Assertion: command's file | /r/HasProperty | based on date
Facets:
Source sentences:
text: Using PKZIP again, it employs `-t' to select files based on a date equal to, or newer than, the date typed, while `T' selects files that are older than that date.
text: Using PKZIP again, it employs `-t' to select files based on a date equal to, or newer than, the date typed, while `T' selects files that are older than that date.