Stop if running low on disk space

[picsort] / slurp-pics

#!/usr/bin/env bash

LEGACY='-oHostKeyAlgorithms=+ssh-dss'
sftp=( sftp -v -P 19362 -i .slurp-key -oConnectTimeout=4 $LEGACY )

seendir="slurp-seen"
while read host path;do
  outdir="slurp-$host-${path//\//,}"
  {
    mkdir -p "$outdir" "$seendir/$outdir"
    echo "cd $path"
    "${sftp[@]}" "slurp@$host" <<< "cd $path"$'\n'"ls -1" |
      sed 1,2d |
      while read filename;do
        output_filename="$outdir/${filename/jpg/jpeg}"
        if [[ -e "$output_filename" || -e "$seendir/$output_filename" ]];then
          echo "skipping $filename" >&2
        else
          echo "getting $filename" >&2
          echo "get -p $filename $output_filename"
        fi
      done
   } | "${sftp[@]}" "slurp@$host"
   for f in "$outdir"/*;do
     touch "$seendir/$f"
   done
   rename-to-date "$outdir"/*
done < .slurp-hosts