Extract iTunesMetadata.plist from ipa file, read it and dump it.

show_ipa_metadata.sh

#!/usr/bin/env bash

TEMP_PLIST=/tmp/metadata.plist

for i in "$@"; do
  if unzip -p "$i" iTunesMetadata.plist >"$TEMP_PLIST"; then
    name=$(/usr/libexec/PlistBuddy -c 'Print :itemName' "$TEMP_PLIST")
    id=$(/usr/libexec/PlistBuddy -c 'Print :itemId' "$TEMP_PLIST")
    appleid=$(/usr/libexec/PlistBuddy -c 'Print :appleId' "$TEMP_PLIST" 2>/dev/null ||
              /usr/libexec/PlistBuddy -c 'Print :com.apple.iTunesStore.downloadInfo:accountInfo:AppleID' "$TEMP_PLIST" 2>/dev/null ||
              echo "unknown")
    echo "$name\t$id\t$appleid"
    rm "$TEMP_PLIST"
  fi
done