<enter>
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```
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If you try to rename `image_1.png` with this command, you can type in `cats`, and the result will be `cats.png`.
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## Image Previews
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First, install `ueberzug` (to show images).
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Then clone the lfrun repo.
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```bash
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git clone https://github.com/cirala/lfimg.git
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cd lfimg
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sudo make install
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```
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