From f39d735e2ba625a31a7dbf6fb8bdd62501379ad1 Mon Sep 17 00:00:00 2001
From: zachir <zachir@librem.one>
Date: Wed, 5 Oct 2022 22:00:32 -0500
Subject: Initial Commit

---
 lf/preview | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100755 lf/preview

(limited to 'lf/preview')

diff --git a/lf/preview b/lf/preview
new file mode 100755
index 0000000..4b70b2e
--- /dev/null
+++ b/lf/preview
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+image() {
+	if [ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ]; then
+		printf '{"action": "add", "identifier": "PREVIEW", "x": "%s", "y": "%s", "width": "%s", "height": "%s", "scaler": "contain", "path": "%s"}\n' "$4" "$5" "$(($2-1))" "$(($3-1))" "$1" > "$FIFO_UEBERZUG"
+		exit 1
+	else
+		chafa "$1" -s "$4x"
+	fi
+}
+
+batorcat() {
+	file="$1"
+	shift
+	if command -v bat > /dev/null 2>&1
+	then
+		bat --color=always --style=plain --pager=never "$file" "$@"
+	else
+		cat "$file"
+	fi
+}
+
+CACHE="$HOME/.cache/lf/thumbnail.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | awk '{print $1}'))"
+
+case "$(printf "%s\n" "$(readlink -f "$1")" | awk '{print tolower($0)}')" in
+	*.tgz|*.tar.gz) tar tzf "$1" ;;
+	*.tar.bz2|*.tbz2) tar tjf "$1" ;;
+	*.tar.txz|*.txz) xz --list "$1" ;;
+	*.tar) tar tf "$1" ;;
+	*.zip|*.jar|*.war|*.ear|*.oxt) unzip -l "$1" ;;
+	*.rar) unrar l "$1" ;;
+  *.md) glow -s dark "$1" ;;
+	*.7z) 7z l "$1" ;;
+	*.[1-8]) man "$1" | col -b ;;
+	*.o) nm "$1";;
+	*.torrent) transmission-show "$1" ;;
+	*.iso) iso-info --no-header -l "$1" ;;
+	*.odt|*.ods|*.odp|*.sxw) odt2txt "$1" ;;
+	*.doc) catdoc "$1" ;;
+	*.docx) docx2txt "$1" - ;;
+  *.xml|*.html) w3m -dump "$1";;
+	*.xls|*.xlsx)
+		ssconvert --export-type=Gnumeric_stf:stf_csv "$1" "fd://1" | batorcat --language=csv
+		;;
+	*.wav|*.mp3|*.flac|*.m4a|*.wma|*.ape|*.ac3|*.og[agx]|*.spx|*.opus|*.as[fx]|*.mka)
+		exiftool "$1"
+		;;
+	*.pdf)
+		[ ! -f "${CACHE}.jpg" ] && \
+			pdftoppm -jpeg -f 1 -singlefile "$1" "$CACHE"
+		image "${CACHE}.jpg" "$2" "$3" "$4" "$5"
+		;;
+	*.epub)
+		[ ! -f "$CACHE" ] && \
+			epub-thumbnailer "$1" "$CACHE" 1024
+		image "$CACHE" "$2" "$3" "$4" "$5"
+		;;
+	*.cbz|*.cbr|*.cbt)
+		[ ! -f "$CACHE" ] && \
+			comicthumb "$1" "$CACHE" 1024
+		image "$CACHE" "$2" "$3" "$4" "$5"
+		;;
+	*.avi|*.mp4|*.wmv|*.dat|*.3gp|*.ogv|*.mkv|*.mpg|*.mpeg|*.vob|*.fl[icv]|*.m2v|*.mov|*.webm|*.ts|*.mts|*.m4v|*.r[am]|*.qt|*.divx)
+		[ ! -f "${CACHE}.jpg" ] && \
+			ffmpegthumbnailer -i "$1" -o "${CACHE}.jpg" -s 0 -q 5
+		image "${CACHE}.jpg" "$2" "$3" "$4" "$5"
+		;;
+	*.bmp|*.jpg|*.jpeg|*.png|*.xpm|*.webp|*.gif|*.jfif)
+		image "$1" "$2" "$3" "$4" "$5"
+		;;
+  *.svg)
+    [ ! -f "${CACHE}.jpg" ] && \
+      convert "$1" "${CACHE}.jpg"
+    image "${CACHE}.jpg" "$2" "$3" "$4" "$5"
+    ;;
+	*.ino)
+		batorcat --language=cpp "$1"
+		;;
+	*)
+		batorcat "$1"
+		;;
+esac
+exit 0
-- 
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