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54 lines
911 B
54 lines
911 B
/*
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* my_sed(argc,argv)
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* filename = argv[1];
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* s1 = argv[2];
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* s2 = argv[3];
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* input::ifstream ifs;
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* input = open(filename, std::ifstream::in);
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*
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*
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*
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* */
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#include <iostream>
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#include <fstream>
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using std::string;
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using std::ifstream;
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using std::ofstream;
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int main(int argc, char **argv)
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{
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string text;
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string buffer;
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string filename;
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string oldStr;
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string newStr;
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int oldLen;
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int i = 0, fileLen = 0;
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if (argc != 4)
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return (EXIT_FAILURE);
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ifstream input(argv[1]);
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oldStr = argv[2];
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newStr = argv[3];
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while (getline(input, buffer))
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text += buffer;
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input.close();
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fileLen = text.length();
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oldLen = oldStr.length();
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while (i < fileLen)
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{
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i = text.find(oldStr, i);
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if (i == -1)
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break ;
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text.erase(i, oldLen);
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text.insert(i, newStr);
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}
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filename = argv[1];
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ofstream output(filename.append(".replace"));
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output << text;
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output.close();
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return (EXIT_SUCCESS);
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}
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