6.2 Search by Full Text and Replace File Description
Additional function for search results on Google Drive
Enter any text, file may contain, for search....
Enter New Description, for replacement
Search and Replace Description
✓  test only one file
Search files by Full Tex 
Replace old Description with New
This function allows user to search files on Google Drive by Full Text and automatically replace  files descriptions.
Search does not work for very new files and need time before Google Drive indexes them

for replace all  files descriptions  uncheck " test only one file ".