update download_weights.sh to suppress download failure

scripts/download_weights.sh

@@ -1,14 +1,23 @@
 #! /bin/sh
 # Usage: bash <repo>/esm/scripts/download_weights.sh /path/to/weights/
 # re run the command to continue downloading incomplete files.
-
+echo $0
 run_dir=$(readlink -f $(dirname $0)) ;
 
 if [[ "$(which aria2c)" == "" ]];then
   echo aria2c is required for downloading!
   exit 1
 fi
 
+for _sh_exec in /bin/sh bash zsh;do
+  # only bash and zsh are tested.
+  _sh_exec=$(which ${_sh_exec})
+  if [[ "$(${_sh_exec} --version)" =~ "bash" || "$(${_sh_exec} --version)" =~ "zsh" ]];then
+    echo $(which ${_sh_exec});
+    break
+  fi
+done
+
 model_pth=$1
 if [[ "$model_pth" == "" ]];then
   model_pth=$PWD
@@ -18,24 +27,34 @@ mkdir -p $model_pth/checkpoints
 
 pushd $model_pth/checkpoints
 cat $run_dir/../README.md |grep -e '^|' |grep -e 'fair-esm/models' |tr -d '|' | \
-  awk '{
-            # read urls started with https
-            split($0,arr,"https");
-            url="https"arr[2];
-            print url;
+  awk 'BEGIN{print "set -e"};
+  {
+      # read urls starts with https
+      split($0,arr,"https");
+      url="https"arr[2];
+
+      # remove blank spaces after url string
+      split(url,url_arr," ")
+      url=url_arr[1]
+
+      # guessing regression pt url
+      url_regression=url;
+      sub("models","regression",url_regression);
+      sub(".pt","-contact-regression.pt",url_regression);
+
+      # downloading weight
+      url_basename_idx=split(url,url_arr,"/")
+      url_basename=url_arr[url_basename_idx]
+      print "if [[ ! -f "url_basename" || -f "url_basename".aria2 ]];then echo Download not complete: "url_basename";aria2c -x 10 "url";else echo Download complete: "url_basename";fi"
 
-            # inspect regression pt url
-            url_regression=url;
-            sub("models","regression",url_regression);
-            sub(".pt","-contact-regression.pt",url_regression);
-            print url_regression;
+      # downloading regression, if not existing and through an error, we just ignore it.
+      url_regression_basename_idx=split(url_regression,url_arr,"/")
+      url_regression_basename=url_arr[url_regression_basename_idx]
+      print "if [[ ! -f "url_regression_basename" || -f "url_regression_basename".aria2 ]];then echo Download not complete: "url_regression_basename";aria2c -x 10 "url_regression" 2>/dev/null || echo Never mind. "url_regression_basename" may not exist. ;else echo Download complete: "url_regression_basename";fi"
 
-            # download weight
-            system("if [[ ! -f $(basename "url") || -f $(basename "url").aria2 ]];then echo Download not complete: $(basename "url");aria2c -x 10 "url";else echo Download complete: $(basename "url");fi")
+      }' |$_sh_exec
 
-            # download regression
-            system("if [[ ! -f $(basename "url_regression") || -f $(basename "url_regression").aria2 ]];then echo Download not complete: $(basename "url_regression");aria2c -x 10 "url_regression";else echo Download complete: $(basename "url_regression");fi")
 
-            }'
+echo "Your model directory is located at \`$(readlink -f ${model_pth})\`."
 
 popd