[英]what is the best way to batch replace multiple strings in a text file
我有這個文件,有許多字符串和許多替換,我想用他們的替換品替換字符串,然后保存文本文件,這是我嘗試過,它做了一個糟糕的工作,但:
StreamReader sr = new StreamReader(fullPath + "\\DICT_J.txt", Encoding.Unicode);
string cdID;
string str;
while (sr.Peek() >= 0)
{
string[] temp = sr.ReadLine().Split('^');
if (temp.Length == 3)
{
cdID = temp[1];
str = temp[2];
File.WriteAllText(path, Regex.Replace(File.ReadAllText(path), str, cdID), Encoding.Unicode);
}
}
sr.Close();
sr.Dispose();
這里 (抱歉,我不能在這里發布,因為SOF不允許Line返回)是包含替換的文件的示例,這里是模板:Line ID ^ Replacement ^ String要替換
不確定這是否有幫助,但這些是我的猜測。 這些方法有其他的編碼重載,我在這里沒有使用,但在你的情況下可能會有用。
public void Replace(string originalFile, string replacementsFile)
{
var originalContent = System.IO.File.ReadAllLines(originalFile);
var replacements = System.IO.File.ReadAllLines(replacementsFile);
foreach(var replacement in replacements)
{
var _split = replacement.Split(new char[] { '^' });
var lineNumber = Int32.Parse(_split[0]);
// checks if the original content file has that line number and replaces
if (originalContent.Length < lineNumber)
originalContent[lineNumber] = originalContent[lineNumber].Replace(_split[1], _split[2]);
}
System.IO.File.WriteAllLines(originalFile, originalContent);
}
public void Replace(string originalFile, string replacementsFile)
{
var originalContent = System.IO.File.ReadAllText(originalFile);
var replacements = System.IO.File.ReadAllLines(replacementsFile);
foreach(var replacement in replacements)
{
var _split = replacement.Split(new char[] { '^' });
originalContent = originalContent.Replace(_split[1], _split[2]);
}
System.IO.File.WriteAllText(originalFile, originalContent);
}
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