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Full Discussion: + instead of ;
Top Forums Shell Programming and Scripting + instead of ; Post 54165 by Perderabo on Wednesday 4th of August 2004 08:18:59 PM
Old 08-04-2004
The performance gain is similar to the xargs trick.

In addition to saving one more process, this + notation has another advantage over xargs. xargs reads file names from standard input, one name per line. This means that xargs will break if a file name has an embedded newline character. It's not possible to construct a filename that will break the + notation.

The + sign is part of the posix standard. But I think it's a recent addition.
 
GIT-PACK-REDUNDANT(1)						    Git Manual						     GIT-PACK-REDUNDANT(1)

NAME
git-pack-redundant - Find redundant pack files SYNOPSIS
git pack-redundant [ --verbose ] [ --alt-odb ] < --all | .pack filename ... > DESCRIPTION
This program computes which packs in your repository are redundant. The output is suitable for piping to xargs rm if you are in the root of the repository. git pack-redundant accepts a list of objects on standard input. Any objects given will be ignored when checking which packs are required. This makes the following command useful when wanting to remove packs which contain unreachable objects. git fsck --full --unreachable | cut -d ' ' -f3 | git pack-redundant --all | xargs rm OPTIONS
--all Processes all packs. Any filenames on the command line are ignored. --alt-odb Don't require objects present in packs from alternate object directories to be present in local packs. --verbose Outputs some statistics to stderr. Has a small performance penalty. SEE ALSO
git-pack-objects(1) git-repack(1) git-prune-packed(1) GIT
Part of the git(1) suite Git 2.17.1 10/05/2018 GIT-PACK-REDUNDANT(1)
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