Exit training script if run command failed; fixes #2005

tesseract-ocr · Oct 20, 2018 · 4869406 · 4869406
1 parent 5a4288f
commit 4869406
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diff --git a/src/training/tesstrain.sh b/src/training/tesstrain.sh
@@ -47,7 +47,7 @@ echo -e "USAGE: tesstrain.sh
 }
 
 source "$(dirname $0)/tesstrain_utils.sh"
-if [[ "$1" == "--help" || "$1" == "-h" ]]; then
+if [[ $# -eq 0 || "$1" == "--help" || "$1" == "-h" ]]; then
     display_usage
     exit 0
 fi

diff --git a/src/training/tesstrain_utils.sh b/src/training/tesstrain_utils.sh
@@ -16,6 +16,13 @@
 #
 # USAGE: source tesstrain_utils.sh
 
+if [ -n "$BASH_VERSION" ];then
+  set -u  # comment in case of "unbound variable" error or fix the code
+  set -eo pipefail;
+else
+   echo "Warning: you aren't running script in bash - expect problems..."
+ fi
+
 UNAME=$(uname -s | tr 'A-Z' 'a-z')
 LANG_CODE="ENG"
 TIMESTAMP=`date +%Y-%m-%d`