diff --git a/transfer.sh b/transfer.sh
new file mode 100755
index 0000000..6d3116b
--- /dev/null
+++ b/transfer.sh
@@ -0,0 +1,382 @@
+#!/usr/bin/env bash
+
+function main() {
+  shopt -s nullglob # * returns nothing for empty directory
+
+  # ansi escaped codes for color output
+  local GREEN='\033[32m'
+  local YELLOW='\033[33m'
+  local BLUE='\033[34m'
+  local RED='\033[31m'
+  local RESET='\033[0m'
+  
+  # Files uploaded to serv-u
+  local SERVU_BASE="/mnt/os-transfer"
+  local IMPORT_DIR="$SERVU_BASE/space-landing/Import"
+  local EXPORT_DIR="$SERVU_BASE/space-landing/Export"
+  local LIN_DIR="/mnt/linux"
+  local WIN_DIR="/mnt/windows"
+
+  local SPACE_PROJECT_MAP="./space-project-map"
+  [[ -f "$SPACE_PROJECT_MAP" ]] || \
+  { 
+    logging::debug "Missing: $SPACE_PROJECT_MAP"
+    exit 1
+  }
+
+  local SPACE_DOMAINS_FILE="./space-domains.txt"
+  [[ -f "$SPACE_DOMAINS_FILE" ]] || \
+  { 
+    logging::debug "Missing: $SPACE_DOMAINS_FILE"
+    exit 1
+  }
+
+  local SPACE_EMAIL_FILE="/tmp/space-email"
+
+  local EMAIL_ARCHIVE="."
+  [[ -d "/opt/space-transfer/emails" ]] && {
+    local EMAIL_ARCHIVE="/opt/space-transfer/emails"
+  }
+
+  local LOG_DIR="."
+  [[ -d "/opt/space-transfer/log" ]] && {
+    local LOG_DIR="/opt/space-transfer/log"
+  }
+  local TODAY_FAILURES="$LOG_DIR/failure.log"
+  local TODAY_INGRESS="$LOG_DIR/ingress.log"
+  local TODAY_EGRESS="$LOG_DIR/egress.log"
+  
+  while [[ $# -gt 0 ]]; do
+    case "$1" in
+      -m|--email)
+        run_email=true
+        ;;
+      -p|--purge)
+        run_purge=true
+        ;;
+      -e|--export)
+        run_export=true
+        ;;
+      -i|--import)
+        run_import=true
+        ;;
+      -h|--help)
+        echo "Usage: script.sh [-m|--email] [-p|--purge] [-e|--export] [-i|--import]"
+        exit 0
+        ;;
+      -*)
+        echo "Unknown option: $1" >&2
+        exit 1
+        ;;
+      *)
+        echo "Ignoring unexpected argument: $1" >&2
+        ;;
+    esac
+    shift
+  done
+
+  # Execute actions in desired order
+  [[ $run_import ]] && transfer::import
+  [[ $run_export ]] && transfer::export
+  [[ $run_purge  ]] && purge_files
+  [[ $run_email  ]] && email
+}
+
+function transfer::import() {
+  echo -e "${BLUE}Importing Files...${RESET}"
+
+  for filepath in "$IMPORT_DIR"/*; do
+    [[ -f "$filepath" ]] || continue # Regular file
+    [[ -L "$filepath" ]] && continue # Skip Symlinks
+    [[ -d "$filepath" ]] && continue # Skip Directory
+
+    local file=${filepath##*/} # strip directories from path
+
+    # ensure file has correct format
+    if [[ ! "$file" =~ ^eidf[a-zA-Z0-9]{2,5}-[a-zA-Z0-9]{3,8}-.+$ ]]; then
+      logging::failure "[IMPORT] $file — Filename format invalid"
+      continue
+    fi
+
+    # Ensure filename matches expected format
+    if [[ ! "$file" =~ ^eidf[a-zA-Z0-9]{2,5}-[a-zA-Z0-9]{3,8}-.+ ]]; then
+      logging::failure "[IMPORT] $file — Filename format invalid"
+      continue
+    fi
+
+
+    # example file: eidf123-abc01-file.csv
+    local project="${file%%-*}"             # eidf123
+    local rest="${file#*-}"                 # abc01-file.csv
+    local study="${rest%%-*}"               # abc01
+    local filename="${rest#*-}"             # file.csv
+
+    # fail if any variable are empty
+    if [[ -z "$project" || -z "$study" || -z "$filename" ]]; then
+      logging::failure "[IMPORT] $file — Filename format invalid"
+      continue
+    fi
+
+    #echo "File '$filename' in project $project for study $study"
+
+    local pattern="/mnt/*/$project*"
+    local matching_projects
+    mapfile -t matching_projects < <(compgen -G "$pattern")
+
+    case ${#matching_projects[@]} in
+      0)
+        logging::failure "[IMPORT] $file — $project does not exist"
+        continue
+        ;;
+      1)
+        local project_mount="${matching_projects[0]}"
+        ;;
+      *)
+        logging::failure "[IMPORT] $file — $project exists in multiple locations"
+        continue
+        ;;
+    esac
+
+    check_mtitme "import" "$filepath" || continue
+
+    local sha256
+    read -r sha256 _ < <(sha256sum "$filepath") 
+
+    # Extracts Windows/Linux from $project_mount and sets the 'environment' vairable
+    # This changes the moving path depending if window or Linux
+    # /mnt/windows/eidfsp02-sgstd
+    local environment="${project_mount#/mnt/}"  # windows/eidfsp02-sgstd
+    local environment="${environment%%/*}"      # windows
+
+    if [[ $environment == "windows" ]]; then
+      # Check destination directory exists
+      [[ -d "$project_mount/Import/$study" ]] || { 
+        logging::failure "[IMPORT] $file — $study project does not exist"
+        continue
+      }
+
+      logging::move "[IMPORT] $file ===> $project_mount/Import/$study"
+      mv "$filepath" "$project_mount/Import/$study"
+      logging::transfer "import" "sha256:$sha256 — $file" "$TODAY_INGRESS"
+
+    elif [[ $environment == "linux" ]]; then
+      # Check destination directory exists
+      [[ -d "$project_mount/Import/" ]] || { 
+        logging::failure "[IMPORT] $file — $project does not exist"
+        continue
+      }
+
+      logging::move "[IMPORT] $file ==MOVE==> $project_mount/Import/"
+      mv "$filepath" "$project_mount/Import/"
+      logging::ingress "sha256:$sha256 — $file"
+
+    else
+      logging::failure "[IMPORT] $file — Environment could not be identified"
+    fi
+  done
+}
+
+function transfer::export() {
+  echo -e "${BLUE}Exporting Files...${RESET}"
+
+  # LINUX EXPORT
+
+  for filepath in "$LIN_DIR"/*/Export/*; do
+    [[ -f "$filepath" ]] || continue # Regular file
+    [[ -L "$filepath" ]] && continue # Skip Symlinks
+    [[ -d "$filepath" ]] && continue # Skip Directory
+
+    local file=${filepath##*/}
+
+    local project="${filepath#/mnt/linux/}"
+    local project="${project%%/Export/*}"
+
+    local zone
+    local lookup_key="$project"
+    while read -r key value; do
+      if [[ "$key" == "$lookup_key" ]]; then
+        zone="$value"
+        break
+      fi
+    done < "$SPACE_PROJECT_MAP"
+
+    [[ -z "$zone" ]] && {
+      logging::failure "[EXPORT] $filepath — $project has not been mapped to standard or protected"
+      continue
+    }
+
+    check_mtitme "export" "$filepath" || continue
+
+    new_filename="$zone-$project-$file"
+    logging::debug "[EXPORT] $filepath ==RENAME==> $new_filename"
+
+    read -r sha256 _ < <(sha256sum "$filepath")
+    logging::transfer "export" "sha256:$sha256 — $file" "$TODAY_EGRESS"
+
+    logging::move "[EXPORT] $file ==MOVE==> $EXPORT_DIR/$new_filename"
+    mv "$filepath" "$EXPORT_DIR/$new_filename"
+    chgrp "$project" "$EXPORT_DIR/$new_filename"
+    chmod 664 "$EXPORT_DIR/$new_filename"
+  done
+
+  # WINDOWS EXPORT
+
+  readarray -t SPACE_WINDOWS_DOMAINS < "$SPACE_DOMAINS_FILE"
+
+  for filepath in "$WIN_DIR"/*/Export/*/*; do
+    [[ -f "$filepath" ]] || continue # Regular file
+    [[ -L "$filepath" ]] && continue # Skip Symlinks
+    [[ -d "$filepath" ]] && continue # Skip Directory
+    local file=${filepath##*/}
+
+    local base="${filepath#/mnt/windows/}"
+    local study="${base#*/Export/}"
+    local study="${study%%/"$file"}"
+    local project="${base%%/Export/*}"
+    # local eidf_project="${project%%-*}"
+
+    # Check that windows environment is in domain list
+    [[ ! " ${SPACE_WINDOWS_DOMAINS[*]} " =~ (^|[[:space:]])$project([[:space:]]|$) ]] && {
+      logging::failure "[EXPORT] $project is not in windows domain list"
+    }
+
+    check_mtitme "export" "$filepath" || continue
+
+    local zone
+    local lookup_key="$project"
+    while read -r key value; do
+      if [[ "$key" == "$lookup_key" ]]; then
+        zone="$value"
+        break
+      fi
+    done < "$SPACE_PROJECT_MAP"
+
+    [[ -z "$zone" ]] && {
+      logging::failure "[EXPORT] $filepath — $project has not been mapped to standard or protected"
+      continue
+    }
+
+    new_filename="$zone-$project-$file"
+    logging::debug "[EXPORT] $filepath ==RENAME==> $new_filename"
+
+    read -r sha256 _ < <(sha256sum "$filepath")
+    logging::transfer "export" "sha256:$sha256 — $file" "$TODAY_EGRESS"
+
+    if [[ "$file" == mft-* ]]; then
+      logging::move "[EXPORT] $filepath ==MOVE==> /mnt/os-transfer/windows-mft/$project/$study/Export/$new_filename"
+      mv "$filepath" "$SERVU_BASE/windows-mft/$project/$study/Export/$new_filename" 
+    else
+      logging::move "[EXPORT] $filepath ==MOVE==> $EXPORT_DIR/$new_filename"
+      mv "$filepath" "$EXPORT_DIR/$new_filename"
+      chmod 774 "$EXPORT_DIR/$new_filename"
+    fi
+  done
+}
+
+function logging::transfer() {
+  local action=$1
+  local log_line=$2
+  local log_file=$3
+
+  # Create log file if missing
+  [[ -f "$log_file" ]] || : > "$log_file" 
+
+  # Always print to terminal
+  echo -e "${GREEN}[${action^^}] ${log_line}${RESET}"
+
+  # Append to file only if the exact line isn't already logged
+  if ! grep -qxF "$log_line" "$log_file"; then
+    echo "$log_line" >> "$log_file"
+  fi
+}
+
+function logging::failure() {
+  local log_line="$1"
+
+  # Create log file if missing
+  [[ -f "$TODAY_FAILURES" ]] || : > "$TODAY_FAILURES" 
+
+  # Always print to terminal
+  echo -e "${RED}${log_line}${RESET}"
+
+  # Append to file only if the exact line isn't already logged
+  if ! grep -qxF "$log_line" "$TODAY_FAILURES"; then
+    echo "$log_line" >> "$TODAY_FAILURES"
+  fi
+}
+
+function logging::move() { echo -e "${YELLOW}$1${RESET}"; }
+function logging::debug() { echo -e "${BLUE}$1${RESET}"; }
+
+function check_mtitme() {
+    local action=$1
+    local filepath=$2
+    local threshold=3
+    if find "$filepath" -mmin -"$threshold" | grep -q .; then
+      logging::debug "[${action^^}] $file — file has been modified in last $(( threshold * 60 )) seconds"
+      return 1
+    fi
+}
+
+function purge_files() {
+  logging::debug "[PRUGE] Removing files older than two weeks"
+  for filepath in "$IMPORT_DIR"/*; do
+    #local file=${filepath##*/}
+    if find "$filepath" -mtime +14 | grep -q .; then
+      logging::move "[PURGE] Deleting $filepath"
+      rm "$filepath"
+    fi
+  done
+}
+
+function email() {
+  local SUBJECT="Space Openstack File Transfer"
+  local MAIL_FROM="os-transfer@adbraun.lol"
+  local RCPT_TO="adam@adbraun.lol"
+
+  : > "$SPACE_EMAIL_FILE"
+
+  # Build email
+  {
+    echo "Subject: $SUBJECT"
+    echo "From: $MAIL_FROM"
+    echo
+
+    if [[ ! -s "$TODAY_EGRESS" ]] && [[ ! -s "$TODAY_INGRESS" ]]; then
+      echo "No files transferred within the last day."
+      echo
+    else
+      if [[ -s "$TODAY_EGRESS" ]]; then
+        echo "Files exported in the last day"
+        echo "---------------------------------"
+        cat "$TODAY_EGRESS"
+        echo
+      else echo "No files exported in the last day"; echo
+      fi
+
+      if [[ -s "$TODAY_INGRESS" ]]; then
+        echo "Files Imported in the last day"
+        echo "---------------------------------"
+        cat "$TODAY_INGRESS"
+        echo
+      else echo "No files imported in the last day"; echo
+      fi
+    fi
+
+    if [[ -s "$TODAY_FAILURES" ]]; then
+      echo "File Transfer Failures in the last day"
+      echo "---------------------------------"
+      cat "$TODAY_FAILURES"
+      echo
+    fi
+  } >> "$SPACE_EMAIL_FILE"
+
+  sendmail "$RCPT_TO" < "$SPACE_EMAIL_FILE"
+
+  : > "$TODAY_INGRESS"
+  : > "$TODAY_EGRESS"
+  : > "$TODAY_FAILURES"
+  mv "$SPACE_EMAIL_FILE" "$EMAIL_ARCHIVE/$(date +%Y-%m-%d)-space-email"
+}
+
+main "$@"
\ No newline at end of file