如何在-exec參數中使用重定向

如何在-exec參數中使用重定向 Clear log file content without impacting service that is running (in batch): find . -name "*.log" -exec bash -c ">{}" \; Subsitute file content in batch: find -name "*.xml" -exec bash -c "sed -e 's/aaa/bbb/' {} > {}" \;