187 lines
8.7 KiB
Bash
Executable File
187 lines
8.7 KiB
Bash
Executable File
#!/bin/bash
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# Author: Alexander Epstein https://github.com/alexanderepstein
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currentVersion="1.5.0"
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configuredClient=""
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## This function determines which http get tool the system has installed and returns an error if there isnt one
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getConfiguredClient()
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{
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if command -v curl &>/dev/null ; then
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configuredClient="curl"
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elif command -v wget &>/dev/null ; then
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configuredClient="wget"
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elif command -v fetch &>/dev/null ; then
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configuredClient="fetch"
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else
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echo "Error: This tool reqires either curl, wget, or fetch to be installed."
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return 1
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fi
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}
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## Allows to call the users configured client without if statements everywhere
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httpGet()
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{
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case "$configuredClient" in
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curl) curl -A curl -s "$@";;
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wget) wget -qO- "$@";;
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fetch) fetch -o "...";;
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esac
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}
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checkInternet()
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{
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echo -e "GET http://google.com HTTP/1.0\n\n" | nc google.com 80 > /dev/null 2>&1 # query google with a get request
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if [ $? -eq 0 ]; then #check if the output is 0, if so no errors have occured and we have connected to google successfully
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return 0
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else
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echo "Error: no active internet connection" >&2 #sent to stderr
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return 1
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fi
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}
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## This function grabs information about a stock and using python parses the
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## JSON response to extrapolate the information for storage
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getStockInformation()
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{
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stockInfo=$(httpGet "https://www.alphavantage.co/query?function=GLOBAL_QUOTE&symbol=$1&apikey=KPCCCRJVMOGN9L6T") > /dev/null #grab the JSON response
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export PYTHONIOENCODING=utf8 #necessary for python in some cases
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echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['02. Exchange Name']" > /dev/null 2>&1 || { echo "Not a valid stock symbol" ; exit 1; } #checking if we get any information back from the server if not chances are it isnt a valid stock symbol
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# The rest of the code is just extrapolating the data with python from the JSON response
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exchangeName=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['02. Exchange Name']")
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latestPrice=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['03. Latest Price']")
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open=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['04. Open (Current Trading Day)']")
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high=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['05. High (Current Trading Day)']")
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low=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['06. Low (Current Trading Day)']")
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close=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['07. Close (Previous Trading Day)']")
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priceChange=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['08. Price Change']")
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priceChangePercentage=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['09. Price Change Percentage']")
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volume=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['10. Volume (Current Trading Day)']")
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lastUpdated=$(echo $stockInfo | python -c "import sys, json; print json.load(sys.stdin)['Realtime Global Securities Quote']['11. Last Updated']")
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unset stockInfo # done with the JSON response not needed anymore
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}
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## This function uses all the variables that are set by getStockInformation and
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## prints them out to the user in a human readable format
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printStockInformation()
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{
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echo
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echo $symbol stock info
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echo "============================================="
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echo "| Exchange Name: $exchangeName"
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echo "| Latest Price: $latestPrice"
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if [[ $open != "--" ]];then echo "| Open (Current Trading Day): $open"; fi ## sometime this is blank only print if value is present
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if [[ $high != "--" ]];then echo "| High (Current Trading Day): $high"; fi ## sometime this is blank only print if value is present
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if [[ $low != "--" ]];then echo "| Low (Current Trading Day): $low"; fi ## sometime this is blank only print if value is present
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echo "| Close (Previous Trading Day): $close"
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echo "| Price Change: $priceChange"
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if [[ $priceChangePercentage != "%" ]];then echo "| Price Change Percentage: $priceChangePercentage"; fi ## sometime this is blank only print if value is present
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if [[ $volume != "--" ]];then echo "| Volume (Current Trading Day): $volume"; fi ## sometime this is blank only print if value is present
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echo "| Last Updated: $lastUpdated"
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echo "============================================="
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echo
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}
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## This function queries google to determine the stock ticker for a certain company
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## this allows the usage of stocks to be extended where now you can enter stocks appple
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## and it will determine the stock symbol for apple is AAPL and move on from there
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getTicker()
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{
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response=$(httpGet "http://d.yimg.com/autoc.finance.yahoo.com/autoc?query=$1+$2+$3+$4+$5+$6+$7+$8+$9®ion=1&lang=en%22") > /dev/null
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symbol=$(echo $response | python -c "import sys, json; print json.load(sys.stdin)['ResultSet']['Result'][0]['symbol']") # using python to extrapolate the stock symbol
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unset response #just unsets the entire response after using it since all I need is the stock ticker
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}
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update()
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{
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# Author: Alexander Epstein https://github.com/alexanderepstein
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# Update utility version 1.2.0
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# To test the tool enter in the defualt values that are in the examples for each variable
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repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite
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githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein
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nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
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latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option
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if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]];then
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echo "Error: update utility has not been configured correctly." >&2
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exit 1
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elif [[ $latestVersion == "" ]];then
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echo "Error: no active internet connection" >&2
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exit 1
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else
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if [[ "$latestVersion" != "$currentVersion" ]]; then
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echo "Version $latestVersion available"
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echo -n "Do you wish to update $repositoryName [Y/n]: "
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read -r answer
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if [[ "$answer" == "Y" || "$answer" == "y" ]] ;then
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cd ~ || { echo 'Update Failed' ; exit 1 ; }
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if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
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git clone "https://github.com/$githubUserName/$repositoryName" || { echo "Couldn't download latest version" ; exit 1; }
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cd $repositoryName || { echo 'Update Failed' ; exit 1 ;}
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git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit."
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chmod a+x install.sh #this might be necessary in your case but wasnt in mine.
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./$nameOfInstallFile "update" || exit 1
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cd ..
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rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
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else
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exit 1
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fi
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else
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echo "$repositoryName is already the latest version"
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fi
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fi
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}
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usage()
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{
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echo "Stocks tool"
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echo "Usage: stocks [flag or company]"
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echo " -u Update Bash-Snippet Tools"
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echo " -h Show the help"
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echo " -v Get the tool version"
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}
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getConfiguredClient || exit 1
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checkInternet || exit 1 # check if we have a valid internet connection if this isnt true the rest of the script will not work so stop here
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while getopts "uvh" opt; do
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case $opt in
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\?)
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echo "Invalid option: -$OPTARG" >&2
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exit 1
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;;
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h)
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usage
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exit 0
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;;
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v)
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echo "Version $currentVersion"
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exit 0
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;;
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u)
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update
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exit 0
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;;
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:)
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echo "Option -$OPTARG requires an argument." >&2
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exit 1
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;;
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esac
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done
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if [[ $1 == "update" ]];then
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update
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elif [[ $1 == "help" ]];then
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usage
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elif [[ $# == "0" ]];then
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usage
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else
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getTicker $1 $2 $3 $4 $5 $6 $7 $8 $9 # the company name might have spaces so passing in all args allows for this
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getStockInformation $symbol # based on the stock symbol exrapolated by the getTicker function get information on the stock
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printStockInformation # print this information out to the user in a human readable format
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fi
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