fzf/bin/fzf-preview.sh
Junegunn Choi 3277e8c89c
Remove $FZF_PREVIEW_PIXEL_{WIDTH,HEIGHT} (#2544)
They are not neccessary because we can use a program such as chafa that
can resize images by the terminal columns and lines.
2023-10-26 22:28:15 +09:00

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#!/usr/bin/env bash
#
# The purpose of this script is to demonstrate how to preview a file or an
# image in the preview window of fzf.
#
# Dependencies:
# - https://github.com/hpjansson/chafa
# - https://github.com/sharkdp/bat
file=$1
type=$(file --mime-type "$file")
if [[ ! $type =~ image/ ]]; then
# Sometimes bat is installed as batcat.
if command -v batcat > /dev/null; then
batname="batcat"
elif command -v bat > /dev/null; then
batname="bat"
else
cat "$1"
exit
fi
${batname} --style="${BAT_STYLE:-numbers}" --color=always --pager=never -- "$file"
elif [[ $KITTY_WINDOW_ID ]]; then
# 'memory' is the fastest option but if you want the image to be scrollable,
# you have to use 'stream'
kitty icat --clear --transfer-mode=memory --stdin=no --place="${FZF_PREVIEW_COLUMNS}x${FZF_PREVIEW_LINES}@0x0" "$file" | sed \$d
echo -en "\e[m"
elif command -v chafa > /dev/null; then
chafa -f sixel -s "${FZF_PREVIEW_COLUMNS}x${FZF_PREVIEW_LINES}" "$file"
else
file "$file"
fi