Update run_ci.sh

Author: djeada

scripts/run_ci.sh

@@ -2,14 +2,18 @@
 
 set -euo pipefail
 
-PROJECT_DIR="$(dirname $(readlink -f ${BASH_SOURCE[0]}))/.."
+PROJECT_DIR="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")/.."
 
-MD_FILES=$(find ${PROJECT_DIR} -name "*.md" -not -path "${PROJECT_DIR}/tests/*")
-
-for file in ${MD_FILES[@]}; do
-   python ${PROJECT_DIR}/tests/syntax_lint.py ${file} > /dev/null
+# Use the `-print0` option to handle spaces safely, and while-read loop:
+find "${PROJECT_DIR}" \
+  -name "*.md" \
+  -not -path "${PROJECT_DIR}/tests/*" \
+  -print0 |
+while IFS= read -r -d '' file
+do
+  python "${PROJECT_DIR}/tests/syntax_lint.py" "${file}" > /dev/null
 done
 
 echo "- Syntax lint tests on MD files passed successfully"
 
-flake8 --max-line-length=100 . && echo "- PEP8 Passed"
+flake8 --max-line-length=100 . && echo "- PEP8 Passed"