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Full Discussion: EBCDIC to ASCII conversion
Top Forums UNIX for Advanced & Expert Users EBCDIC to ASCII conversion Post 303032673 by Corona688 on Thursday 21st of March 2019 05:38:37 PM
Old 03-21-2019
Quote:
Originally Posted by vgersh99
Maybe I'm missing something, but wouldn't iconv do the job?
The question is more like, how to convert the ASCII text 0xFFFF into a binary number. The text is ASCII, but the value it represents is binary. Packed decimals are kind of like that, encoded in a special BCD-ish IBM manner that's neither plaintext nor binary as it's usually done.

The sticking point is, they often end up in the middle of EBCDIC streams which look like text files but are really fixed-size database records completely lacking in metadata. Very COBOL-ish. Very IBM. And not actually a text file. dd or iconv can't generate a sensible result from
Code:
String1String2String3(BCD Garbage)String4String1String2String3(BCD Garbage)String4

So, there isn't any generic code to convert a text stream out of packed decimal, and can't be. You have to read the data in a structured way and know which bits to convert and how.

This is usually the point where we ask for the necessary sample of data, OP refuses, and the thread dies.

Last edited by Corona688; 03-21-2019 at 07:13 PM..
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URLCODING(3)						 libbash urlcoding Library Manual					      URLCODING(3)

NAME
urlcoding -- a Libbash library for encoding and decoding URL's. SYNOPSIS
urlEncodeString [-l] <STRING> urlEncodeFile [-l] <FILE> urlEncodeStream [-l] urlDecodeString <STRING> urlDecodeFile <FILENAME> urlDecodeStream DESCRIPTION
urlcoding is a collection of functions that convert ASCII-text to standard URL's and vice-versa. The AWK code used is based on code by Heiner Steven <heiner.steven@odn.de> The function list: urlEncodeString Creates a URL from an ASCII string urlEncodeFile Converts a file into URL-valid text urlEncodeStream Converts standard input into URL-valid text urlDecodeString Converts a URL-encoded text back to a plain-text form urlDecodeFile Coverts URL-encoded text in a file back to plain text urlDecodeStream Converts URL-encoded standard input to text Detailed interface description follows. The [-l] option for the encoding functions should be used when line-feed characters (' ') are to be encoded as well. All functions print the results of their conversions to standard output. The exit status of all functions is that of the command 'awk', with '0' for success FUNCTIONS DESCRIPTIONS
urlEncodeString [-l] <STRING> Converts STRING - a string of ASCII characters - to URL. urlEncodeFile [-l] <FILE> Coverts FILE of URL-encoded text to plain text urlEncodeStream [-l] Converts text from standard input to URL-text. urlDecodeString <STRING> Converts URL-encoded string STRING back to text. urlDecodeFile <FILENAME> Converts the URL-encoded text in FILE to plain text. urlDecodeStream Converts the URL-encoded text from standard input to plain-text AUTHORS
Alon Keren <alon.keren@gmail.com> SEE ALSO
ldbash(1), libbash(1) Linux Epoch Linux
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