Compare two text files from MATLAB Command Window using FC Windows 10 file comparison command

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Paul Hoffrichter
Paul Hoffrichter 2020-9-28
评论： Paul Hoffrichter 2020-9-29
Currently, I am using visdiff to compare two text files. I do not want the GUI popup, nor do I want to get the full visdiff output. I would like to use the Windows 10 FC command instead. In MATLAB Command Window, I can compare two text files successfully if I manually type in the two filenames:
>> !fc "ABC-BASELINE.txt" "ABC.txt"
Comparing files 0114 After power up initial re-pair.mat-bits-BASELINE.txt and 0114 AFTER POWER UP INITIAL RE-PAIR.MAT-BITS.TXT
FC: no differences encountered
I would like to do this using variables that are set to the two filenames. Something like:
>> !fc fn_baseline_str fn_str
I have not figured out how to define the two fn strings, and then how to run the ! command.
If the file does not exist, I would like to rename the file, fn_str, to fn_baseline_str.
Thank you in advance.
~Paul

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采纳的回答

Steven Lord
Steven Lord 2020-9-28
Use the system function instead of the ! (bang) operator.

更多回答（1 个）

Paul Hoffrichter
Paul Hoffrichter 2020-9-28
To handle spaces in filenames, I did the following:
>> fn_baseline_str =
'A BC BASELINE.txt'
>> fn_str =
'A BC.txt'
>> fc = ['fc "' fn_baseline_str '" "' fn_str '"']
fc =
'fc "A BC BASELINE.txt" "A BC.txt"'
>>
>> system( fc )
Comparing files A BC BASELINE.txt and A BC.TXT
FC: no differences encountered
ans =
0

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