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How to remove all lines in file till a specific word occures PHP


How to remove all lines in file till a specific word occures PHP

By : user22071
Date : November 20 2020, 04:01 AM
With these it helps You can just add an extra bit of logic to first find the "PART" line before writing out numbered lines:
...
code :
$lines = file($newname);
$found = false;

// Loop through the array
foreach($lines as $line) { 

$seq = trim($line);

if( $seq == "PAST" )
    $found = true;

    // Find all lines starting with a number
    if ($found && preg_match('/^\d/', $seq)){ 
        # Replace all number with | 
        $seq = preg_replace('/[0-9]+/', '', $seq);
        $seq = preg_replace('/\s/',"",$seq);

        # Store in string
        $out .= $seq;
    } 
    // Read lines into file
    $f = fopen($newname, "w");
    fwrite($f, $out);
    fclose($f);
} 


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How can I remove a word from a string if it occures more than 1 in a row with regex

How can I remove a word from a string if it occures more than 1 in a row with regex


By : Süleman Kaydırak
Date : March 29 2020, 07:55 AM
seems to work fine
I want to use replace or replace all if thats possible to keep it short
code :
yourString = yourString.replaceAll("(<br>)+", "<br>");
Using sed to remove lines till the end of the file

Using sed to remove lines till the end of the file


By : user3229699
Date : March 29 2020, 07:55 AM
I hope this helps . I'm using sed -n '/[test1]/,/[test2]/{/[test2]/!p}' test.txt > temp.txt ..which works well if If I only want the top selection, but I'm after the bottom section. , Try this command:
code :
sed -n  '/\(^\[test2\]\)/,$p' test.txt > temp.txt
 sed -n -r '/(^\[test2\])/,$p' test.txt > temp.txt
Windows batch skip lines until specific string occures

Windows batch skip lines until specific string occures


By : user2266136
Date : March 29 2020, 07:55 AM
wish of those help I have multiple text-files that begins with some lines followed by a line (the n-th line) which contains a specific string. This string is unique in each file. What i would like to do is to remove the first n lines and keep the other lines in the file. I tried this using: , Here is a way with an example.
Code -
code :
@echo off
for /f "delims=:" %%i in ('findstr /rinc:"key_word"  input.txt') do (set line_no=%%i)
for /f "skip=%line_no% delims=" %%a in ('type input.txt') do (echo %%a)
D:\Scripts\dummy>type input.txt
line_1
line_2
line_3
key_word
line_4
line_5
line_6


D:\Scripts\dummy>type draft.bat
@echo off
for /f "delims=:" %%i in ('findstr /rinc:"key_word"  input.txt') do (set line_no=%%i)
for /f "skip=%line_no% delims=" %%a in ('type input.txt') do (echo %%a)


D:\Scripts\dummy>draft.bat
line_4
line_5
line_6
Join lines after specific word till another specific word

Join lines after specific word till another specific word


By : Sridevi Ramasamy
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I have a .txt file of a transcript that looks like this , Alright, first the answer:
code :
:g/^\u\+:/,/\n\u\+:\|\%$/join
Remove all lines from a .txt file, except for lines beginning with specific word

Remove all lines from a .txt file, except for lines beginning with specific word


By : v2fail
Date : October 09 2020, 08:00 PM
will be helpful for those in need I am attempting to create a program that will read all lines from a text file and remove all text, except for the lines beginning with 'Line 1:, Line 2:, Line 3:' etc.
code :
void ProcessFile()
{
    var file_path = @"Tags.txt";
    var sb = new StringBuilder();
    foreach (var line in File.ReadLines(file_path))
    {
        if (!Regex.IsMatch(line, @"^Line\s+[0-9]+:"))
        {
            sb.AppendLine(line);
        }
    }
    // Save back
    File.WriteAllText(file_path, sb.ToString());
}
void ProcessFile()
{
    var file_path = @"Tags.txt";
    File.WriteAllLines(file_path, File.ReadLines(file_path).Where(line => !Regex.IsMatch(line, @"^Line\s+[0-9]+:")));
}
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