package require TclCurl set curlHandle [curl::init] puts "First it goes into error.txt" $curlHandle configure -url 127.0.0.1/~andres/cosa&co.tar -stderr error.txt \ -noprogress 0 -file cosa.tar catch {$curlHandle perform} puts "And then to stderr:" $curlHandle configure -stderr "" catch {$curlHandle perform} $curlHandle cleanup