├── .gitignore
├── README.md
├── cRun
└── example.gif


/.gitignore:
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1 | test/
2 | a.out
3 | *.swp
4 | 


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/README.md:
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 1 | # cppRunner
 2 | Watch to compile and run c++ files. 
 3 | 
 4 | ![cppRunner](https://raw.githubusercontent.com/CoolVoltage/cppRunner/master/example.gif "cppRunner!")
 5 | 
 6 | 
 7 | #Installing
 8 | 
 9 | Download the zip or clone the repo.
10 | 
11 | ```sh
12 | $ cp cRun /usr/bin/.
13 | ```
14 | #Options
15 | 
16 | ```sh
17 | $ cRun srcFileName.cpp -i testInput.txt
18 | ```
19 | Or
20 | ```sh
21 | $ cRun srcFileName.c -i testInput.txt
22 | ```
23 | Or
24 | ```sh
25 | $ cRun srcFileName.cpp
26 | ```
27 | Contribute
28 | ----------
29 | If you want to add features, improve them, or report issues, feel free to send a pull request! 
30 | 


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/cRun:
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  1 | #!/bin/bash
  2 | 
  3 | #to kill child process on ctrl+c
  4 | trap "kill 0" SIGINT
  5 | 
  6 | srcHash=0
  7 | inpHash=1
  8 | 
  9 | tempInpHash=1
 10 | tempSrcHash=1
 11 | 
 12 | inputFile=""
 13 | file=""
 14 | extension=""
 15 | 
 16 | #holds pid of childprocess which runs the executable file
 17 | outputChild=""
 18 | 
 19 | #
 20 | runExecutable () {
 21 | 	rerun=""
 22 | 	cat $inputFile | "./$fileName"	
 23 | 	echo
 24 | 	echo "(Type rs to rerun)"
 25 | 	read rerun </dev/tty
 26 | 	if [ "$rerun" == "rs" ]
 27 | 	then
 28 | 		reset
 29 | 		runExecutable
 30 | 	fi
 31 | }
 32 | 
 33 | #
 34 | file="$1"
 35 | 
 36 | if [ -z "$file" ]
 37 | then
 38 | 	echo "Please specify source file.Error Exiting..."
 39 | 	exit
 40 | fi
 41 | 
 42 | if [ ! -e "$file" ]
 43 | then
 44 | 	echo "Source file doesn't exist.Error Exiting..."
 45 | 	exit
 46 | fi
 47 | 
 48 | #handling fileExtension for make
 49 | fileName=`echo $file | cut -d "." -f 1`
 50 | extension=`echo $file | cut -d "." -f 2`
 51 | 
 52 | #check if extension is present, second check is required if no '.' is present
 53 | if [ -z "$extension" ] || [ "$extension" == "$fileName" ]
 54 | then
 55 | 	echo "No file extension present?Exiting..."
 56 | 	exit
 57 | fi
 58 | #iterate through arguments and set options
 59 | while [ -n "$2" ]
 60 | do
 61 | 	case $2 in
 62 | 		"-i") 
 63 | 			shift
 64 | 				if [ -e "$2" ]
 65 | 				then
 66 | 					inputFile="$2"
 67 | 				else
 68 | 					echo "The input file doesn't exist.Exiting.."
 69 | 					exit
 70 | 				fi
 71 | 			;;
 72 | 	esac
 73 | 	shift
 74 | done
 75 | 
 76 | while [ true ]
 77 | do
 78 | 	#tempSrcHash and temoInpHash to hold the intermediate hash to compare with previous hash of the file to detect change in src and input
 79 | 	tempSrcHash=`shasum $file`
 80 | 	if [ ! -z "$inputFile" ]
 81 | 	then
 82 | 		tempInpHash=`shasum $inputFile`
 83 | 	fi
 84 | 
 85 | 	#checks for change either in source or input files
 86 | 	if [ "$srcHash" != "$tempSrcHash" ] || [ "$inpHash" != "$tempInpHash" ]
 87 | 	then
 88 | 		if [ ! -z "$outputChild" ]
 89 | 		then
 90 | 			kill "$outputChild"		
 91 | 			outputChild=""
 92 | 		fi
 93 | 		#clears screen for output
 94 | 		reset
 95 | 
 96 | 		#remove output file , if present
 97 | 		rm $fileName
 98 | 
 99 | 		#compiles according to fileExtension
100 | 		make $fileName
101 | 		echo "Compiled at `date`"
102 | 	
103 | 		#if no input file is given , inpHash == tempInpHash == 1 holds forever	
104 | 		if [ ! -z "$inputFile" ]
105 | 		then
106 | 			inpHash="$tempInpHash"
107 | 		fi
108 | 	
109 | 		if [ -e "$fileName" ]
110 | 		then
111 | 			(runExecutable)&
112 | 			outputChild=$!
113 | 		fi
114 | 		
115 | 		srcHash="$tempSrcHash"
116 | 	fi
117 | 	sleep 2
118 | done
119 | 
120 | 


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/example.gif:
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https://raw.githubusercontent.com/CoolVoltage/cppRunner/4a1d0c7e02bc0aeddb2cab9bff7fe3c14a5c18af/example.gif


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