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Read CSV file and write to another CSV - ArrayIndexOutOfBoundsException and pattern difficuties


Read CSV file and write to another CSV - ArrayIndexOutOfBoundsException and pattern difficuties

By : Yongki Adi
Date : November 24 2020, 09:00 AM
it fixes the issue About the ArrayIndexOutOfBounds
Your problem seems to be that when the input ends with ;, the 5th element gets discarded. For example:
code :
"abc;def;".split(";")  ->  ["abc", "def"]
"abc;def;".split(";", 3)  ->  ["abc", "def", ""]
"abc;def;".split(";", -1)  ->  ["abc", "def", ""]
String price;
if (values[3].startsWith("EUR ") || values[3].endsWith(" €")) {
    // ignore non-digits and non-commas, and replace commas with dots
    price = values[3].replaceAll("[^\\d,]", "").replaceAll(",", ".");
} else {
    // ignore non-digits and non-dots
    price = values[3].replaceAll("[^\\d.]", "");
}
431.333,0 EUR


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File corrupt after BinaryRead/Write / FileStream.Read/Write /File.Read/WriteAllBytes

File corrupt after BinaryRead/Write / FileStream.Read/Write /File.Read/WriteAllBytes


By : forhad
Date : March 29 2020, 07:55 AM
it helps some times Your encryption method is not invertible, and so you cannot reliably decrypt a general binary message with it. The problem occurs because it is possible for two different plaintext values to encrypt to the same ciphertext value, and when this happens there's no way for you to determine when decrypting which was the correct input value.
Example:
code :
if inByte = 100 and keyByte = 100:
    ApplyVernam(100, 100) = 100

if inByte = 0, keyByte = 100:
    ApplyVernam(0, 100) = 100
this.ResBytes[x] = this.ApplyVernam(this.FileBytes[x], this.FileBytes[1]);
this.ResBytes[x] = x == 1 ? this.FileBytes[x] : this.ApplyVernam(this.FileBytes[x], this.FileBytes[1]);
Read pattern from file and write to another file using python

Read pattern from file and write to another file using python


By : user2172181
Date : March 29 2020, 07:55 AM
should help you out You can use this regular expression, assuming all functions start on their own line (function SomeName()\n) and end on a new line (\n}), as in your example:
code :
import re

with open('file.js', 'r') as f:
    content = f.read()

functions = re.findall(r'(function\s.+?\(.*?\)\n.+?\n\})', content, re.DOTALL)
for i, func in enumerate(functions):
    with open('func{}.js'.format(i), 'w') as f:
        f.write(func)
function Script1(){
  var player = GetPlayer();
}
Powershell Read File, Search for Pattern Delete the Pattern, Write out to same or new file

Powershell Read File, Search for Pattern Delete the Pattern, Write out to same or new file


By : neepo
Date : March 29 2020, 07:55 AM
may help you . I can only guess what you are after.
See an explanation of the REgEx used on https://regex101.com/r/qen2VS/1
code :
## Q:\Test\2018\06\10\SO_50777935.ps1
$Text=@"
AAA0000XYZZ
BBB0001H0351
CXXXXX  ABCUABSS    22/11/1990
YYY0001H03510000001
ZZZ0000XYZZ
AAA0001XYZZ
BBB0001H9561
CXXXXX  ABCUABSS    22/11/1990
YYY0001H95610000001
ZZZ0001XYZZ
"@

$Pattern ="(?s)BBB\d+(H0351|H9561).*?YYY\d+\1\d+\r?\n"

$text -replace $pattern
AAA0000XYZZ
ZZZ0000XYZZ
AAA0001XYZZ
ZZZ0001XYZZ
$Pattern ="(?s)BBB\d+(H0351|H9561).*?YYY\d+\1\d+\r?\n"
ForEach($File in (Get-ChildItem *.txt -File)){
    (Get-Content $File -Raw) -Replace $Pattern | Set-Content $File
}
Android exception - ArrayIndexOutOfBoundsException kotlin when I write to file

Android exception - ArrayIndexOutOfBoundsException kotlin when I write to file


By : user2786078
Date : March 29 2020, 07:55 AM
hop of those help? Problem is in the loop itself.
-1 is returned when there is no more data
Read file, find pattern, edit and write back to same binary file

Read file, find pattern, edit and write back to same binary file


By : user2861356
Date : March 29 2020, 07:55 AM
may help you . I am trying to read a file which has several lines of data, modify one of the lines and write back the edits into the same file I read from. , Use this to modify according to pattern:
code :
import re
from os import rename

path = r'/path/to/binary'
tmp_file = path + r'.mod'

pattern = b'\x55\x4F\x50\x44\x01\x00\x00\x00\x00\x00\x00\x00\x00\x06\x05\x08\x07'
new_pat = b'\x55\x4F\x50\x44\x01\x00\x00\x00\x00\x00\x00\x00\x00\x06\x05\xde\xad'

myre = re.compile(pattern)
with open(path, 'rb') as read_file, open(tmp_file, 'wb') as write_file:
    write_file.write(myre.sub(new_pat, read_file.read()))

rename(tmp_file, path)
import struct
from collections import defaultdict
from os import rename

path = r'/tmp/rando_bin'
tmp_file = path + r'.mod'

location_start_hex = 0
location_end_hex = 8
fill_value = 0

mapper = defaultdict(set)
for hex_location in range(location_start_hex, location_end_hex + 1):
    mapper[hex_location // 2].add('right' if hex_location % 2 else 'left')


with open(path, 'rb') as read_file, open(tmp_file, 'wb') as write_file:
    byte_cnt = 0
    x = read_file.read(1)

    while x:
        if byte_cnt in mapper:
            if len(mapper[byte_cnt]) == 2:
                write_file.write(bytearray([fill_value]))
            elif 'left' in mapper[byte_cnt]:
                y = struct.unpack('B', x)[0]
                new_byte = y & int('00001111', 2)
                write_file.write(bytearray([new_byte]))
            else:
                y = struct.unpack('B', x)[0]
                new_byte = y & int('11110000', 2)
                write_file.write(bytearray([new_byte]))
        else:
            write_file.write(x)
        byte_cnt += 1
        x = read_file.read(1)

rename(tmp_file, path)
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