working on installer scripts and using HOME env variable

install-chunkymap-on-ubuntu-from-web.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
-cd ~
+cd $HOME
-rm -Rf ~/minetest-stuff/minetest-chunkymap
+rm -Rf $HOME/minetest-stuff/minetest-chunkymap
-CHUNKYMAP_INSTALLER_DIR=~/Downloads/minetest-chunkymap
+CHUNKYMAP_INSTALLER_DIR=$HOME/Downloads/minetest-chunkymap
 if [ ! -d "$HOME/Downloads" ]; then
 	mkdir "$HOME/Downloads"
 fi
@@ -9,7 +9,7 @@ fi
 #chmod +x update-chunkymap-installer-only.sh
 
 #./update-chunkymap-installer-only.sh:
-cd ~/Downloads
+cd $HOME/Downloads
 rm master.zip
 wget https://github.com/expertmm/minetest-chunkymap/archive/master.zip
 rm -f minetest-chunkymap.zip
@@ -25,10 +25,10 @@ chmod +x "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-installer-only.sh"
 chmod +x "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-on-ubuntu-from-web.sh"
 chmod +x "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu-from-web.sh"
 
-#mv -f "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh" "~/Downloads/"
+#mv -f "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh" "$HOME/Downloads/"
 mv -f "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-on-ubuntu-from-web.sh" "$HOME/Downloads/"
 mv -f "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu-from-web.sh" "$HOME/Downloads/"
 
 
 chmod +x "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"
-sh "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"
+sh "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"

install-chunkymap-on-ubuntu.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
-cd ~
+cd $HOME
-rm -Rf ~/minetest-stuff/minetest-chunkymap
+rm -Rf $HOME/minetest-stuff/minetest-chunkymap
-CHUNKYMAP_INSTALLER_DIR=~/Downloads/minetest-chunkymap
+CHUNKYMAP_INSTALLER_DIR=$HOME/Downloads/minetest-chunkymap
 if [ ! -d "$HOME/Downloads" ]; then
 	mkdir "$HOME/Downloads"
 fi
@@ -9,10 +9,10 @@ fi
 MINETEST_UTIL=$HOME/minetest/util
 CHUNKYMAP_DEST=$MINETEST_UTIL
 
-#cd ~/Downloads
+#cd $HOME/Downloads
-#rm -f ~/minetestmapper-numpy.py
+#rm -f $HOME/minetestmapper-numpy.py
 #wget https://github.com/spillz/minetest/raw/master/util/minetestmapper-numpy.py
-#since colors.txt is in ~/minetest/util:
+#since colors.txt is in $HOME/minetest/util:
 cp -f "$CHUNKYMAP_INSTALLER_DIR/minetestmapper-numpy.py" "$HOME/minetest/util/minetestmapper-numpy.py"
 if [ ! -d "$CHUNKYMAP_DEST" ]; then
   # Control will enter here if $DIRECTORY doesn't exist.
@@ -34,4 +34,4 @@ sudo apt-get install python-numpy python-pil
 
 echo "To check out chunkymap, run:"
 echo "cd $CHUNKYMAP_DEST"
-# NOTE: colors.txt should ALREADY be in ~/minetest/util
+# NOTE: colors.txt should ALREADY be in $HOME/minetest/util

minetestserver-stop.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-#TODO: set pid then:
-# ssh hostname 'kill -TERM $pid'

set-minutely-crontab-job.sh

@@ -3,4 +3,4 @@ sudo su -
 # NOTE: this works only since user is a field on Ubuntu (on some GNU/Linux systems it is not, which is implied by omission at http://www.adminschoice.com/crontab-quick-reference)
 # Minute, Hour, Day of Month, Month (1 to 12), Day of Week
 # m h dom mon dow user command
-echo "* * * * * root /home/owner/minetest/util/chunkymap-cronjob" >> /etc/crontab
+echo "* * * * * root /home/owner/minetest/util/chunkymap-cronjob" >> /etc/crontab

stop-mts.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+MTS_HAYSTACK_PATH=/tmp/mts_haystack
+# the space in the sed param means search for a space. The result is all characters before the space.
+ps -e | grep minetestserver | sed 's/ .*//' > "$MTS_HAYSTACK_PATH"
+#ps -e | grep minetestserver > "$MTS_HAYSTACK_PATH"
+# as per TheOther1. linuxquestions.org.
+# <http://www.linuxquestions.org/questions/programming-9/bash-shell-script-read-file-line-by-line-136784/>.
+# 20 Jan 2004. 19 Feb 2016.
+a=0
+while read line
+do a=$(($a+1));
+pid=$line
+#echo $pid
+#echo $line | sed 's/ .*//'
+kill -TERM $pid
+done < "$MTS_HAYSTACK_PATH"
+echo "Final line count is: $a";
+rm "$MTS_HAYSTACK_PATH"
+#TODO someday (?):
+# ssh hostname 'kill -TERM $pid'

update-chunkymap-installer-only.sh

@@ -1,12 +1,12 @@
 #!/bin/sh
-cd ~
+cd $HOME
-rm -Rf ~/minetest-stuff/minetest-chunkymap
+rm -Rf $HOME/minetest-stuff/minetest-chunkymap
-CHUNKYMAP_INSTALLER_DIR=~/Downloads/minetest-chunkymap
+CHUNKYMAP_INSTALLER_DIR=$HOME/Downloads/minetest-chunkymap
 if [ ! -d "$HOME/Downloads" ]; then
 	mkdir "$HOME/Downloads"
 fi
 
-cd ~/Downloads
+cd $HOME/Downloads
 rm master.zip
 wget https://github.com/expertmm/minetest-chunkymap/archive/master.zip
 rm -f minetest-chunkymap.zip
@@ -21,6 +21,5 @@ chmod +x "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"
 chmod +x "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-installer-only.sh"
 chmod +x "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-on-ubuntu-from-web.sh"
 
-#mv -f "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh" "~/Downloads/"
+#mv -f "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh" "$HOME/Downloads/"
-mv -f "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-on-ubuntu-from-web.sh" "~/"
+mv -f "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-on-ubuntu-from-web.sh" "$HOME/"
-

update-chunkymap-on-ubuntu-from-web.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-cd ~
+cd $HOME
 #rm -Rf $HOME/minetest-stuff/minetest-chunkymap
 CHUNKYMAP_INSTALLER_DIR=$HOME/Downloads/minetest-chunkymap
 if [ ! -d "$HOME/Downloads" ]; then
@@ -8,9 +8,9 @@ fi
 
 #cd $CHUNKYMAP_INSTALLER_DIR
 chmod +x update-chunkymap-installer-only.sh
-cd ~/Downloads
+cd $HOME/Downloads
-mv -f "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-installer-only.sh"
+mv -f update-chunkymap-installer-only.sh "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-installer-only.sh"
 sh "$CHUNKYMAP_INSTALLER_DIR/update-chunkymap-installer-only.sh"
 #./install-chunkymap-on-ubuntu.sh
 chmod +x "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"
-sh "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"
+sh "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"