1 #!/bin/rc 2 3 sed ' 4 s/[ ]+$// 5 / /!d 6 /, /{; h; s/,.*//; p; g; s/ .*, / /; } 7 ' $1 | 8 sed ' 9 /\(/{; h; s/\([^)]+\)//; p; g; s/[()]//g; } 10 ' | 11 sed ' 12 s/ +/ / 13 s/[ ]+$// 14 s/ +/ /g 15 '