@@ -119,7 +119,7 @@ func main() {
119119 dumpPrefs := * dumpPrefsFlag
120120
121121 if compile && dumpPrefs {
122- fmt .Println ( "You can either specify --compile or --dump-prefs, not both" )
122+ fmt .Fprintln ( os . Stderr , "You can either specify --compile or --dump-prefs, not both" )
123123 defer os .Exit (1 )
124124 return
125125 }
@@ -138,7 +138,7 @@ func main() {
138138 }
139139
140140 if len (hardware ) == 0 {
141- fmt .Println ( "Parameter 'hardware' is mandatory" )
141+ fmt .Fprintln ( os . Stderr , "Parameter 'hardware' is mandatory" )
142142 flag .Usage ()
143143 defer os .Exit (1 )
144144 return
@@ -153,7 +153,7 @@ func main() {
153153 }
154154
155155 if len (tools ) == 0 {
156- fmt .Println ( "Parameter 'tools' is mandatory" )
156+ fmt .Fprintln ( os . Stderr , "Parameter 'tools' is mandatory" )
157157 flag .Usage ()
158158 defer os .Exit (1 )
159159 return
@@ -184,7 +184,7 @@ func main() {
184184 }
185185
186186 if fqbn == "" {
187- fmt .Println ( "Parameter 'fqbn' is mandatory" )
187+ fmt .Fprintln ( os . Stderr , "Parameter 'fqbn' is mandatory" )
188188 flag .Usage ()
189189 defer os .Exit (1 )
190190 return
@@ -201,7 +201,7 @@ func main() {
201201 if buildPath != "" {
202202 _ , err := os .Stat (buildPath )
203203 if err != nil {
204- fmt .Println ( err )
204+ fmt .Fprintln ( os . Stderr , err )
205205 defer os .Exit (1 )
206206 return
207207 }
@@ -216,7 +216,7 @@ func main() {
216216 context [constants .CTX_BUILD_PATH ] = buildPath
217217
218218 if compile && flag .NArg () == 0 {
219- fmt .Println ( "Last parameter must be the sketch to compile" )
219+ fmt .Fprintln ( os . Stderr , "Last parameter must be the sketch to compile" )
220220 flag .Usage ()
221221 defer os .Exit (1 )
222222 return
@@ -264,10 +264,10 @@ func main() {
264264 if err != nil {
265265 err = utils .WrapError (err )
266266
267- fmt .Println ( err )
267+ fmt .Fprintln ( os . Stderr , err )
268268
269269 if utils .DebugLevel (context ) >= 10 {
270- fmt .Println ( err .(* errors.Error ).ErrorStack ())
270+ fmt .Fprintln ( os . Stderr , err .(* errors.Error ).ErrorStack ())
271271 }
272272
273273 exitCode = toExitCode (err )
@@ -299,5 +299,5 @@ func toSliceOfUnquoted(value slice) ([]string, error) {
299299
300300func printCompleteError (err error ) {
301301 err = utils .WrapError (err )
302- fmt .Println ( err .(* errors.Error ).ErrorStack ())
302+ fmt .Fprintln ( os . Stderr , err .(* errors.Error ).ErrorStack ())
303303}
0 commit comments