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(errno = ENOENT) in modelsim verilog module

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kasettyram

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# ** Warning: (vsim-3534) [FOFIR] - Failed to open file "input.txt" for reading.
# No such file or directory. (errno = ENOENT) : C:/Documents and Settings/students/My Documents/compare.v(35)
# Time: 0 ns Iteration: 0 Instance: /fileio
# ** Warning: (vsim-3534) [FOFIR] - Failed to open file "output.txt" for reading.

i have included d file in current project work space and also tried opening input.txt by giving the entire path in fopen arguments but still i am unable to open input.txt and getting the above error please help me
 

kasettyram said:
# ** Warning: (vsim-3534) [FOFIR] - Failed to open file "input.txt" for reading.
# No such file or directory. (errno = ENOENT) : C:/Documents and Settings/students/My Documents/compare.v(35)
# Time: 0 ns Iteration: 0 Instance: /fileio
# ** Warning: (vsim-3534) [FOFIR] - Failed to open file "output.txt" for reading.

i have included d file in current project work space and also tried opening input.txt by giving the entire path in fopen arguments but still i am unable to open input.txt and getting the above error please help me
Click to expand...

Hi, you need note that: the input.txt should put in the modelsim run-up directory, or when compile the RTL code, you need use some option to indicate modelsim where to find included files. Try to put the file under the modelsim run-up directory first.
 
Check for your file extension is open or not...
You may write the file as input.txt, but OS understood it as input.txt.txt...
It's a common unwanted mistake... Create your file as "input"...
 

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