ref: 4cc778cd8649ea1180a7d4e2d3e13160082f2144
dir: /sys/src/cmd/dict/egfix/
#!/bin/rc
sed '
s/[ ]+$//
/ /!d
/, /{; h; s/,.*//; p; g; s/ .*, / /; }
' $1 |
sed '
/\(/{; h; s/\([^)]+\)//; p; g; s/[()]//g; }
' |
sed '
s/ +/ /
s/[ ]+$//
s/ +/ /g
'