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178 lines
3.7 KiB
178 lines
3.7 KiB
#!/bin/bash |
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# Original Author: Alexander Epstein https://github.com/alexanderepstein |
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currentVersion="1.10.0" |
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configuredClient="" |
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search="0" |
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insensitive="" |
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recursive="" |
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boundry="" |
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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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usage() |
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{ |
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echo "Cheat tool" |
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echo "Usage: cheat [flags] [command] or cheat [flags] [programming language] [subject]" |
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echo " -s Does a search for last argument rather than looking for exact match" |
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echo " -i Case insensitive search" |
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echo " -b Word boundaries in search" |
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echo " -r Recursive search" |
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echo " -h Show the help" |
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echo " -v Get the tool version" |
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echo "Special Pages:" |
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echo " hello Describes building the hello world program written in the language" |
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echo " list This lists all cheatsheets related to previous arg if none it lists all cheatsheets" |
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echo " learn Shows a learn-x-in-minutes language cheat sheet perfect for getting started with the language" |
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echo " 1line A collection of one-liners in this language" |
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echo " weirdness A collection of examples of weird things in this language" |
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} |
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getCheatSheet() |
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{ |
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if [[ $# == 1 ]]; then |
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if [[ $search == "1" ]];then |
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link=cheat.sh/~$1 |
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else |
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link=cheat.sh/$1 |
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fi |
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else |
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link=cheat.sh/$1 |
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fi |
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if [[ $# == 2 ]];then |
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if [[ $search == "1" ]];then |
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link+=/~$2 |
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else |
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link+=/$2 |
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fi |
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fi |
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if [[ $insensitive != "" || $recursive != "" || $boundry != "" ]];then link+=/$boundry$insensitive$recursive; fi |
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httpGet $link |
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} |
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checkSpecialPage() |
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{ |
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temp=$1 |
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if [[ $1 == "list" ]];then |
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temp=":list" |
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elif [[ $1 == "learn" ]];then |
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temp=":list" |
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elif [[ $1 == "styles" ]];then |
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temp=":styles" |
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fi |
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if [[ $2 == "1" ]];then |
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arg1=$temp |
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else |
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arg2=$temp |
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fi |
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} |
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getConfiguredClient || exit 1 |
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#checkInternet || exit 1 |
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while getopts "ribuvhis" 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 $currentVersion" |
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exit 0 |
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;; |
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i) |
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insensitive="i" |
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search="1" |
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;; |
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b) |
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boundry="b" |
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search="1" |
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;; |
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r) |
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recursive="r" |
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search="1" |
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;; |
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s) |
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search="1" |
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;; |
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:) |
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echo "Option -$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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for arg |
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do |
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if [[ $arg != "-r" && $arg != "-s" && $arg != "-b" && $arg != "-i" ]];then |
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if [ -z ${arg1+x} ];then |
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arg1=$arg |
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fi |
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if [ ! -z ${arg1+x} ];then |
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arg2=$arg |
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fi |
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fi |
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done |
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checkSpecialPage $arg1 1 |
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checkSpecialPage $arg2 2 |
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if [[ $# == 0 ]]; then |
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usage |
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exit 0 |
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elif [[ $1 == "help" || $1 == ":help" ]];then |
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usage |
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exit 0 |
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else |
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if [[ $arg1 != $arg2 ]];then |
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getCheatSheet $arg1 $arg2 |
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else |
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getCheatSheet $arg1 |
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fi |
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exit 0 |
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fi
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