Read File from CMD

/**********************************/
/*      How to execute            */
/**********************************/

STEP 1 : Open terminal
STEP 2 : GOTO  $ cd /opt/lamp/htdoc/assignmentByRavi/
STEP 3 : Execute the file 

Scenario 1: $ php main.php data.csv 66
Scenario 2: $ php main.php data.csv 86 rectangle 
Scenario 3: $ php main.php data.csv 90 circle

You will find the result with appropriate messages.


NOTE: If you provided invalid Id with the Type it gives the error message and if the result not found it also gives some valid message.


main.php

  
 error_reporting(0);
$type = '';
if(findId($argv[1],$argv[2],$argv[3])){
 if(isset($argv[3])){
  $getFileData = readMyFile($argv[1],$argv[3]);
 }else{
  $getFileData = readMyFile($argv[1]);
 }
 if(count($getFileData) > 0){
  $myShape = findShapeIndex($argv[2],$getFileData);
  echo 'Index of ID ('.$argv[2].') is ['.$myShape[0].'] Before Sorting-- ';

  $sortByArea = sortByArea($myShape['type'],$getFileData);
  print_r($sortByArea);

  $findInstance = findShapeIndex($argv[2], $sortByArea);
  echo 'Index of ID ('.$argv[2].') is ['.$findInstance[0].'] After Sorting-- ';

 }else{
  echo 'Invalid type'; exit;die;
 }
}else{
 echo 'Invalid ID';exit;die;
}

function readMyFile($fileName,$type=''){
 $returnAry = array();
 $file = fopen($fileName,"r");
 $i = 0;
 $flag = 1;
 while($line1 = fgetcsv($file)){
  if($i > 0){
   if($type != ''){
    if($type === $line1[1]){
     $returnAry[] = array(
      'area'=>getAreaOfCircle($line1[2]),
      'ID'=>$line1[0],
      'type'=>$line1[1],
      'radius'=>$line1[2]   
     );
     $flag = 0;
    }else if($type === $line1[1]){
     $returnAry[] = array(
      'area'=>getAreaOfRectangle($line1[3],$line1[2]),
      'ID'=>$line1[0],
      'type'=>$line1[1],
      'width'=>$line1[2],
      'height'=>$line1[3]   
     );
     $flag = 0;
    }
   }else{
    if($line1[3]==''){
     $returnAry[] = array(
      'area'=>getAreaOfCircle($line1[2]),
      'ID'=>$line1[0],
      'type'=>$line1[1],
      'radius'=>$line1[2]   
     );
     $flag = 0;
    }else{
     $returnAry[] = array(
      'area'=>getAreaOfRectangle($line1[3],$line1[2]),
      'ID'=>$line1[0],
      'type'=>$line1[1],
      'width'=>$line1[2],
      'height'=>$line1[3]   
     );
     $flag = 0;
    }
   }
  }
  $i++;
 }
 fclose($file);
 if($flag > 0){
  $returnAry = array();
  return $returnAry; 
 }else{
  return $returnAry;
 }
 
}

function findId($filename,$ID,$type){
    $f = fopen($filename, "r");
    $result = false;
    while ($row = fgetcsv($f)) {
     if(isset($type)){
      if ($row[0] == $ID && $type == $row[1]) {
             $result = $row[0];
             break;
         }
     }else{
      if ($row[0] == $ID) {
             $result = $row[0];
             break;
         } 
     }
    }
    fclose($f);
    return $result;
}

function getAreaOfCircle($radius){
 $pi = 3.14;
 $areaOfCircle = ($radius*$radius) * $pi; 
     return $areaOfCircle; 
}

function getAreaOfRectangle($height, $width){
 $areaOfRectangle = $height * $width;
 return $areaOfRectangle;
}

function sortByArea($type,&$shapes){
    $shapes_sort = count($shapes);
     for($i = 0; $i < $shapes_sort; $i ++) {
   for($j = 0; $j < $shapes_sort; $j ++) {
    if($type === $shapes[$j]['type']){
        if ($shapes[$i]['area'] < $shapes[$j]['area']) {
      $tem = $shapes[$i];
      $shapes[$i] = $shapes[$j];
      $shapes[$j] = $tem;
        }
    }else{
     if ($shapes[$i]['area'] < $shapes[$j]['area']) {
      $tem = $shapes[$i];
      $shapes[$i] = $shapes[$j];
      $shapes[$j] = $tem;
        }
    }
   }
     }
    return $shapes;
}

function findShapeIndex($instance, $shapes){
 $myShape = array();
 for($i=0;$i< count($shapes); $i++){
  if($shapes[$i]['ID'] == $instance){
   $myShape = $shapes[$i];
   array_push($myShape,$i);
  } 
 }
 return $myShape;
}


exit;

 






data.csv

 
 
 
 
 


  
            ID
  
 type
  
 radius
  
 width/height
 

  
2
  
circle
  
5
  


 

  
33
  
rectangle
  
23
  
90
 

  
5
  
rectangle
  
32
  
44
 

  
23
  
circle
  
8
  


 

  
29
  
rectangle
  
22
  
34
 

  
66
  
circle
  
2
  


 

  
35
  
rectangle
  
54
  
63
 

  
87
  
circle
  
111
  


 

  
86
  
rectangle
  
44
  
98
 

  
90
  
circle
  
234
  


 

  
867
  
circle
  
66
  


 

  
5309
  
rectangle
  
22
  
12
 

  
16
  
circle
  
9
  


 

  
17
  
rectangle
  
88
  
23
 

  
56
  
rectangle
  
78
  
46
 

  
52
  
circle
  
18
  


 

  
421
  
rectangle
  
6
  
37
 

  
99
  
circle
  
17
  


 

  
90210
  
circle
  
45
  


 

  
42
  
rectangle
  
100
  
54