diff --git a/klk2eureco.sh b/klk2eureco.sh
index 16e85ad..0a466e5 100755
--- a/klk2eureco.sh
+++ b/klk2eureco.sh
@@ -6,7 +6,12 @@
 CORPUS="$EURECO/klk-fi-v2-vrt"
 TEIDTD="$EURECO/tei/tei_all.dtd"
 
-DAT="$CORPUS/data"                # input vrt files of klk-fi by year
+SCRIPTDIR="$(cd "$(dirname "$0")" && pwd)"
+ZIPFILE=`ls "$SCRIPTDIR"/workdir/*.zip 2>/dev/null | head -1`   # whichever archive of yearly vrt files sits in workdir/; members are streamed, never extracted to disk
+if [[ -z "$ZIPFILE" ]] ; then
+    echo "Error: klk2eureco.sh: no .zip file found in $SCRIPTDIR/workdir" >&2
+    exit 1
+fi
 XML="$CORPUS/XML"                 # output zipped vrtxml files of selection of newspapers
 
 
@@ -41,25 +46,23 @@
 
 # Generate corpus files by year and source in vrt
 
-#for VRT in $DAT/*.vrt                              # loop to be applied to yearly files
-for VRT in "$DAT/klk_fi_v2_2021.vrt"        
+for ZIPMEMBER in `unzip -Z1 "$ZIPFILE" | grep '\.vrt$'`      # loop over every yearly vrt file found in the archive
 do # (
 
-    BASENAME=`basename $VRT .vrt`
+    BASENAME=`basename $ZIPMEMBER .vrt`
     YEAR=`echo $BASENAME | gawk 'BEGIN {FS="_"} {print $4}'`
 
-    ##TMP echo "Generating proper XML files from $VRT in $XML/$YEAR by source..."
-    ##TMP gawk -v OUTDIR="$XML" -v YEAR="$YEAR" -f vrt2xml.awk $VRT
-    
+    echo "Generating proper XML files from $ZIPMEMBER in $ZIPFILE, in $XML by source..."
+    unzip -p "$ZIPFILE" "$ZIPMEMBER" | gawk -v OUTDIR="$XML" -v YEAR="$YEAR" -f vrt2xml.awk
 
-    
+
+
     #--------------------------------------------------------
     # Checking Wellformedness of the XML and generating TEI
     #--------------------------------------------------------
 
-    ##TMP for s in $XML/*/
-    for s in $XML/Suomen_Kuvalehti/
-    do # ( # threading	
+    for s in $XML/*/                                          # every source vrt2xml.awk actually produced output for
+    do # ( # threading
 	SOURCE=`basename $s`
 	x=$s/$SOURCE$YEAR.xml