I want to use the chart of SAS on Spotfire.
So I tries to create png file as binary data on SAS.
Is that possible?
I try to import the png file as binary data, but Sas did not.
On R, "read.bin"
data test2;
infile "&filepath" recfm=f;
input value binary8.1 ##;
run;
Please let me know.
Related
I have sdf files database and I want to convert all the files into png format at once. I used openbabel for single conversion it works.
When I try to use the COPY command with HEADER option and format text to export a table in postgreSQL, I get the following error:
COPY HEADER available only in CSV mode
I understand that we can use format CSV with a different delimiter than , to generate a different file format, but I am wondering why the use of HEADER with text format is prohibited?
The default text format of COPY is proprietary to PostgreSQL and not very useful for data exchange with other software. For example, a NULL value is represented as \N.
Since nobody saw a need for having header data in this format, it didn't get implemented.
Use the csv format for data exchange.
I wanted to download an image from the web. But when I 'save image', it opens as a .txt file. I figure this is some type of encoding for the image but I can't find out which.
I want to eventually automate downloading the image for further processing, specifically text recognition. I've tried to convert the .txt using some online base64 encoders/decoders with no success. However, https://convertio.co/ was able to convert the .txt to .gif but I don't know how it did what it did.
I've given a sample of the .txt file. The actual file is much bigger.
The file name beings as such (if it helps):
data:image;base64,R0lGODlhyABGAIMAAPRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNvRDNv///ywAAAAAyABGAAAE+vDB (and it goes on, its very long).
GIF89aÈ�F�ƒ��ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ôC6ÿÿÿ,����È�F��úðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|úðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|úðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|úðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ|ðÁ;
I can see that there are '|' characters in between. May be for separating pixels.
The entire file is here: https://pastebin.com/BPbTHMZ7
It's seems to be a GIF image encoded as a data URL:
data:image;base64,R0lGODlhyABGAIMAAPRDNvRDNvRDNvR...
This format can be used in HTML and CSS file and is handy because the image data is directly embedded in the HTML/CSS file and does not need to be loaded with a separate request.
The start of the text basically says it's data URL, containing data for an image and the image is encoded using Base 64.
To decode it:
Chop off the start of the text, namely data:image;base64,.
Run the remaining text (R0lGODlhy...) through a Base64 decoder. The result will be binary data.
Save the binary data to a file using a file name with the extension .gif.
Now you have a proper GIF image as a file.
Working with some binary data encoded in Base64 I used the below powershell script to convert back to binary. It worked well with for example PDF files encoded by C# code for including in XML documents.
But now I tried to use the same script with a different kind of binary data - text encrypted with PGP using Bouncy Castle library for .NET. And the files this decodes cannot be decrypted (PGP error 34), even though when the same Base 64 string below is saved in a SQL database varchar(max) column, I read it back and decrypt just fine. Why would PowerShell decode Base64 differently than c# code? Both are using .NET...
$b64 = '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'
$filename = '1.bin'
$bytes = [Convert]::FromBase64String($b64)
[IO.File]::WriteAllBytes($filename, $bytes)
(Just thinking out load here)
More information may be needed here. Your code is taking the string and converting it to raw binary, and outputting that to a file. If you then re-import it, and convert it back, it is working.
Have you tried taking the data from both processes and comparing the output? One may have a header for example, while the other doesn't.
Sample data and required excel image:
Also, Read Time section as shown in file, and populate excel file with the data in a column with the header name Time as shown above. Likewise, read the message value as shown in the .asc file and populate in excel file by converting the numbers from hexadecimal to decimal in columns named Data1, Data2, Data3,…
If your '.asc' file consists of tab delimited ASCII text then Excel will allow you to import it into an Excel worksheet.
The following explainer comes from Microsoft's Office support site:
There are two ways to import data from a text file by using Microsoft
Excel: You can open the text file in Excel, or you can import the text
file as an external data range. To export data from Excel to a text
file, use the Save As command.
There are two commonly used text file formats:
Delimited text files (.txt), in which the TAB character (ASCII
character code 009) typically separates each field of text.
Comma separated values text files (.csv), in which the comma character
(,) typically separates each field of text.
You can change the separator character that is used in both delimited
and .csv text files. This may be necessary to make sure that the
import or export operation works the way that you want it to.
If neither of those methods work for you and your '.asc' was generated by MATLAB then you may be able to use MATLAB to export directly to an Excel worksheet. MATLAB has a function xlswrite that you can use to write directly to a Microsoft Excel spreadsheet.
Another option, if you're comfortable writing some VBA code in Excel, is to use the textscan function to parse your '.asc' file.