X-Git-Url: https://git.sommitrealweird.co.uk/bpgallery.git/blobdiff_plain/10352e437ec87446fb08768a997868f0fbccc540..c3a792f598a86e84f5e50186efaa671869aabd9a:/bpgallery.sh

diff --git a/bpgallery.sh b/bpgallery.sh
index 4f421c9..e3110fd 100755
--- a/bpgallery.sh
+++ b/bpgallery.sh
@@ -19,7 +19,7 @@
 
 set -f
 
-VERSION="1.1.3"
+VERSION="1.1.4"
 
 function bpgallery_default_head() {
 cat <<END
@@ -377,6 +377,16 @@ else
 	WCCOMMAND="$WCCOMMAND -l"
 fi
 
+if [[ -z $MAXTHREADS ]]; then
+	# if there's more than 2G of memory, then do 4 threads, otherwise, just 1
+	__total_memory=$(free -t -g | sed -ne '2 { s#Mem:[[:space:]]*\([0-9]*\)[[:space:]]*.*$#\1#; p; }')
+	if [[ $__total_memory -ge 2 ]]; then
+		MAXTHREADS=4
+	else
+		MAXTHREADS=1
+	fi
+fi
+
 if [[ -z $WIDTH ]]; then
 	WIDTH=100
 fi
@@ -543,6 +553,10 @@ function check_dimensions() {
 	wantedheight=$2
 	dir=$3
 	filename=$4
+	if [ ! -e "$dir/$filename" ]; then
+		echo 0
+		return
+	fi
 	iconwidth=$($IDENTIFYCOMMAND -format "%wx%h" "$dir/$filename")
 	iconheight=${iconwidth//*x}
 	iconwidth=${iconwidth//x*}
@@ -627,7 +641,7 @@ function generate_resized_images() {
 					$ECHOCOMMAND -n -e "\000"
 			fi
 		done | \
-		$XARGSCOMMAND -0 --verbose --max-procs=4 -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | \
+		$XARGSCOMMAND -0 --verbose --max-procs=$MAXTHREADS -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | \
 			while read throwout; do
 				$ECHOCOMMAND done: $currentimage/$imagestoupdate images
 				currentimage=$((currentimage+1))