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-rw-r--r--lib/hocr/hocr.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/hocr/hocr.go b/lib/hocr/hocr.go
index bfc6a98..dcd0494 100644
--- a/lib/hocr/hocr.go
+++ b/lib/hocr/hocr.go
@@ -2,6 +2,7 @@ package hocr
import (
"encoding/xml"
+ "errors"
"io/ioutil"
"regexp"
"strconv"
@@ -121,5 +122,8 @@ func GetAvgConf(hocrfn string) (float64, error) {
num++
}
}
+ if num == 0 {
+ return 0, errors.New("No words found")
+ }
return total / num, nil
}