fs/accounting: add --stats-one-line flag for single line stats

docs/content/docs.md

@@ -681,6 +681,11 @@ default level of logging which is `NOTICE` the stats won't show - if
 you want them to then use `--stats-log-level NOTICE`.  See the [Logging
 section](#logging) for more info on log levels.
 
+### --stats-one-line ###
+
+When this is specified, rclone condenses the stats into a single line
+showing the most important stats only.
+
 ### --stats-unit=bits|bytes ###
 
 By default, data transfer rates will be printed in bytes/second.

fs/accounting/stats.go

@@ -173,6 +173,11 @@ func (s *StatsInfo) String() string {
 	if eta > 0 {
 		etaString = eta.String()
 	}
+	if !fs.Config.StatsOneLine {
+		_, _ = fmt.Fprintf(buf, "\nTransferred:   	")
+	}
+	xfrchkString := ""
+	if fs.Config.StatsOneLine {
 		xfrchk := []string{}
 		if totalTransfer > 0 && s.transferQueue > 0 {
 			xfrchk = append(xfrchk, fmt.Sprintf("xfr#%d/%d", s.transfers, totalTransfer))
@@ -180,35 +185,37 @@ func (s *StatsInfo) String() string {
 		if totalChecks > 0 && s.checkQueue > 0 {
 			xfrchk = append(xfrchk, fmt.Sprintf("chk#%d/%d", s.checks, totalChecks))
 		}
-	xfrchkString := ""
 		if len(xfrchk) > 0 {
 			xfrchkString = fmt.Sprintf(" (%s)", strings.Join(xfrchk, ", "))
 		}
-	// FIXME make a one line display too
+	}
-
+	_, _ = fmt.Fprintf(buf, "%10s / %s, %d%%, %s, ETA %s%s",
+		fs.SizeSuffix(s.bytes), fs.SizeSuffix(totalSize).Unit("Bytes"), percent(s.bytes, totalSize), fs.SizeSuffix(speed).Unit(strings.Title(fs.Config.DataRateUnit)+"/s"), etaString, xfrchkString)
+	if !fs.Config.StatsOneLine {
 		_, _ = fmt.Fprintf(buf, `
-Transferred:   %10s / %s, %d%%, %s, ETA %s%s
 Errors:        %10d
 Checks:        %10d / %d, %d%%
 Transferred:   %10d / %d, %d%%
 Elapsed time:  %10v
 `,
-		fs.SizeSuffix(s.bytes), fs.SizeSuffix(totalSize).Unit("Bytes"), percent(s.bytes, totalSize), fs.SizeSuffix(speed).Unit(strings.Title(fs.Config.DataRateUnit)+"/s"), etaString, xfrchkString,
 			s.errors,
 			s.checks, totalChecks, percent(s.checks, totalChecks),
 			s.transfers, totalTransfer, percent(s.transfers, totalTransfer),
 			dtRounded)
+	}
 
 	// checking and transferring have their own locking so unlock
 	// here to prevent deadlock on GetBytes
 	s.mu.RUnlock()
 
+	if !fs.Config.StatsOneLine {
 		if !s.checking.empty() {
 			_, _ = fmt.Fprintf(buf, "Checking:\n%s\n", s.checking)
 		}
 		if !s.transferring.empty() {
 			_, _ = fmt.Fprintf(buf, "Transferring:\n%s\n", s.transferring)
 		}
+	}
 	return buf.String()
 }
 

fs/config.go

@@ -82,6 +82,7 @@ type ConfigInfo struct {
 	UseServerModTime      bool
 	MaxTransfer           SizeSuffix
 	MaxBacklog            int
+	StatsOneLine          bool
 }
 
 // NewConfig creates a new config with everything set to the default

fs/config/configflags/configflags.go

@@ -84,6 +84,7 @@ func AddFlags(flagSet *pflag.FlagSet) {
 	flags.FVarP(flagSet, &fs.Config.Dump, "dump", "", "List of items to dump from: "+fs.DumpFlagsList)
 	flags.FVarP(flagSet, &fs.Config.MaxTransfer, "max-transfer", "", "Maximum size of data to transfer.")
 	flags.IntVarP(flagSet, &fs.Config.MaxBacklog, "max-backlog", "", fs.Config.MaxBacklog, "Maximum number of objects in sync or check backlog.")
+	flags.BoolVarP(flagSet, &fs.Config.StatsOneLine, "stats-one-line", "", fs.Config.StatsOneLine, "Make the stats fit on one line.")
 }
 
 // SetFlags converts any flags into config which weren't straight foward