awk ''attempt to use scalar `SUM' as array'' -


मैं बस awk सीख रहा हूं, यह मेरी समस्या है:

test.awk <{0} =

जब मैं चलाता हूं: 

  awk -f test.awk हैलो   
 मुझे यह त्रुटि मिलती है:  
 
 awk: cmd रेखा: 2: (FILENAME = हैलो एफएनआर = 1) घातक: स्केलर `SUM 'को सरणी के रूप में उपयोग करने का प्रयास   
 कृपया मुझे बताएं कि क्या हो रहा है और मुझे इसे कैसे सही करना चाहिए।   
 
 
  एसएम = 0   
 यह awk को बताता है कि  एसएएम  एक स्केलर है, इस मामले में संख्या शून्य है।  
  SUM [NR] = ...   
 यह awk बताता है कि आप एक सरणी के रूप में  SUM  का उपयोग करना चाहते हैं लेकिन आपने पहले ही यह बताया है कि  SUM  है  0 , आप  0 [NR]  का उपयोग नहीं कर सकते।

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