- # Not just using $4 for val - because val might contain a character
- # identical to FS
- len_line = length($0)
- len_head = length($1 FS $2 FS $3 FS)
- len_val = len_line - len_head
- val = substr($0, len_head + 1, len_val)
- system("xsetroot -name \"" val "\"")