#!/usr/bin/env bash # Author: Linyos Torovoltos github.com/linyostorovovoltos currentVersion="1.22.1" multiline="0" # flag that indicates multiline option fileoutput="0" # flag indicating the -f option ## This function determines which http get tool the system has installed and returns an error if there isnt one getConfiguredClient() { if command -v curl &>/dev/null; then configuredClient="curl" elif command -v wget &>/dev/null; then configuredClient="wget" elif command -v http &>/dev/null; then configuredClient="httpie" elif command -v fetch &>/dev/null; then configuredClient="fetch" else echo "Error: This tool reqires either curl, wget, httpie or fetch to be installed." >&2 return 1 fi } ## Allows to call the users configured client without if statements everywhere httpGet() { case "$configuredClient" in curl) curl -A curl -s "$@" ;; wget) wget -qO- "$@" ;; httpie) http -b GET "$@" ;; fetch) fetch -q "$@" ;; esac } update() { # Author: Alexander Epstein https://github.com/alexanderepstein # Update utility version 2.2.0 # To test the tool enter in the defualt values that are in the examples for each variable repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one latestVersion=$(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 if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]]; then echo "Error: update utility has not been configured correctly." >&2 exit 1 elif [[ $latestVersion == "" ]]; then echo "Error: no active internet connection" >&2 exit 1 else if [[ "$latestVersion" != "$currentVersion" ]]; then echo "Version $latestVersion available" echo -n "Do you wish to update $repositoryName [Y/n]: " read -r answer if [[ "$answer" == [Yy] ]]; then cd ~ || { echo 'Update Failed'; exit 1; } if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi echo -n "Downloading latest version of: $repositoryName." git clone -q "https://github.com/$githubUserName/$repositoryName" && touch .BSnippetsHiddenFile || { echo "Failure!"; exit 1; } & while [ ! -f .BSnippetsHiddenFile ]; do { echo -n "."; sleep 2; };done rm -f .BSnippetsHiddenFile echo "Success!" cd $repositoryName || { echo 'Update Failed'; exit 1; } git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit." chmod a+x install.sh #this might be necessary in your case but wasnt in mine. ./$nameOfInstallFile "update" || exit 1 cd .. rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; } else exit 1 fi else echo "$repositoryName is already the latest version" fi fi } makeqr() { input=$(echo $input | sed s/" "/%20/g ) ## replace all spaces in the sentence with HTML-encoded space %20 httpGet qrenco.de/$input ## get a response for the qrcode } # redirects the image obtained from the goqr api into a png file makeQRFile() { input=$(echo "$input" | sed -e s/" "/%20/g -e s/'\\n'/%0A/g ) ##same as in the makeqr function addFileExt httpGet "api.qrserver.com/v1/create-qr-code/?size=150x150&data=$input" > "$fileName" } addFileExt() { if ! echo "$fileName" | grep -E -q ".*\.png$|.*\.PNG$" then fileName="$fileName.png" fi } makeMultiLineQr() { if [[ ${configuredClient} != "curl" ]]; then ## prevent usage without curl it is unreliable echo "Multiline currently only supports curl!" return 1 else input=$(echo "$input" | sed -e s/" "/%20/g -e s/'\\n'/%0A/g ) ##same as in the makeqr function printf "%s" "$input" | curl -F-=\<- qrenco.de fi } # Function to get the json response from POST request decodeQR() { local qrFile="$1" if ! echo "$fileName" | grep -E -q ".*\.png$|.*\.PNG$|.*\.gif$|.*\.jpg$|.*\.jpeg$|.*\.GIF$|.*\.JPG$|.*\.JPEG$" then exit 1 fi # only uses curl # Cannot use wget because it does not support multipart/form-data (as per the man page)] case "$configuredClient" in curl) JSONresponse=$(curl -s -F "file=@$qrFile" http://api.qrserver.com/v1/read-qr-code/) || exit 1;; wget) echo "Error:-Not supported with wget" >&2 && exit 1;; httpie) JSONresponse=$(http -b --form POST http://api.qrserver.com/v1/read-qr-code/ file@"$qrFile") || exit 1;; fetch) echo "Error:-Not supported with wget" >&2 && exit 1;; esac error=$(echo "$JSONresponse" | python -c 'import sys, json; print json.load(sys.stdin)[0]["symbol"][0]["error"]') if [ "$error" = "None" ] then data=$(echo "$JSONresponse" | python -c 'import sys, json; print json.load(sys.stdin)[0]["symbol"][0]["data"]') else echo "Error:-$error" >&2 && exit 1 fi } checkInternet() { httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request } usage() { cat <