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Dexter Industries
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Merge pull request #1 from CleoQc/master
First set of scripts
2 parents 161c2b3 + 27ebf27 commit a6a1252

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‎functions_library.sh‎

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##############################################################
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##############################################################
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#
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# A SERIES OF HELPER FUNCTIONS TO HELP OUT IN
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# HANDLING SCRIPTS THAT ARE GROWING IN COMPLEXITY
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#
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##############################################################
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##############################################################
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quiet_mode() {
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# verify quiet mode
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# returns 0 if quiet mode is enabled
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# returns 1 otherwise
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if [ -f /home/pi/quiet_mode ]
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then
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return 0
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else
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return 1
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fi
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}
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set_quiet_mode(){
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touch /home/pi/quiet_mode
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}
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unset_quiet_mode(){
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delete_file /home/pi/quiet_mode
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}
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feedback() {
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# first parameter is text to be displayed
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# this sets the text color to a yellow color for visibility
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# the last tput resets colors to default
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# one could also set background color with setb instead of setaf
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#http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/x405.html
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echo -e "$(tput setaf 3)$1$(tput sgr0)"
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}
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#########################################################################
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#
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# FILE EDITION
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#
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#########################################################################
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delete_line_from_file() {
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# first parameter is the string to be matched
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# the lines that contain that string will get deleted
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# second parameter is the filename
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if [ -f $2 ]
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then
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sudo sed -i "/$1/d" $2
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feedback "deleted $1 from $2"
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fi
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}
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insert_before_line_in_file() {
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# first argument is the line that needs to be inserted DO NOT USE PATHS WITH / in them
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# second argument is a partial match of the line we need to find to insert before
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# third arument is filename
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feedback "Inserting $1 before $2 in $3"
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if [ -f $3 ]
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then
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feedback "sudo sed -i '/$2/i $1' $3"
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sudo sed -i "/$2/i $1" $3
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fi
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}
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add_line_to_end_of_file() {
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# first parameter is what to add
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# second parameter is filename
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if [ -f $2 ]
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then
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echo $1 >> $2
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fi
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}
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find_in_file() {
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# first argument is what to look for
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# second argument is the filename
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feedback "looking for $1 in $2"
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if grep -q "$1" $2
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then
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return 0
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else
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return 1
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fi
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}
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#########################################################################
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#
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# FILE HANDLING - detection, deletion
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#
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#########################################################################
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file_exists() {
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# Only one argument: the file to look for
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# returns 0 on SUCCESS
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# returns 1 on FAIL
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if [ -f $1 ]
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then
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return 0
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else
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return 1
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fi
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}
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file_exists_in_folder(){
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# can only be run using bash, not sh
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# first argument: file to look for
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# second argument: folder path
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pushd $2
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status = file_exists
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popd
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return status
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}
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file_does_not_exists(){
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# Only one argument: the file to look for
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# returns 0 on SUCCESS
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# returns 1 on FAIL
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feedback "looking for $1"
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if [ ! -f $1 ]
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then
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feedback "not found $1"
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return 0
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else
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feedback "found $1"
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return 1
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fi
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}
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delete_file (){
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# One parameter only: the file to delete
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if file_exists $1
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then
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sudo rm $1
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fi
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}
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wget_file() {
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# One parameter: the URL of the file to wget
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# this will look if ther's already a file of the same name
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# if there's one, it will delete it before wgetting the new one
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# this is to avoid creating multiple files with .1, .2, .3 extensions
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echo $1
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# extract the filename from the provided path
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target_file=${1##*/}
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echo $target_file
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delete_file $target_file
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wget $1 --no-check-certificate
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}
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#########################################################################
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#
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# FOLDER HANDLING - detection, deletion
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#
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#########################################################################
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create_folder(){
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if ! folder_exists
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then
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mkdir $1
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fi
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}
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folder_exists(){
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# Only one argument: the folder to look for
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# returns 0 on SUCCESS
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# returns 1 on FAIL
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if [ -d $1 ]
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then
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return 0
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else
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return 1
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fi
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}
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delete_folder(){
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if folder_exists $1
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then
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sudo rm -r $1
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fi
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}

‎install_script_tools.sh‎

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#! /bin/bash
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#####################################################################
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#####################################################################
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#
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# curl
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#
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#####################################################################
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#####################################################################
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PIHOME=/home/pi
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DEXTER=Dexter
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LIB=lib
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SCRIPT=script_tools
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pushd $PIHOME
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result=${PWD##*/}
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# check if ~/Dexter exists, if not create it
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if [ ! -d $DEXTER ] ; then
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echo "creating $PIHOME/$DEXTER"
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mkdir $DEXTER
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fi
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# go into $DEXTER
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cd $DEXTER
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echo $PWD
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# check if /home/pi/Dexter/lib exists, if not create it
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if [ ! -d $LIB ] ; then
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echo "creating $PIHOME/$DEXTER/$LIB"
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mkdir $LIB
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fi
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cd $LIB
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echo $PWD
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# check if /home/pi/Dexter/lib/Dexter exists, if not create it
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if [ ! -d $DEXTER ] ; then
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echo "creating $PIHOME/$DEXTER/$LIB/$Dexter"
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mkdir $DEXTER
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fi
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cd $DEXTER
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echo $PWD
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# check if /home/pi/Dexter/lib/script_tools exists
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# if yes refresh the folder
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# if not, clone the folder
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if [ -d $SCRIPT ] ; then
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echo "Pulling"
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cd $SCRIPT
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echo $PWD
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echo "now in $PIHOME/$DEXTER/$LIB/$SCRIPT"
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sudo git pull
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else
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# clone the folder
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echo "Cloning"
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sudo git clone https://github.com/DexterInd/script_tools.git
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fi
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popd

‎update_wiringpi.sh‎

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#!/bin/bash
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source /home/pi/di_update/Raspbian_For_Robots/upd_script/functions_library.sh
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# Check if WiringPi Installed and has the latest version. If it does, skip the step.
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# Gets the version of wiringPi installed
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version=`gpio -v`
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# Parses the version to get the number
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set -- $version
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# Gets the third word parsed out of the first line of gpio -v returned.
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# Should be 2.36
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WIRINGVERSIONDEC=$3
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# Store to temp file
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echo $WIRINGVERSIONDEC >> tmpversion
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# Remove decimals
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VERSION=$(sed 's/\.//g' tmpversion)
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# Remove the temp file
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delete_file tmpversion
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feedback "wiringPi VERSION is $VERSION"
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if [ $VERSION -eq '236' ]; then
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feedback "FOUND WiringPi Version 2.36 No installation needed."
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else
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feedback "Did NOT find WiringPi Version 2.36"
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# Check if the Dexter directory exists.
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DIRECTORY='/home/pi/Dexter'
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create_folder "$DIRECTORY"
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create_folder "$DIRECTORY"/lib
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# Change directories to Dexter
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cd $DIRECTORY/lib
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delete_folder wiringPi
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# Install wiringPi
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git clone https://github.com/DexterInd/wiringPi/ # Clone directories to Dexter.
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cd wiringPi
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sudo chmod +x ./build
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sudo ./build
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feedback "wiringPi Installed"
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fi
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# End check if WiringPi installed

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