add input paramter checking that verifies the existance of the input files to stero_match example
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@ -14,6 +14,7 @@
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#include "opencv2/core/utility.hpp"
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#include <stdio.h>
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#include <sys/stat.h>
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using namespace cv;
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@ -143,6 +144,19 @@ int main(int argc, char** argv)
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return -1;
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}
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struct stat stat_buffer;
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if (stat(img1_filename, &stat_buffer) != 0)
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{
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printf("Command-line parameter error: could not find the first input image file\n");
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return -1;
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}
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if (stat(img2_filename, &stat_buffer) != 0)
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{
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printf("Command-line parameter error: could not find the second input image file\n");
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return -1;
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}
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if( (intrinsic_filename != 0) ^ (extrinsic_filename != 0) )
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{
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printf("Command-line parameter error: either both intrinsic and extrinsic parameters must be specified, or none of them (when the stereo pair is already rectified)\n");
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