contrib/rss_downloader: use `ProcessDuplex::write_and_read`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/contrib/rss_downloader/src/rss_downloader.nit b/contrib/rss_downloader/src/rss_downloader.nit
index 83e47c2..b5c884b 100644 (file)
--- a/contrib/rss_downloader/src/rss_downloader.nit
+++ b/contrib/rss_downloader/src/rss_downloader.nit
@@ -289,12 +289,8 @@ redef class Text
        fun gunzip: String
        do
                var proc = new ProcessDuplex("gunzip", new Array[String]...)
-               proc.write self
-               proc.stream_out.close
-               var res = proc.read_all
-               proc.stream_in.close
-               proc.wait
-               assert proc.status == 0
+               var res = proc.write_and_read(self)
+               assert proc.status == 0 else print_error "gunzip failed: {proc.last_error or else "Unknown"}"
                return res
        end
 end