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Top Forums Shell Programming and Scripting Sed: find and replace backwards, until string Post 302950191 by drbiloukos on Wednesday 22nd of July 2015 09:16:21 AM
Old 07-22-2015
Sed: find and replace backwards, until string

Some help please:
Need to find string ||(everything in front of it)B0300|| and replace it with ||0|| globally

In:
16112121||||0||0||0||0||0||52||52||0||0||0||0||1507200053342B0300||1507200053342B0300||0||0||0||0700

Out:
16112121||||0||0||0||0||0||52||52||0||0||0||0||0||0||0||0||0||0700

1507200053342 may differ each time.

sed 's/dont know how to do this:-)B0300||/||0||/g'

Thank you in advance for any help
 

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Mail::SpamAssassin::Plugin::Hashcash(3pm)		User Contributed Perl Documentation		 Mail::SpamAssassin::Plugin::Hashcash(3pm)

NAME
Mail::SpamAssassin::Plugin::Hashcash - perform hashcash verification tests SYNOPSIS
loadplugin Mail::SpamAssassin::Plugin::Hashcash DESCRIPTION
Hashcash is a payment system for email where CPU cycles used as the basis for an e-cash system. This plugin makes it possible to use valid hashcash tokens added by mail programs as a bonus for messages. USER SETTINGS
use_hashcash { 1 | 0 } (default: 1) Whether to use hashcash, if it is available. hashcash_accept user@example.com ... Used to specify addresses that we accept HashCash tokens for. You should set it to match all the addresses that you may receive mail at. Like whitelist and blacklist entries, the addresses are file-glob-style patterns, so "friend@somewhere.com", "*@isp.com", or "*.domain.net" will all work. Specifically, "*" and "?" are allowed, but all other metacharacters are not. Regular expressions are not used for security reasons. The sequence %u is replaced with the current user's username, which is useful for ISPs or multi-user domains. Multiple addresses per line, separated by spaces, is OK. Multiple "hashcash_accept" lines is also OK. hashcash_doublespend_path /path/to/file (default: ~/.spamassassin/hashcash_seen) Path for HashCash double-spend database. HashCash tokens are only usable once, so their use is tracked in this database to avoid providing a loophole. By default, each user has their own, in their "~/.spamassassin" directory with mode 0700/0600. Note that once a token is 'spent' it is written to this file, and double-spending of a hashcash token makes it invalid, so this is not suitable for sharing between multiple users. hashcash_doublespend_file_mode (default: 0700) The file mode bits used for the HashCash double-spend database file. Make sure you specify this using the 'x' mode bits set, as it may also be used to create directories. However, if a file is created, the resulting file will not have any execute bits set (the umask is set to 111). perl v5.14.2 2011-06-06 Mail::SpamAssassin::Plugin::Hashcash(3pm)
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