72 lines
1.5 KiB
Bash
72 lines
1.5 KiB
Bash
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#!/bin/bash
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# Download data.
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cd "$(dirname "$0")"
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die() {
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echo >&2 $*
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exit 1
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}
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checkCmd() {
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command -v $1 >/dev/null 2>&1 \
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|| die "'$1' command not found. Please install from your package manager."
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}
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checkCmd wget
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checkCmd tar
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printf "\n\n====================================================\n"
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printf "Downloading lfw-a (subset of people with name starting with A)"
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printf "====================================================\n\n"
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rm -rf lfw-subset
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mkdir -p lfw-subset
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cd lfw-subset
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wget http://vis-www.cs.umass.edu/lfw/lfw-a.tgz
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[ $? -eq 0 ] || ( rm lfw-a.tgz && die "+ lfw-a: Error in wget." )
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printf "\n\n====================================================\n"
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printf "Verifying checksums.\n"
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printf "====================================================\n\n"
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md5str() {
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local FNAME=$1
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case $(uname) in
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"Linux")
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echo $(md5sum "$FNAME" | cut -d ' ' -f 1)
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;;
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"Darwin")
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echo $(md5 -q "$FNAME")
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;;
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esac
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}
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checkmd5() {
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local FNAME=$1
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local EXPECTED=$2
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local ACTUAL=$(md5str "$FNAME")
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if [ $EXPECTED == $ACTUAL ]; then
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printf "+ $FNAME: successfully checked\n"
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else
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printf "+ ERROR! $FNAME md5sum did not match.\n"
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printf " + Expected: $EXPECTED\n"
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printf " + Actual: $ACTUAL\n"
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printf " + Please manually delete this file and try re-running this script.\n"
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return -1
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fi
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printf "\n"
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}
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set -e
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checkmd5 \
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lfw-a.tgz \
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678b1f67c300002fedafbb0705d22e8d
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tar xf lfw-a.tgz
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mkdir raw
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mv lfw/{Ann_Veneman,Adrien_Brody,Anna_Kournikova} raw
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rm -rf lfw
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rm lfw-a.tgz
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