--- a
+++ b/src/llama-main/download.sh
@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# This software may be used and distributed according to the terms of the Llama 2 Community License Agreement.
+
+set -e
+
+read -p "Enter the URL from email: " PRESIGNED_URL
+echo ""
+read -p "Enter the list of models to download without spaces (7B,13B,70B,7B-chat,13B-chat,70B-chat), or press Enter for all: " MODEL_SIZE
+TARGET_FOLDER="."             # where all files should end up
+mkdir -p ${TARGET_FOLDER}
+
+if [[ $MODEL_SIZE == "" ]]; then
+    MODEL_SIZE="7B,13B,70B,7B-chat,13B-chat,70B-chat"
+fi
+
+echo "Downloading LICENSE and Acceptable Usage Policy"
+wget --continue ${PRESIGNED_URL/'*'/"LICENSE"} -O ${TARGET_FOLDER}"/LICENSE"
+wget --continue ${PRESIGNED_URL/'*'/"USE_POLICY.md"} -O ${TARGET_FOLDER}"/USE_POLICY.md"
+
+echo "Downloading tokenizer"
+wget --continue ${PRESIGNED_URL/'*'/"tokenizer.model"} -O ${TARGET_FOLDER}"/tokenizer.model"
+wget --continue ${PRESIGNED_URL/'*'/"tokenizer_checklist.chk"} -O ${TARGET_FOLDER}"/tokenizer_checklist.chk"
+CPU_ARCH=$(uname -m)
+  if [ "$CPU_ARCH" = "arm64" ]; then
+    (cd ${TARGET_FOLDER} && md5 tokenizer_checklist.chk)
+  else
+    (cd ${TARGET_FOLDER} && md5sum -c tokenizer_checklist.chk)
+  fi
+
+for m in ${MODEL_SIZE//,/ }
+do
+    if [[ $m == "7B" ]]; then
+        SHARD=0
+        MODEL_PATH="llama-2-7b"
+    elif [[ $m == "7B-chat" ]]; then
+        SHARD=0
+        MODEL_PATH="llama-2-7b-chat"
+    elif [[ $m == "13B" ]]; then
+        SHARD=1
+        MODEL_PATH="llama-2-13b"
+    elif [[ $m == "13B-chat" ]]; then
+        SHARD=1
+        MODEL_PATH="llama-2-13b-chat"
+    elif [[ $m == "70B" ]]; then
+        SHARD=7
+        MODEL_PATH="llama-2-70b"
+    elif [[ $m == "70B-chat" ]]; then
+        SHARD=7
+        MODEL_PATH="llama-2-70b-chat"
+    fi
+
+    echo "Downloading ${MODEL_PATH}"
+    mkdir -p ${TARGET_FOLDER}"/${MODEL_PATH}"
+
+    for s in $(seq -f "0%g" 0 ${SHARD})
+    do
+        wget --continue ${PRESIGNED_URL/'*'/"${MODEL_PATH}/consolidated.${s}.pth"} -O ${TARGET_FOLDER}"/${MODEL_PATH}/consolidated.${s}.pth"
+    done
+
+    wget --continue ${PRESIGNED_URL/'*'/"${MODEL_PATH}/params.json"} -O ${TARGET_FOLDER}"/${MODEL_PATH}/params.json"
+    wget --continue ${PRESIGNED_URL/'*'/"${MODEL_PATH}/checklist.chk"} -O ${TARGET_FOLDER}"/${MODEL_PATH}/checklist.chk"
+    echo "Checking checksums"
+    if [ "$CPU_ARCH" = "arm64" ]; then
+      (cd ${TARGET_FOLDER}"/${MODEL_PATH}" && md5 checklist.chk)
+    else
+      (cd ${TARGET_FOLDER}"/${MODEL_PATH}" && md5sum -c checklist.chk)
+    fi
+done
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