download file list coming along nicely :3

.gitignore

@@ -1,2 +1,3 @@
 webhook.txt
 tag.txt
+*.tmp

customscripts/download_file_list

@@ -1,16 +1,53 @@
 #!/bin/bash
-if [ -z $1 -o ! -f "$2" ]; then
+# manually created arrays for file types and extensions
+types_arr=('MPEG' 'JPEG' 'PNG' 'GIF' 'WebM' 'RIFF')
+exts_arr=('mp4' 'jpg' 'png' 'gif' 'webm' 'webp')
+tmp_file="$1/download.tmp"
+
+# check for existance of $1 or if $2 is a file
+if [ -z $1 ] || [ ! -f "$2" ]; then
   echo "Usage: $0 <output_directory> <file_list>"
   echo "ExaMPLE: download_file_list Downloads to_download.txt"
   exit 1
 fi
 
+# create the out dir if not extant
 if [ ! -d "$1" ]; then
   echo "Output directory does not exist: $1 Creating"
   mkdir "$1"
 fi
 
+# read the input file and loop through it
 cat "$2" | \
 	while read line; do
-		echo "curl -o \"$1/$(basename $line)\" \"$line\""
+    # download the file to a tmp
+    echo "Downloading $line to $1"
+		curl -s -o "$tmp_file" "$line"
+
+    # get the file type
+    type=$(file "$tmp_file" | awk '{print $2}')
+
+    # md5 hash the file for a deterministic file name
+    namehash=$(md5sum "$tmp_file" | awk '{print $1}')
+
+    # map the file type to the corresponding extension
+    count=0
+    # loop through types for patch with file type
+    for item in "${types_arr[@]}"; do
+      if [[ " ${types_arr[@]} " =~ " ${type} " ]]; then
+        # if type matches
+        if [[ "$item" == "$type" ]]; then
+          # rename the downloaded file
+          new_name="$1/$namehash.$(echo ${exts_arr[$count]})"
+          echo "Renaming $tmp_file to $new_name"
+          mv "$tmp_file" "$new_name"
+        fi
+      else
+        echo "$(basename $line) not a supported format: $type! Deleting"
+        rm -f "$tmp_file"
+      fi
+
+      # increment the count regardless
+      count=$((count + 1))
+    done
   done