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Add more readable variable names to file_previewr.sh

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Aindréas Ó hAodha
2024-05-21 11:40:32 +01:00
parent c7db96d729
commit 26d963d960
1 changed files with 24 additions and 18 deletions
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40
file_previewer.sh
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@ -1,42 +1,48 @@
#!/bin/sh
# File preview handler for lf using the Perl `mimetype` utility.
preview_filepath="/tmp/lf_preview_image.png"
preview_image="/tmp/lf_preview_image.jpg"
case "$(mimetype --brief -- "$1")" in
file=$1
width=$2
height=$3
x=$4
y=$5
case "$(mimetype --brief -- "$file")" in
application/gzip | application/msword | application/x-iso9660-image | application/vnd.openxmlformats-officedocument.wordprocessingml.document | application/vnd.openxmlformats-officedocument.presentationml.presentation | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet)
exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
exiftool "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
application/json)
jq --color-output . "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
jq --color-output . "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
application/pdf)
pdftoppm -jpeg "$1" -singlefile | chafa --size="$(($2-4))"x"$3" --animate off
pdfinfo "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
pdftoppm -jpeg "$file" -singlefile | chafa --size="$(($width-4))"x"$height" --animate off
pdfinfo "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
application/vnd.sqlite3)
sqlite3 "$1" "SELECT * FROM sqlite_master WHERE type = 'table';" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
sqlite3 "$file" "SELECT * FROM sqlite_master WHERE type = 'table';" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
application/x-pcapng)
tshark -r "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;; # the --read-file option does not seem to work
tshark -r "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;; # the --read-file option does not seem to work
application/zip)
unzip -lv "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
unzip -lv "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
audio/*)
exiftool -Picture -b "$1" | chafa --size="$(($2-4))"x"$3" --animate off || chafa cover.* --size="$(($2-4))"x"$3" --animate off
exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
exiftool -Picture -b "$file" | chafa --size="$(($width-4))"x"$height" --animate off || chafa cover.* --size="$(($width-4))"x"$height" --animate off
exiftool "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
video/*)
ffmpeg -ss 00:00:00 -i "$1" -frames:v 1 "$preview_filepath"
chafa "$preview_filepath" --size="$(($2-4))"x"$3"
ffmpeg -ss 00:00:00 -i "$file" -frames:v 1 "$preview_filepath"
chafa "$preview_filepath" --size="$(($width-4))"x"$height"
rm "$preview_filepath" # removing preview file so that lf looks for a new preview image instead of going for an old one
exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
exiftool "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
image/*)
chafa "$1" --size="$(($2-4))"x"$3" --animate off
exiftool "$1" | bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization;;
chafa "$file" --size="$(($width-4))"x"$height" --animate off
exiftool "$file" | bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization;;
*)
bat --theme='base16' --terminal-width "$(($2-4))" --force-colorization "$1"
bat --theme='base16' --terminal-width "$(($width-4))" --force-colorization "$file"
esac