tig2810
7 New Member
Hi all
This sounds easy and I'm sure it is but i'm just having so much trouble. I have a directory with text files. I want to search the text files for a string and return the name of the file that containes the string. I've tried various way below ut unsuccessfully. Please could someone take a look and offer some assistance?
thanks
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- stringdirectory=@"D:\SearchFolder";
- DirectoryInfodirinfo=newDirectoryInfo(directory);
- FileInfo[]files=dirinfo.GetFiles("EE*.PRN");
- foreach(FileInfoiinfiles)
- {
- List<string>lines=File.ReadAllLines(i.ToString().ToList());
- foreach(stringlineinlines)
- {
- if(line.Contains("UNIQUESTRING"))
- textBox2.Text+=i+"contains"+line.ToString()+Environment.NewLine;
- }
- //Regex.Match(i,"UNIQUESTRING");
- //if(Regex.Match(i,"UNIQUESTRING"))
- //{
- //MessageBox.Show("Filewithregexis:"+i);
- //}
- //stringex=null;
- //ex=(fromlineinFile.ReadAllLines(i)
- //whereline=="UNIQUESTRING"
- //selectline).ToString();
- }
Jul 5 '09 #1
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6 21887 
tlhintoq 3,525 Recognized Expert Specialist
Are you actually looking for the word "UNIQUESTRI NG" in all upper case?
Or is UNIQUESTRING meant to be a variable thus shouldn't have quotes around it?
.Contains is case-sensitive so could that be the issue? You are searching for upper case in a lower case file?
Jul 5 '09 #2
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tig2810 7 New Member
Yes, the string would be in all uppercase. The contents of the text files are also in uppercase.
Jul 5 '09 #3
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tig2810 7 New Member
I should probably add that the snippet of code does not compile as i'm having some more type problems.
Jul 5 '09 #4
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tlhintoq 3,525 Recognized Expert Specialist
Well... yeah... Not compiling will keeping it from finding what you are searching for.
Jul 5 '09 #5
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Curtis Rutland 3,256 Recognized Expert Specialist
This should help:
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- stringpath=@"c:\dev\somedir";
- stringsearchtext="something";
- DirectoryInfodi=newDirectoryInfo(path);
- FileInfo[]files=di.GetFiles("*.txt");
- foreach(FileInfofileinfiles)
- {
- using(StreamReadersr=newStreamReader(file.FullName))
- {
- stringcontent=sr.ReadToEnd().ToLower();
- if(content.Contains(searchtext.ToLower()))
- Console.WriteLine("{0}contains\"{1}\"",file.Name,searchtext);
- else
- Console.WriteLine("{0}doesnotcontain\"{1}\"",file.Name,searchtext);
- }
- }
This is written for a console app, so you will have to make appropriate changes.
Jul 6 '09 #6
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nomibashir 1 New Member
This code is developed in C# and working wel. I have not much time so i did not finished in well maners. You can use this code to search your file according to your Question .
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- DirectoryInfodir=newDirectoryInfo(@"d:\TextFiles\");//dirwhereyouwanttusearchyourfile
- FileInfo[]fileInfo=dir.GetFiles();
- foreach(FileInfofileinfileInfo)
- {
- StreamReadersr=newStreamReader(file.FullName);
- stringallRead=sr.ReadToEnd();
- sr.Close();
- stringfileName=file.Name;
- if(Regex.IsMatch(allRead,"UNIQUESTRING"))
- {
- MessageBox.Show("Found:"+fileName);
- break;
- }
- else
- {
- MessageBox.Show("NotFound");
- }
- }
Feb 28 '11 #7
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