HIPAA-Compliant Patient Record Anonymization Pipeline

Create a robust Bash shell script that automatically sanitizes medical record files by removing personally identifiable information (PII) using sed and awk. The script must: 1) Recursively scan medical record directories, 2) Replace patient names with randomized identifiers, 3) Mask social security numbers and birthdates, 4) Generate detailed anonymization logs with timestamp and file references, 5) Ensure HIPAA compliance through secure file handling. Include error handling for different file formats (PDF, TXT, CSV) and implement secure deletion of original files.