blob: fe69304ef9c12c498188681099323688aece5624 (
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#!/bin/sh
usage() {
cat <<EOF
Usage: $( basename $0 ) [diff-opts] [-- listbas-opts] file1.bas file2.bas
Diff two tokenized Atari BASIC programs, using listbas(1) and diff(1).
[diff-opts] is passed through as-is to diff.
[listbas-opts] is passed through as-is to listbas.
EOF
exit "$1"
}
if [ "$@" = "-h" -o "$@" = "--help" ]; then
usage 0
fi
for i in "$@"; do
if [ -f "$i" ]; then
if [ "$file1" = "" ]; then
file1="$( realpath $i )"
elif [ "$file2" = "" ]; then
file2="$( realpath $i )"
else
usage 1
fi
elif [ "$i" = "--" ]; then
opts="listbasopts"
elif [ "$opts" = "listbasopts" ]; then
listbasopts="$diffopts $i"
else
diffopts="$listbasopts $i"
fi
done
## cat <<EOF
## file1: $file1
## file2: $file2
## listbasopts: $listbasopts
## diffopts: $diffopts
## EOF
## exit 0
dir="$( mktemp -d )"
[ -d "$dir" ] || exit 1
cd "$dir" || exit 1
listbas $listbasopts "$file1" > 1
listbas $listbasopts "$file2" > 2
diff $diffopts 1 2
cd
rm -rf "$dir"
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