OK, it's all good so far. But I thought the previous two options are too 'complicated' so I then try the one below but it is not giving me the result that I wanted. Can you tell me what's wrong with it?
Code:
$: sed 's#\(/db/abcp/DIR/abcp_\)\(_.*\.dbf\)#\(/db/abct/DIR/abct_\)\1#' file > file1
$: cat file1
/db/abcp/DIR/abcp_data_01.dbf
I am expecting file1 to be having /db/abct/DIR/abct_data_01.dbf as well shouldn't it be
You may be thinking why don't I just simply do 's#abcp#abct#g' instead of having to do sed 's#\(/db/abc\)p\(/DIR/abc\)p\(_.*\.dbf\)#\1t\2t\3#' file > file1. This is because I may have a line that is /db/abcp/DIR/abcp_abcp_data_01.dbf and that string is supposed to be replaced to /db/abct/DIR/abct_abcp_data_01.dbf. Hence I don't want to do a global replace.
Thanks for giving your time and effort to answer questions and helping newbies like me understand awk.
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Discussion started by: svn
5 Replies
LEARN ABOUT DEBIAN
transmission-edit
TRANSMISSION-EDIT(1) BSD General Commands Manual TRANSMISSION-EDIT(1)NAME
transmission-edit -- command-line utility to modify .torrent files' announce URLs
SYNOPSIS
transmission-edit [-h] [-a url] [-d url] [-r search replace] torrentfile(s)
DESCRIPTION
transmission-edit command-line utility to modify .torrent files' announce URLs
OPTIONS -h --help
Show a short help page and exit.
-a --add URL
Add an announce URL to the torrent's announce-list if it's not already in the list
-d --delete URL
Remove an announce URL from the torrent's announce-list
-r --replace search replace
Substring search-and-replace inside a torrent's announce URLs. This can be used to change an announce URL when the tracker moves or
your passcode changes.
EXAMPLES
Update a tracker passcode in all your torrents:
$ transmission-edit -r old-passcode new-passcode ~/.config/transmission/torrents/*.torrent
AUTHORS
Jordan Lee
SEE ALSO transmission-create(1), transmission-daemon(1), transmission-edit(1), transmission-gtk(1), transmission-qt(1), transmission-remote(1),
transmission-show(1)
http://www.transmissionbt.com/
BSD June 9, 2010 BSD
12-06-2018
