Take an Instagram data export, use metadata from media.json file, rename pictures and add EXIF/IPTC date and title, so they're ready to import in a photo management application like iPhoto

instagram-media-rename.bash

#!/bin/bash

if [[ ! -s "media.json" ]]; then
  echo "*** ERROR: No media.json file in current directory"
  exit 1
fi

mkdir result

echo -n "Processing "

for row in $(cat media.json | jq -r '.[][] | @base64'); do
  _jq() {
    echo ${row} | base64 --decode | jq -r ${1}
  }
  P_PATH=$(_jq '.path')
  P_TAKEN_AT=$(_jq '.taken_at')
  P_CAPTION=$(_jq '.caption')
  P_FILENAME=$(date -u -j -f "%Y-%m-%dT%H:%M:%S+00:00" "${P_TAKEN_AT}" +"%Y-%m-%d-%H%M%S")
  P_EXT=`echo "$P_PATH" | cut -d'.' -f2`
  exiftool -q \
    -AllDates="${P_TAKEN_AT}" \
    -SpecialInstructions= \
    -iptc:Caption-Abstract="${P_CAPTION}" \
    -iptc:Keywords="Instagram" \
    -iptc:ObjectName="${P_CAPTION}" \
    -iptc:OriginatingProgram='Instagram' \
    -iptc:codedcharacterset=utf8 \
    -o "result/${P_FILENAME}.${P_EXT}" \
    ${P_PATH}
  if [ $? -ne 0 ]; then
    echo "  - ERROR in result/${P_FILENAME}.${P_EXT} (from ${P_PATH})\n"
  else
    echo -n "."
  fi
done