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downloading google web fonts
#!/usr/bin/env bash
# vim:noet:sts=4:ts=4:sw=4:tw=120
#=======================================================================================================================
# (c) 2014 Clemens Lang, neverpanic.de
# See https://neverpanic.de/blog/2014/03/19/downloading-google-web-fonts-for-local-hosting/ for details.
#
# With modifications by
# - Chris Jung, campino2k.de, and
# - Robert, github.com/rotx.
#
# Changelog:
# Version 1.1.1, 2015-04-09
# - Switch user agent to IE 8 for WOF to fix problems
# Version 1.1, 2014-06-21
# - Remove colons and spaces from file names for Windows compatibility
# - Add check for Bash version, 4.x is required
# - Correctly handle fonts without a local PostScript name
# - Change format('ttf') to format('truetype') in CSS output
# - Add license header and comments
# - Added sed extended regex flag detection
# Version 1.0, 2014-03-19
#
# License:
# Copyright (c) 2014, Clemens Lang
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
# following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
# disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
# following disclaimer in the documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=======================================================================================================================
#=======================================================================================================================
# Place this script in the directory where you want the font files to be downloaded and a font.css file using the fonts
# to be created. Adjust the list of fonts in the $families variable below with the names of the Google fonts you want to
# use. If you like, you can adjust the $css variable to write the generated CSS to a different file. Not that this file
# will be created and overwritten if it exists.
#=======================================================================================================================
declare -a families
families+=('Roboto Condensed:300')
families+=('Roboto Condensed:400')
families+=('Roboto Condensed:700')
lang="latin,greek"
# Adjust this is you want the created file to have a different name. Note that this file will be overwritten!
css="font.css"
url="http://fonts.googleapis.com/css"
#=======================================================================================================================
# No user-serviceable parts below this line. If you just want to use this script, you can stop reading here.
#
# If you made modifications you'd like to see merged into this script, please mail me a patch to 'cl' at 'clang' dot
# 'name' or leave a comment at https://neverpanic.de/blog/2014/03/19/downloading-google-web-fonts-for-local-hosting/.
#=======================================================================================================================
# Ensure the bash version is new enough. If it isn't error out with a helpful error message rather than crashing later.
if [ ${BASH_VERSINFO[0]} -lt 4 ]; then
echo "Error: This script needs Bash 4.x to run." >&2
exit 1
fi
# Check whether sed is GNU or BSD sed, or rather, which parameter enables extended regex support. Note that GNU sed does
# have -E as an undocumented compatibility option on some systems.
if [ "$(echo "test" | sed -E 's/([st]+)$/xx\1/' 2>/dev/null)" == "texxst" ]; then
ESED="sed -E"
elif [ "$(echo "test" | sed -r 's/([st]+)$/xx\1/' 2>/dev/null)" == "texxst" ]; then
ESED="sed -r"
else
echo "Error: $(which sed) seems to lack extended regex support with -E or -r." >&2
exit 2
fi
# Store the useragents we're going to use to trick Google's servers into serving us the correct CSS file.
declare -A useragent
useragent[eot]='Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)'
useragent[woff]='Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0'
useragent[svg]='Mozilla/4.0 (iPad; CPU OS 4_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/4.1 Mobile/9A405 Safari/7534.48.3'
useragent[ttf]='Mozilla/5.0 (Windows NT 6.1) AppleWebKit/534.54.16 (KHTML, like Gecko) Version/5.1.4 Safari/534.54.16'
# Clear the output file
>"$css"
# Loop over the fonts, and download them one-by-one
for family in "${families[@]}"; do
echo -n "Downloading ${family}... "
printf "@font-face {\n" >>"$css"
# Extract name, Windows-safe filename, font style and font weight from the font family name
fontname=$(echo "$family" | awk -F : '{print $1}')
fontnameescaped=$(echo "$family" | $ESED 's/( |:)/_/g')
fontstyle=$(echo "$family" | awk -F : '{print $2}')
fontweight=$(echo "$fontstyle" | $ESED 's/italic$//g')
printf "\tfont-family: '%s';\n" "$fontname" >>"$css"
# $fontstyle could be bolditalic, bold, italic, normal, or nothing.
case "$fontstyle" in
*italic)
printf "\tfont-style: italic;\n" >>"$css"
;;
*)
printf "\tfont-style: normal;\n" >>"$css"
;;
esac
# Either bold, a number, or empty. If empty, default to "normal".
printf "\tfont-weight: %s;\n" "${fontweight:-normal}" >>"$css"
printf "\tsrc:\n" >>"$css"
printf "$url - $family \n"
# Determine the local names for the given fonts so we can use a locally-installed font if available.
local_name=$(curl -sf --get --data-urlencode "family=$family" --data-urlencode "subset=$lang" "$url" | grep -E "src:" | $ESED "s/^.*src: local\\('([^']+)'\\),.*$/\\1/g")
local_postscript_name=$(curl -sf --get --data-urlencode "family=$family" --data-urlencode "subset=$lang" "$url" | grep -E "src:" | $ESED "s/^.*, local\\('([^']+)'\\),.*$/\\1/g")
# Some fonts don't have a local PostScript name.
printf "\t\tlocal('%s'),\n" "$local_name" >>"$css"
if [ -n "$local_postscript_name" ]; then
printf "\t\tlocal('%s'),\n" "$local_postscript_name" >>"$css"
fi
# For each font format, download the font file and print the corresponding CSS statements.
for uakey in eot woff ttf svg; do
echo -n "$uakey "
# Download Google's CSS and throw some regex at it to find the font's URL
if [ "$uakey" != "svg" ]; then
pattern="http:\\/\\/[^\\)]+\\.$uakey"
else
pattern="http:\\/\\/[^\\)]+"
fi
file=$(curl -sf -A "${useragent[$uakey]}" --get --data-urlencode "family=$family" --data-urlencode "subset=$lang" "$url" | grep -Eo "$pattern" | sort -u)
printf "\t\t/* from %s */\n" "$file" >>"$css"
if [ "$uakey" == "svg" ]; then
# SVG fonts need the font after a hash symbol, so extract the correct name from Google's CSS
svgname=$(echo "$file" | $ESED 's/^[^#]+#(.*)$/\1/g')
fi
# Actually download the font file
curl -sfL "$file" -o "${fontnameescaped}.$uakey"
# Generate the CSS statements required to include the downloaded file.
case "$uakey" in
eot)
printf "\t\turl('%s?#iefix') format('embedded-opentype'),\n" "${fontnameescaped}.$uakey" >>"$css"
;;
woff)
printf "\t\turl('%s') format('woff'),\n" "${fontnameescaped}.$uakey" >>"$css"
;;
ttf)
printf "\t\turl('%s') format('truetype'),\n" "${fontnameescaped}.$uakey" >>"$css"
;;
svg)
printf "\t\turl('%s#%s') format('svg');\n" "${fontnameescaped}.${uakey}" "$svgname" >>"$css"
;;
esac
done
printf "}\n" >>"$css"
echo
done
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