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Full Discussion: Using sed or awk to replace digits in files
Top Forums UNIX for Beginners Questions & Answers Using sed or awk to replace digits in files Post 303039450 by duke0001 on Saturday 5th of October 2019 12:23:39 PM
Old 10-05-2019
Scrutinizer:

Thanks for advice. I have tested with your input and command like this:
Code:
sed 's/[0-9]\{7\}/2019304/; s/[0-9]\{4\}\.[0-9]\{3\}/1910.304/' test_file1.txt

Then output is what I need.
Code:
/dw300/data/obe/2019304.L800JR.1910.304

At this time, replacement digits is manually entered. In real situation, I will use parameter for replacement digits.

Thanks a lot for your help. I would welcome other experts to comment on my command to see whether there are better ways to do this work.
Last edited by duke0001; 10-05-2019 at 04:46 PM..
 

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LEARN ABOUT DEBIAN

git-replace

GIT-REPLACE(1)							    Git Manual							    GIT-REPLACE(1)

NAME

       git-replace - Create, list, delete refs to replace objects

SYNOPSIS

       git replace [-f] <object> <replacement>
       git replace -d <object>...
       git replace -l [<pattern>]

DESCRIPTION

       Adds a replace reference in .git/refs/replace/

       The name of the replace reference is the SHA1 of the object that is replaced. The content of the replace reference is the SHA1 of the
       replacement object.

       Unless -f is given, the replace reference must not yet exist in .git/refs/replace/ directory.

       Replacement references will be used by default by all git commands except those doing reachability traversal (prune, pack transfer and
       fsck).

       It is possible to disable use of replacement references for any command using the --no-replace-objects option just after git.

       For example if commit foo has been replaced by commit bar:

	   $ git --no-replace-objects cat-file commit foo

       shows information about commit foo, while:

	   $ git cat-file commit foo

       shows information about commit bar.

       The GIT_NO_REPLACE_OBJECTS environment variable can be set to achieve the same effect as the --no-replace-objects option.

OPTIONS

       -f
	   If an existing replace ref for the same object exists, it will be overwritten (instead of failing).

       -d
	   Delete existing replace refs for the given objects.

       -l <pattern>
	   List replace refs for objects that match the given pattern (or all if no pattern is given). Typing "git replace" without arguments,
	   also lists all replace refs.

BUGS

       Comparing blobs or trees that have been replaced with those that replace them will not work properly. And using git reset --hard to go back
       to a replaced commit will move the branch to the replacement commit instead of the replaced commit.

       There may be other problems when using git rev-list related to pending objects. And of course things may break if an object of one type is
       replaced by an object of another type (for example a blob replaced by a commit).

SEE ALSO

       git-tag(1) git-branch(1) git(1)

GIT

       Part of the git(1) suite

Git 1.7.10.4							    11/24/2012							    GIT-REPLACE(1)
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