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0

I have two comma separated files as mentioned below,

cat source.txt

A,1000

B,3000

C,2500

D,5000

E,4000

F,3000



cat test.txt

A,1000

C

D,5000

B

E

How can I update file test.txt by referring file source.txt, such that the expected output is as below,

cat test.txt

A,1000

C,2500

D,5000

B,3000

E,4000

awk sed

share|improve this question

asked 10 mins ago

Swapnil DhuleSwapnil Dhule

925

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you just want to fill in missing values, or should all values get replaced by the one in source.txt?
  
  – finswimmer
  7 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I just want to replace missing values. Please refer expected output.
  
  – Swapnil Dhule
  1 min ago
  

  
  
  
  

add a comment | 

0

I have two comma separated files as mentioned below,

cat source.txt

A,1000

B,3000

C,2500

D,5000

E,4000

F,3000



cat test.txt

A,1000

C

D,5000

B

E

How can I update file test.txt by referring file source.txt, such that the expected output is as below,

cat test.txt

A,1000

C,2500

D,5000

B,3000

E,4000

awk sed

share|improve this question

asked 10 mins ago

Swapnil DhuleSwapnil Dhule

925

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you just want to fill in missing values, or should all values get replaced by the one in source.txt?
  
  – finswimmer
  7 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I just want to replace missing values. Please refer expected output.
  
  – Swapnil Dhule
  1 min ago
  

  
  
  
  

add a comment | 

I have two comma separated files as mentioned below,

cat source.txt

A,1000

B,3000

C,2500

D,5000

E,4000

F,3000



cat test.txt

A,1000

C

D,5000

B

E

How can I update file test.txt by referring file source.txt, such that the expected output is as below,

cat test.txt

A,1000

C,2500

D,5000

B,3000

E,4000

awk sed

share|improve this question

asked 10 mins ago

Swapnil DhuleSwapnil Dhule

925

cat source.txt

A,1000

B,3000

C,2500

D,5000

E,4000

F,3000



cat test.txt

A,1000

C

D,5000

B

E

cat test.txt

A,1000

C,2500

D,5000

B,3000

E,4000

share|improve this question

asked 10 mins ago

Swapnil DhuleSwapnil Dhule

925

share|improve this question

asked 10 mins ago

Swapnil DhuleSwapnil Dhule

925

asked 10 mins ago

Swapnil DhuleSwapnil Dhule

925

asked 10 mins ago

Swapnil DhuleSwapnil Dhule

925