u_dateR
creates a data frame of paths, folder names and dates from the
contents of a folder.
u_dateR(path, archive, pat = ".jpeg")
path | Character string filepath to the path/row of satellite imagery to check. Can also be a folder of jpegs or some other date named files. |
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archive | A logical scalar. TRUE will assume path is indicating RSSA internal USGS archive. FALSE can be used when querying a QA jpeg folder or the like. |
pat | Pattern to search for in a non-USGS imagery archive. Defaults to ".jpeg". |
For a USGS imagery archive the query will return a data frame with:
path - a column of character string file paths
folds - a column of character string folder names
dates - a column of date class dates
For a non-USGS archive the query will return a data frame with:
path - a column of character string file paths
folds - a column of character string folder names
This output of this function will hold paths, folder names and dates that will
be used for other functions such as jpegR
and extractR
.
# NOT RUN { u_dateR(path = "W:/usgs/115078", archive = TRUE) u_dateR(path = "Z:/DEC/working/QA...", archive = FALSE, pat = ".jpeg") # }