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parsing a line of text into multiple values


parsing a line of text into multiple values

By : Sam Barker
Date : November 18 2020, 11:13 AM
around this issue use List>
Using above collection you can have a List on each index of the List.
code :


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How to write multiple values into one line in a text file

How to write multiple values into one line in a text file


By : user3376360
Date : March 29 2020, 07:55 AM
this one helps. I have a number and strings, a, x, y, and z. I want to write a them to a text file with all of those values in one line. For example, I want the text file to say:
code :
with open('output', 'w') as fp:
    while True:
        a, x, y, z = calculate_a(), calculate_x(), calculate_y(), calculate_z()
        fp.write('{} {} {} {}\n'.format(a, x, y, z)
with open('output', 'w') as fp:
    lines = []
    while True:
        a, x, y, z = calculate_a(), calculate_x(), calculate_y(), calculate_z()
        lines.append('{} {} {} {}\n'.format(a, x, y, z))
    fp.writelines(lines)
Parsing multiple keyword value pairs in one line - mixed delimiters - Text::Balanced

Parsing multiple keyword value pairs in one line - mixed delimiters - Text::Balanced


By : Highlow
Date : March 29 2020, 07:55 AM
To fix this issue Here's what I have. It's not using Text::Balanced, however. It's using Regexp::Common:
code :
#!/usr/bin/perl  
use strict;
use warnings;
use Regexp::Common;

my($ALL, $name, $pairs);
while(defined($name = <DATA>) && defined($pairs = <DATA>)) {
    chomp $name;
    chomp $pairs;
    $ALL->{$name} = parse_pairs($pairs);
}
use Data::Dump; dd $ALL;

sub parse_pairs {
    my $str = shift;

    my @key_values = $str =~ /
        (\w+)    # key
        \s*
        (\w+|$RE{balanced}{-parens=>'{}'}) # value
        \s*/xg;

    my $r;
    while (@key_values)
    {
        $key_values[1] =~ s/^\{//;
        $key_values[1] =~ s/\}$//;
        $r->{$key_values[0]} = [ split /\s+/, $key_values[1] ];
        splice @key_values, 0, 2;
    }
    $r;
}
__DATA__
name1
key1 val1 key2 {val2a val2b} key3 val3
name2
key2 val2 key3 val3
name3
key1 {val1a val1b val1c} key2 {val2a val2b}
C# Pdf to Text with values in multiple line

C# Pdf to Text with values in multiple line


By : S.Moledina
Date : March 29 2020, 07:55 AM
it helps some times Hi I have a pdf with content as following : - , The following code using iTextSharp helped in formatting the pdf -
code :
PdfReader reader = new PdfReader(path);
int pagenumber = reader.NumberOfPages;
for (int page = 1; page <= pagenumber; page++)
{
    ITextExtractionStrategy strategy = new SimpleTextExtractionStrategy();
    string tt = PdfTextExtractor.GetTextFromPage(reader, page , strategy);
    tt = Encoding.UTF8.GetString(ASCIIEncoding.Convert(Encoding.Default, Encoding.UTF8, Encoding.Default.GetBytes(tt)));
    File.AppendAllLines(outfile, tt, Encoding.UTF8);
}
Get single line and multiple line values from text file

Get single line and multiple line values from text file


By : user2032230
Date : March 29 2020, 07:55 AM
help you fix your problem It looks like your code will not add the last key-value pair to the Map.
Try:
code :
                while (scanner.hasNextLine()) {
                    line = scanner.nextLine();
                    if (line.contains(":")) {
                        if (key != null) {
                            values.put(key, value.trim());
                            key = null;
                            value = null;
                        }
                        int indexOfColon = line.indexOf(":");
                        key = line.substring(0, indexOfColon);
                        value = line.substring(indexOfColon + 1);
                    } else {
                        value += " " + line;
                    }
                }
                if (key != null) {
                    values.put (key, value.trim());
                }
extract mth entry from nth line in a matrix in multiple text files and write values to a new text file

extract mth entry from nth line in a matrix in multiple text files and write values to a new text file


By : RiemerG
Date : March 29 2020, 07:55 AM
hope this fix your issue I have numerous text files each containing a matrix, with entries separated by tabs & spaces (below is an example of a 31x31 matrix from one file). The line length in the file is limited to 80 chars so the matrix in each file is split into sections, 5 columns in each section. The row and column labels are the same but the values are different in each file.
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