name2hash.sh

#!/usr/bin/env bash

SAMPLESDIR="$1"
TMPFILE="/tmp/sha256sum"
EXT="sample"
MOVE=false

sha256sum "$SAMPLESDIR"/* >"$TMPFILE"
while read line; do
  SHA256=$(echo $line | tr -s " " | cut -d" " -f1)
  FILENAME=$(echo $line | tr -s " " | cut -d" " -f2)
  if [ "$MOVE" == "true" ]; then
    mv -f "$FILENAME" "${SAMPLESDIR}/${SHA256}.$EXT" 1>/dev/null 2>&1
  else
    cp -f "$FILENAME" "${SAMPLESDIR}/${SHA256}.$EXT" 1>/dev/null 2>&1
  fi
done <"$TMPFILE"