-awk --posix 'BEGIN { RS="\0" } { d=$7; gsub( /([^ ]*[ ]){7,7}/, "" ); if ( date == d ) printf "%s\0",$0 }' date=$1
+awk 'BEGIN { RS="\0" } { d=$7; sub( /^([^ ]*[ ])([^ ]*[ ])([^ ]*[ ])([^ ]*[ ])([^ ]*[ ])([^ ]*[ ])([^ ]*[ ])/, "" ); if ( date == d ) printf "%s\0",$0 }' date=$1