[jira] Created: (IO-199) Replace strings in file

[Alexander Stroell (JIRA)]

Replace strings in file
-----------------------

                 Key: IO-199
                 URL: https://issues.apache.org/jira/browse/IO-199
             Project: Commons IO
          Issue Type: New Feature
          Components: Utilities
            Reporter: Alexander Stroell
            Priority: Minor


A method, that can replace strings (keys) in a file would be very useful. 

For example if you have a file with the following text:

{noformat}
The packet must arrive between @dateFrom and @dateTo. 
{noformat}

You can now replace the "keys" with a value of your choice..


Perhaps something like this:

{code}  
public static void replaceStrings(File inputFile, File outputFile, 
List<KeyValuePair<String, String>> replacements) throws IOException{
                BufferedReader in = new BufferedReader(new 
FileReader(inputFile));
                BufferedWriter out = new BufferedWriter(new 
FileWriter(outputFile));
                
                String line;
                
                while ((line = in.readLine()) != null) {
                        for(KeyValuePair<String, String> kvp : replacements){
                                line = line.replace(kvp.getKey(), 
kvp.getValue());
                        }
                        out.write(line);
                        out.newLine();
                }
                out.flush();
        }
{code}


I think it should also be possible, to replace the strings in the inputfile so 
you don't have to create a new file (outputfile)

Regards Alex



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