将文本处理命令的结果转发到.ods文件中的某些位置

I am looking for an efficient way to import the data from a bunch of text files into an .ods file. I have no problem in processing the text files with commands like grep and sed, however, I do not know if it is possible to redirect the results of these commands into a certain location in an ods file.I am looking for an efficient way to import the