Take screenshots of all fonts in a linux console.

listfonts.sh

#! /bin/bash -e

if ! command -v fbgrab &>/dev/null; then
	echo "Please install fbgrab before running this."
	exit 1
fi

fontpath="${FONTPATH:-/usr/share/consolefonts}"
cd "$fontpath"

outputpath="${1:-/shared/fontpics}"

shopt -s extglob

if [ -f "$outputpath" ]; then
	echo "$outputpath already exists and is not a directory!"
	exit 1
fi

if [ ! -d "$outputpath" ]; then
	mkdir "$outputpath"
fi

for font in *.psf*; do
	fontnoext="${font//.psf*/}"
	fontname="${fontnoext/%?(+([0-9])?(x+([0-9])))}"
	fontsize="${fontnoext/#"$fontname"}"

	if setfont $font; then
		clear
		printf "$fontname: $fontsize\n\n"
		showconsolefont
		fbgrab "$outputpath/$fontnoext.png"
	fi
done

clear
echo "Screenshots saved to $outputpath."