diff --git a/compile_nodelist.sh b/compile_nodelist.sh
index c3dc4af..c74874d 100755
--- a/compile_nodelist.sh
+++ b/compile_nodelist.sh
@@ -36,6 +36,7 @@ ext=$(echo $file | awk -F. '{ print $2 }')
 newext="z${ext:1:2}" 
 
 echo "Creating zip archive tqwnet.$newext..."
+[ -f zip/tqwnet.$newext ] && mv zip/tqwnet.$newext{,.`date +%Y%m%d`}
 zip -j9 zip/tqwnet.$newext $absfile
 
 git add . -A
diff --git a/tqwnet.log b/tqwnet.log
index 4e34d26..bc08802 100644
--- a/tqwnet.log
+++ b/tqwnet.log
@@ -4660,3 +4660,46 @@ d 17-Feb-2021 02:14:22 makenl[20186] myfnmerge: drive='' dir='/root/git/tqwnet_n
 d 17-Feb-2021 02:14:22 makenl[20186] /home/christian/git/personal/makenl-code/src/fileutil.c: cleanit(): cleanup no
 + 17-Feb-2021 02:14:22 makenl[20186] CRC = 25575
 + 17-Feb-2021 02:14:22 makenl[20186] MakeNL finished (rc=0)
+
+- 17-Feb-2021 02:16:52 makenl[21290] MakeNL 3.5.1 (Linux) compiled with GNU C on Aug 28 2019 10:23:50
++ 17-Feb-2021 02:16:52 makenl[21290] MakeNL started
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): called with src='.'
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): after removing slash: '.'
+d 17-Feb-2021 02:16:52 makenl[21290] os_fullpath(): dir='', name='', ext=''
+d 17-Feb-2021 02:16:52 makenl[21290] os_fullpath(): old directory='/root/git/tqwnet_nodelist'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='(null)' dir='/root/git/tqwnet_nodelist' name='' ext=''
+d 17-Feb-2021 02:16:52 makenl[21290] os_fullpath(): complete filename: '/root/git/tqwnet_nodelist/'
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): absolute path '/root/git/tqwnet_nodelist/'
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): st_mode is now 40755
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): called with src='./outfile'
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): after removing slash: './outfile'
+d 17-Feb-2021 02:16:52 makenl[21290] os_fullpath(): dir='.', name='outfile', ext=''
+d 17-Feb-2021 02:16:52 makenl[21290] os_fullpath(): old directory='/root/git/tqwnet_nodelist'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='(null)' dir='/root/git/tqwnet_nodelist' name='outfile' ext=''
+d 17-Feb-2021 02:16:52 makenl[21290] os_fullpath(): complete filename: '/root/git/tqwnet_nodelist/outfile'
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): absolute path '/root/git/tqwnet_nodelist/outfile'
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/os.c: os_fulldir(): st_mode is now 40755
+? 17-Feb-2021 02:16:52 makenl[21290] WARNING -- No net NAME given for list header (use /N or NAME verb)
++ 17-Feb-2021 02:16:52 makenl[21290] Cmdline: makenl "-D" "nodelist.txt"
++ 17-Feb-2021 02:16:52 makenl[21290] Using 'nodelist.txt' in '/root/git/tqwnet_nodelist'
++ 17-Feb-2021 02:16:52 makenl[21290] Begin processing 'tqwnet.' -- 2:16, Wednesday, February 17, 2021
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='(null)' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet.' ext='(null)'
+d 17-Feb-2021 02:16:52 makenl[21290] main(): shouldprocess /root/git/tqwnet_nodelist/outfile/tqwnet.
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='$$$'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='(null)' dir='/root/git/tqwnet_nodelist/' name='cpyright.txt' ext='(null)'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='(null)' dir='/root/git/tqwnet_nodelist/' name='prolog.txt' ext='(null)'
+d 17-Feb-2021 02:16:52 makenl[21290] CloseMSGFile: status=0
+d 17-Feb-2021 02:16:52 makenl[21290] CloseMSGFile: MSGnum=0
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='(null)' dir='/root/git/tqwnet_nodelist/' name='epilog.txt' ext='(null)'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='(null)' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet.' ext='050'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='$$$'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='043'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='036'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='029'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='022'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='015'
+d 17-Feb-2021 02:16:52 makenl[21290] myfnmerge: drive='' dir='/root/git/tqwnet_nodelist/outfile' name='tqwnet' ext='008'
++ 17-Feb-2021 02:16:52 makenl[21290] Unchanged output file will NOT be submitted
+d 17-Feb-2021 02:16:52 makenl[21290] /home/christian/git/personal/makenl-code/src/fileutil.c: cleanit(): cleanup no
++ 17-Feb-2021 02:16:52 makenl[21290] CRC = 25575
++ 17-Feb-2021 02:16:52 makenl[21290] MakeNL finished (rc=0)
diff --git a/zip/tqwnet.z50.20210217 b/zip/tqwnet.z50.20210217
new file mode 100644
index 0000000..387dc2f
Binary files /dev/null and b/zip/tqwnet.z50.20210217 differ