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#!/bin/bash
# Copyright 2018 Source Foundry Authors
# MIT License
# compare fonts with ttx
ttdiff () {
if [ "$#" -lt 2 ]
then
echo "Usage: ttdiff FONT1.ttf FONT2.ttf [tables ...]"
return 1
fi
first="$1"
if [ ! -f "$first" ]; then
echo "File $first not found"
return 1
fi
second="$2"
if [ ! -f "$second" ]; then
echo "File $second not found"
return 1
fi
tables=""
for i in ${@:3}
do
if [ ! -z "$i" ]
then
table="-t "
if [ ${#i} -eq 3 ]; then
# add trailing space to pad tag to four chars
table+="'"$i" '"
else
table+=$i
fi
tables+="$table "
fi
done
cmd1="ttx -q -o - $tables \"$first\" 2>/dev/null"
cmd2="ttx -q -o - $tables \"$second\" 2>/dev/null"
echo $cmd1
echo $cmd2
# colorize output if colordiff is installed
if `command -v colordiff >/dev/null 2>&1`; then
diff -u <(eval $cmd1) <(eval $cmd2) | colordiff | less -R
else
diff -u <(eval $cmd1) <(eval $cmd2) | less -R
fi
}
ttdiff "$@"
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