go(report,main): add flag -printreport

main.go

@@ -4,6 +4,7 @@
 package main
 
 import (
+	"flag"
 	"log"
 	"sync"
 
@@ -16,6 +17,9 @@
 func main() {
 	log.Println("starting math-optim version", "'"+version+"'")
 
+	doPrint := flag.Bool("printreport", true, "print report.tex to console")
+	flag.Parse()
+
 	// atm we're only doing Random search and SHC
 	algoCount := 2
 
@@ -32,7 +36,7 @@ func main() {
 
 	report.SaveTexAllPics()
 	report.SaveTexAllTables()
-	report.SaveAndPrint()
+	report.SaveAndPrint(*doPrint)
 
 	log.Println("looks like we're done")
 	log.Println("run an equivalent of `pdflatex -clean -shell-escape -interaction=nonstopmode ./report.tex` to get a pdf")

report/report.go

@@ -80,7 +80,7 @@ func saveMetaSty() error {
 
 // SaveAndPrint emits the tex files necessary to compile the report in full
 // (report.tex, meta.sty) and prints the report.tex file to console.
-func SaveAndPrint() {
+func SaveAndPrint(doPrint bool) {
 	fname := "report.tex"
 
 	err := emitReportTex(fname)
@@ -93,15 +93,17 @@ func SaveAndPrint() {
 		log.Fatal(err)
 	}
 
-	fmt.Fprint(os.Stderr, "\n* printing the report...\n\n")
+	if doPrint {
+		fmt.Fprint(os.Stderr, "\n* printing the report...\n\n")
 
-	fh, err := os.Open(fname)
-	if err != nil {
-		log.Fatal(err)
-	}
+		fh, err := os.Open(fname)
+		if err != nil {
+			log.Fatal(err)
+		}
 
-	_, err = io.Copy(os.Stdout, fh)
-	if err != nil {
-		log.Fatal(err)
+		_, err = io.Copy(os.Stdout, fh)
+		if err != nil {
+			log.Fatal(err)
+		}
 	}
 }