Rebol Programming/request-download
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USAGE:
[edit | edit source]REQUEST-DOWNLOAD url /to local-file
DESCRIPTION:
[edit | edit source]Request a file download from the net. Show progress. Return none on error.
REQUEST-DOWNLOAD is a function value.
ARGUMENTS
[edit | edit source]- url -- (Type: url)
REFINEMENTS
[edit | edit source]- /to -- Specify local file target.
- local-file -- (Type: file none)
SOURCE CODE
[edit | edit source]request-download: func [ {Request a file download from the net. Show progress. Return none on error.} url [url!] /to "Specify local file target." local-file [file! none!] /local prog lo stop data stat event-port event ][ view/new center-face lo: layout [ backeffect [gradient 1x1 water gray] space 10x8 vh2 300 gold "Downloading File:" vtext bold center 300 to-string url prog: progress 300 across btn 90 "Cancel" [stop: true] stat: text 160x24 middle ] stop: false data: read-thru/to/progress/update url local-file func [total bytes] [ prog/data: bytes / (max 1 total) stat/text: reform [bytes "bytes"] show [prog stat] not stop ] unview/only lo if not stop [data] ]