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Top Forums Shell Programming and Scripting need help with ascii to decimal conversion Post 302344487 by sunilmenhdiratt on Sunday 16th of August 2009 11:38:54 PM
Old 08-17-2009
Quote:
Originally Posted by durden_tyler
One way to do it using Perl:

Code:
$ 
$ echo "729711810132973278105991013268971213233" |
> perl -lne 'chomp($x=$_);
>            do { $inc = substr($x,$i,1)<2 ? 3 : 2; push @s,substr($x,$i,$inc); $i+=$inc
>               } while $i<length($x); print pack("C*",@s)'
Have a Nice Day !
$

And another way, especially if that string is too long:

Code:
$ ##
$ echo "729711810132973278105991013268971213233" |
> perl -ne 'chomp($x=$_);
>            do {if (substr($x,$i,1)<2) {$e=substr($x,$i,3);$i+=3}
>                else {$e=substr($x,$i,2);$i+=2} printf("%c",$e)
>               } while $i<length($x); print "\n"'
Have a Nice Day !
$

As a side note, this seems to be overkill for a simple task. It's kind of hard to imagine why the source system could not generate an array or a delimited string thereby marking boundaries for individual characters.

tyler_durden
---------------------------------------------------------------------
Thanks you very much!

actully I have been asked to convert data into ascii stream with no delimiters.The data is store in a file say "codefile", it contains data like this
and contains multuiple lines

Have a Nice Day!


I wrote follwing script



-------------------------------------------------------
#!/bin/bash
while read -n1 char
do
printf "%d" \'$char
done < codefile
----------------------------------------------------------
Output is

./coder.sh
72971181010970781059910106897121330

But instead of spaces it prints 0(bolded in upper output), Which is supposed to be 32 (Ascii vale of space),Also it print an exta 0 at the end (marked as red).
Can any one please help me how to debug, Does printf not take special charaters as variable to print ? or the variable is not able to store the spcial characters like space?..Please help

Unfortunetly I am not familor with perl

Thanks in advance

appreciting all ur earlier efforts

-S
 

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mailq(1)						      General Commands Manual							  mailq(1)

NAME
mailq - prints the mail queue SYNOPSIS
DESCRIPTION
prints a summary of the mail messages queued for future delivery. The first line printed for each message shows the internal identifier used on this host for the message, the size of the message in bytes, the date and time the message was accepted into the queue, and the envelope sender of the message. The second line shows the error message that caused this message to be retained in the queue; it will not be present if the message is being processed for the first time. The status characters are: to indicate that the job is being processed to indicate that the load is too high to process the job to indicate that the job is too new in the queue to process. The output lines that follow the second line show the message recipients, one per line. is identical to Options The supported options are: Show the mail submission queue specified in the file instead of the MTA queue specified in the file. Show the lost items in the mail queue instead of normal queue items. Show the quarantined items in the mail queue instead of the normal queue items. Limit processed jobs to those containing substr as a substring of the queue ID or not when is specified. Limit processed jobs to quarantined jobs containing substr as a substring of the quarantine reason or not when is specified. Limit processed jobs to those containing substr as a substring of one of the recipients or not when is specified. Limit processed jobs to those containing substr as a substring of the sender or not when is specified. Print verbose information. This adds the priority of the message and a single character indicator or blank) indicating whether a warning message has been sent on the first line of the message. In addition, extra lines may be intermixed with the recipients indicating the `controlling user' information. This shows who owns the programs that are executed on behalf of this message and the name of the alias this command expanded from, if any. RETURN VALUE
The utility exits with 0 on success, and >0 if an error occurs. AUTHOR
was developed by the University of California, Berkeley, and originally appeared in 4.0BSD. FILES
mail queue files for SEE ALSO
sendmail(1M). mailq(1)
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