11#! /bin/bash
2-
2+ VERSION=3.2.3
33printDownloaderHelp (){
44cat << EOF
55
@@ -26,26 +26,74 @@ validate_url(){
2626 fi
2727}
2828
29+ #! /bin/bash
30+
31+ CHECK_RESULT=0
32+ check_remote_vs_local () {
33+ LOCAL_FILE=" $1 "
34+ REMOTE_URL=" $2 "
35+
36+ if [ ! -f " $LOCAL_FILE " ; then
37+ echo " cURL [check_remote_vs_local] - LOCAL_FILE:[$LOCAL_FILE ] not found. Download"
38+ CHECK_RESULT=0
39+ return
40+ else
41+ echo " cURL [check_remote_vs_local] - LOCAL_FILE:[$LOCAL_FILE ] exists"
42+ fi
43+
44+ # Get local file size
45+ LocalSize=$( wc -c < " $LOCAL_FILE " )
46+
47+ # Get remote file size
48+ RemoteSize=$( curl -sI -L --retry 20 " $REMOTE_URL " | awk ' /Content-Length/ {print $2}' | tr -d ' \r' | tail -n 1)
49+
50+ # Get remote file modification time
51+ modified=$( curl -L --retry 20 --silent --head " $REMOTE_URL " | awk ' /^Last-Modified/{print $0}' | sed ' s/^Last-Modified: //' )
52+ remote_ctime=$( date --date=" $modified " )
53+
54+ # Get local file modification time
55+ local_ctime=$( stat -c %z " $LOCAL_FILE " )
56+ local_ctime=$( date --date=" $local_ctime " )
57+
58+ # Check size
59+ if [ " $LocalSize " != " $RemoteSize " ; then
60+ echo " File sizes differ. Run the cURL. LocalSize:[$LocalSize ] RemoteSize:[$RemoteSize ]"
61+ CHECK_RESULT=0
62+ return
63+ fi
64+
65+ # Check modification time
66+ if [ " $local_ctime " -lt " $remote_ctime " ; then
67+ echo " Remote file is newer. Run the cURL. local_ctime[$local_ctime ] remote_ctime:[$remote_ctime ]"
68+ CHECK_RESULT=0
69+ return
70+ fi
71+
72+ echo " Files are the same. Do not run the cURL."
73+ CHECK_RESULT=1
74+ return
75+ }
76+
2977downloader () {
30- echo " [downloader] ... "
78+ echo " [openFrameworks downloader v ${VERSION} ] ... "
3179 if [ -z " $1 " ; then
3280 printDownloaderHelp
3381 exit 1
3482 fi
83+ ERROR_MSG=" Downloading failed: No Installed: wget2, curl or wget. Please install (via homebrew, winget, apt-get) and try again. "
3584 SILENT=0
3685 NO_SSL=0
3786 URLS=()
38-
3987 while [[ $# -gt 0 ]]; do
4088 key=" $1 "
4189 case $key in
4290 -s|--silent)
4391 SILENT=1
44- shift # past argument
92+ shift
4593 ;;
4694 -k|--no-ssl)
4795 NO_SSL=1
48- shift # past argument
96+ shift
4997 ;;
5098 -h|--help)
5199 printDownloaderHelp
@@ -56,46 +104,100 @@ downloader() {
56104 URLS+=(" $1 "
57105 else
58106 if [ $1 != " 0" ; then
59- echo " Invalid URL: [$1 ]"
107+ echo " Invalid URL: [$1 ]"
60108 fi
61109 fi
62- shift # past argument
110+ shift
63111 ;;
64112 esac
65113 done
66-
114+ if command -v wget2 > /dev/null 2>&1 ; then
115+ WGET2_INSTALLED=1
116+ else
117+ WGET2_INSTALLED=0
118+ fi
119+ if command -v curl > /dev/null 2>&1 ; then
120+ CURL_INSTALLED=1
121+ else
122+ CURL_INSTALLED=0
123+ fi
124+ if command -v wget > /dev/null 2>&1 ; then
125+ WGET_INSTALLED=1
126+ else
127+ WGET_INSTALLED=0
128+ fi
129+ WGET2=1
130+ CURL=1
131+ WGET=1
67132 SSL_ARGS=" "
68133 if [[ " $NO_SSL " == " 1" ; then
69- echo " no SSL == 1"
70- if command -v wget2 > /dev/null 2>&1 ; then
134+ if [[ $WGET2 == 1 ]] && [[ $WGET2_INSTALLED == 0 ]]; then
71135 SSL_ARGS=" --no-check-certificate"
72- elif command -v curl > /dev/null 2>&1 ; then
136+ elif [[ $CURL == 1 ]] && [[ $CURL_INSTALLED == 0 ]] ; then
73137 SSL_ARGS=" --insecure"
74138 else
75139 SSL_ARGS=" --no-check-certificate"
76140 fi
77- echo " [Warning SSL Validation is Disabled with -k or --no-ssl]"
141+ echo " [WARNING SSL Validation is Disabled with -k or --no-ssl]"
78142 fi
79-
80- for URL in " ${URLS[@]} " ; do
81- DL_FILENAME=$( basename " $URL " )
82- echo " Downloading [$DL_FILENAME ] @ [$URL ]"
83- if [[ " ${SILENT} " == " 1" ; then
84- if command -v wget2 2> /dev/null; then
85- wget2 -q $URL 2> /dev/null;
86- elif command -v curl 2> /dev/null; then
87- curl -L --parallel --retry 20 -s $SSL_ARGS -N -O $URL ;
143+ URLS_TO_DOWNLOAD=" "
144+ for (( i = 0 ; i < ${# URLS[@]} ; i++ )) ; do
145+ URL=" ${URLS[$i]} "
146+ FILENAME=$( basename " $URL " )
147+ if [[ $WGET2 == 1 ]] && [[ $WGET2_INSTALLED == 1 ]]; then
148+ URLS_TO_DOWNLOAD+=" ${URL} "
149+ elif [[ $CURL == 1 ]] && [[ $CURL_INSTALLED == 1 ]]; then
150+ LOCAL_FILE=$FILENAME
151+ REMOTE_URL=$URL
152+ check_remote_vs_local " $LOCAL_FILE " " $REMOTE_URL "
153+ if [ $CHECK_RESULT -eq 0 ]; then
154+ URLS_TO_DOWNLOAD+=" ${URL} -o ${FILENAME} "
155+ if [ $(( i + 1 )) -lt ${# URLS[@]} ]; then
156+ URLS_TO_DOWNLOAD+=" -k " ;
157+ fi
88158 else
89- wget -q $URL 2> /dev/null;
159+ echo " LOCAL_FILE:[${LOCAL_FILE} ] is same as remote - skipping download"
160+ fi
161+ else
162+ URLS_TO_DOWNLOAD+=" ${URL} "
163+ fi
164+ done
165+ echo
166+ if [ -z " $URLS_TO_DOWNLOAD " ; then
167+ echo " No URLS to download, continue"
168+ else
169+ if [[ " ${SILENT} " == 1 ]]; then
170+ if [[ $WGET2 == 1 ]] && [[ $WGET2_INSTALLED == 1 ]]; then
171+ echo
172+ wget2 -nv --progress=bar -N -t20 $SSL_ARGS $URLS_TO_DOWNLOAD
173+ elif [[ $CURL == 1 ]] && [[ $CURL_INSTALLED == 1 ]]; then
174+ echo
175+ curl -L --retry 20 --progress-bar $SSL_ARGS ${URLS_TO_DOWNLOAD}
176+ elif [[ $WGET == 1 ]] && [[ $WGET_INSTALLED == 1 ]]; then
177+ echo
178+ wget -nv -N -t20 ${URLS_TO_DOWNLOAD}
179+ else
180+ echo $ERROR_MSG ;
181+ exit 1;
90182 fi ;
91183 else
92- if command -v wget2 2> /dev/null; then
93- wget2 --progress=bar $URL 2> /dev/null;
94- elif command -v curl 2> /dev/null; then
95- curl -L --parallel --retry 20 --progress-bar -N $SSL_ARGS -O $URL || echo $? ;
96- else
97- wget --progress=bar $URL 2> /dev/null;
184+ if [[ $WGET2 == 1 ]] && [[ $WGET2_INSTALLED == 1 ]]; then
185+ echo " Downloading [wget2] urls:[$URLS_TO_DOWNLOAD ]"
186+ echo
187+ wget2 -N -nv --progress=bar -t20 $SSL_ARGS ${URLS_TO_DOWNLOAD}
188+ elif [[ $CURL == 1 ]] && [[ $CURL_INSTALLED == 1 ]]; then
189+ echo " Downloading [cURL] urls:[$URLS_TO_DOWNLOAD ]"
190+ echo
191+ curl -L --retry 20 --progress-bar $SSL_ARGS ${URLS_TO_DOWNLOAD}
192+ elif [[ $WGET == 1 ]] && [[ $WGET_INSTALLED == 1 ]]; then
193+ echo " Downloading [wget] [$FILENAME ] urls:[$URLS_TO_DOWNLOAD ]"
194+ echo
195+ wget -nv --progress=bar -N -t20 $SSL_ARGS $URLS_TO_DOWNLOAD
196+ else
197+ echo $ERROR_MSG ;
198+ exit 1;
98199 fi
99200 fi
100- done
201+ fi
202+ echo
101203}
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