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Top Forums Shell Programming and Scripting How to I compare 100s of files? Post 302780783 by jim mcnamara on Friday 15th of March 2013 05:39:31 AM
Old 03-15-2013
If you want good answers, please supply all of the information. Before someone gives you another answer you cannot use or understand.

1. Is there some reason why the ref file cannot be copied and sorted?
2. how often are records added to the ref file, or is it static?

We are here to help you, not to provide a coding service.
 

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GIT-SYMBOLIC-REF(1)						    Git Manual						       GIT-SYMBOLIC-REF(1)

NAME
git-symbolic-ref - Read, modify and delete symbolic refs SYNOPSIS
git symbolic-ref [-m <reason>] <name> <ref> git symbolic-ref [-q] [--short] <name> git symbolic-ref --delete [-q] <name> DESCRIPTION
Given one argument, reads which branch head the given symbolic ref refers to and outputs its path, relative to the .git/ directory. Typically you would give HEAD as the <name> argument to see which branch your working tree is on. Given two arguments, creates or updates a symbolic ref <name> to point at the given branch <ref>. Given --delete and an additional argument, deletes the given symbolic ref. A symbolic ref is a regular file that stores a string that begins with ref: refs/. For example, your .git/HEAD is a regular file whose contents is ref: refs/heads/master. OPTIONS
-d, --delete Delete the symbolic ref <name>. -q, --quiet Do not issue an error message if the <name> is not a symbolic ref but a detached HEAD; instead exit with non-zero status silently. --short When showing the value of <name> as a symbolic ref, try to shorten the value, e.g. from refs/heads/master to master. -m Update the reflog for <name> with <reason>. This is valid only when creating or updating a symbolic ref. NOTES
In the past, .git/HEAD was a symbolic link pointing at refs/heads/master. When we wanted to switch to another branch, we did ln -sf refs/heads/newbranch .git/HEAD, and when we wanted to find out which branch we are on, we did readlink .git/HEAD. But symbolic links are not entirely portable, so they are now deprecated and symbolic refs (as described above) are used by default. git symbolic-ref will exit with status 0 if the contents of the symbolic ref were printed correctly, with status 1 if the requested name is not a symbolic ref, or 128 if another error occurs. GIT
Part of the git(1) suite Git 2.17.1 10/05/2018 GIT-SYMBOLIC-REF(1)
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