Andrew
9d96b6679b
Although file is a standard UNIX utility and therefore preferable to mimetype, a Perl utility, I find it to generally be less reliable than mimetype for correctly identifying file types such as, for example, PDFs if the header is missing
43 lines
2.0 KiB
Bash
Executable File
43 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# File preview handler for lf using the Perl `mimetype` utility.
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preview_filepath="/tmp/lf_preview_image.png"
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case "$(mimetype --brief -- "$1")" in
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application/gzip | application/msword | application/x-iso9660-image | application/vnd.openxmlformats-officedocument.wordprocessingml.document)
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exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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application/json)
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jq --color-output . "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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application/pdf)
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pdftoppm -jpeg "$1" -singlefile | chafa --size="$(($2-4))"x"$3" --animate off
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pdfinfo "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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application/vnd.sqlite3)
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sqlite3 "$1" "SELECT * FROM sqlite_master WHERE type = 'table';" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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application/x-pcapng)
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tshark -r "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;; # the --read-file option does not seem to work
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application/zip)
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unzip -lv "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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audio/*)
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exiftool -Picture -b "$1" | chafa --size="$(($2-4))"x"$3" --animate off || chafa cover.* --size="$(($2-4))"x"$3" --animate off
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exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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video/*)
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ffmpeg -ss 00:00:00 -i "$1" -frames:v 1 "$preview_filepath"
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chafa "$preview_filepath" --size="$(($2-4))"x"$3"
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rm "$preview_filepath" # removing preview file so that lf looks for a new preview image instead of going for an old one
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exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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image/*)
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chafa "$1" --size="$(($2-4))"x"$3" --animate off
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exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
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*)
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bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization "$1"
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esac
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