Script to run C++ code with different user input

Question

I have a c++ executable file 'Score' that takes as input two user defined 'values'. These values are some data in txt files. I run the program and save the output to a text file like this :

./Score data1.txt data2.txt >outdata1data2.txt

Because I need to run this for many times would be possible to create a shell bash script that does this automatically something like :

./Score data1.txt data3.txt >outdata1data3.txt
./Score data1.txt data4.txt >outdata1data4.txt

and so on..

The names of the data are all different and all in the same directory as the executable file. My knowledge in C++ is very limited and any help would be appreciated

can you edit your question to specify which shell type? bash? other? — Jean-François Fabre
– Jean-François Fabre ♦, Commented Nov 16, 2016 at 18:24

John Kugelman · Accepted Answer · 2016-11-16 18:30:38Z

1

#!/bin/bash

for dataFile in data*.txt; do
    # Ignore data1.txt.
    [[ $dataFile == data1.txt ]] && continue

    ./Score data1.dxt "$dataFile" > "outdata1$dataFile"
done

This loops over files named data*.txt in the current directory. Since that matches data1.txt, it needs to be explicitly ignored. It then calls ./Score with each matching file name and names the output file based on the input file.

answered Nov 16, 2016 at 18:30

John Kugelman

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Comments

Alex Rablau · Accepted Answer · 2016-11-16 18:30:52Z

0

It is definitely possible. You will probably want to write a shell script similar to this:

#!/bin/bash
for filename1 in /*.txt; do
  for filename2 in /*.txt; do
    ./Score "$filename1" "$filename1" > "out$filename1$filename2"
  done
done

answered Nov 16, 2016 at 18:30

Alex Rablau

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