63 lines
2.1 KiB
Bash
63 lines
2.1 KiB
Bash
#!/bin/bash
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tmp_links_file="/tmp/links.tmp"
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tmp_file_download="/tmp/download.tmp"
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nano "$tmp_links_file"
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read -p "Enter output directory: " outdir
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# manually created arrays for file types and extensions
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## notes: from twitter downloader mp4 files show as ISO?
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types_arr=('MPEG' 'ISO' 'JPEG' 'PNG' 'GIF' 'WebM' 'RIFF')
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exts_arr=('mp4' 'mp4' 'jpg' 'png' 'gif' 'webm' 'webp')
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# create the out dir if not extant
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if [ ! -d "$outdir" ]; then
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echo "Output directory does not exist: $outdir Creating"
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mkdir "$outdir"
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fi
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# read the input file and loop through it
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cat "$tmp_links_file" | \
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while read line; do
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# get default basename of downloaded file
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file_basename=$(basename "$line")
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echo "Downloading $line" # to $outdir/$file_basename"
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# download the file to a tmp
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curl -s -o "$tmp_file_download" "$line"
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# get the file type
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type=$(file "$tmp_file_download" | awk '{print $2}')
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# md5 hash the file for a deterministic file name
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namehash=$(md5sum "$tmp_file_download" | awk '{print $1}')
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# map the file type to the corresponding extension
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count=0
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# loop through types for patch with file type
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for item in "${types_arr[@]}"; do
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if [[ " ${types_arr[@]} " =~ " ${type} " ]]; then
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# if type matches
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if [[ "$item" == "$type" ]]; then
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# rename the downloaded file
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new_name="$outdir/$namehash.$(echo ${exts_arr[$count]})"
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echo -e "\tto $new_name"
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mv "$tmp_file_download" "$new_name"
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if [ $? -ne 0 ]; then
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echo -e "\nFailed to rename $tmp_file_download to $new_name\n\turl\n\t$line\n\ttype $type\n\tbase name: $file_basename\n"
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fi
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fi
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else
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echo -e "\n$file_basename not a supported format: $type $(file $tmp_file_download)!\n\turl: $line\n\ttype: $type\n\tbase name: $file_basename\n\tfile: $(file $tmp_file_download)\n"
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rm -f "$tmp_file_download"
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fi
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# increment the count regardless
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count=$((count + 1))
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done
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done
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# cleanup
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rm -f "$tmp_links_file" >/dev/null 2>&1 # suppress errors or output
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rm -f "$tmp_file_download" >/dev/null 2>&1 # suppress errors or output |