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Full Discussion: Search and compare files from two paths
Top Forums Shell Programming and Scripting Search and compare files from two paths Post 302786555 by DGPickett on Wednesday 27th of March 2013 05:35:04 PM
Old 03-27-2013
Seems like deja vu. Compare the file lists of the two directories, and the file content, using something like this:
Code:
diff -U0 <(
  cd head1
  find * -type f | sort | xargs -r cksum ) <(
  cd head2
  find * -type f | sort | xargs -r cksum ) | while read  diff_ind  cksum  sz  path
do
 case "$diff_ind" in
 (-)
  echo "Deleted file '$path'."
  ;;
 (+)
  echo "New file '$path':"
  cat head2/$path
  ;;
 (*)
  echo "Changed file '$path':"
  sdiff head1/$path head2/$path
  ;;
 esac
done

For stricter delete/new checking, use 'comm' not 'diff -U0' but no '| xargs -r cksum' until later, when you know both are present (no tab prefix is delete, one tab is new, two tabs is both). You can report new/delete on stderr and pipe others to stdout to cksum to another while read to compare cksums before running an sdiff.
Last edited by DGPickett; 03-27-2013 at 06:41 PM..
 

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LEARN ABOUT NETBSD

dh_clean

DH_CLEAN(1)                                                          Debhelper                                                         DH_CLEAN(1)

NAME

       dh_clean - clean up package build directories

SYNOPSIS

       dh_clean [debhelperoptions] [-k] [-d] [-Xitem] [path...]

DESCRIPTION

       dh_clean is a debhelper program that is responsible for cleaning up after a package is built. It removes the package build directories, and
       removes some other files including debian/files, and any detritus left behind by other debhelper commands. It also removes common files
       that should not appear in a Debian diff:
         #*# *~ DEADJOE *.orig *.rej *.SUMS TAGS .deps/* *.P *-stamp

       It does not run "make clean" to clean up after the build process. Use dh_auto_clean(1) to do things like that.

       dh_clean should be the last debhelper command run in the clean target in debian/rules.

FILES

       debian/clean
           Can list other paths to be removed.

           Note that directories listed in this file must end with a trailing slash.  Any content in these directories will be removed as well.

OPTIONS

       -k, --keep
           This is deprecated, use dh_prep(1) instead.

           The option is removed in compat 12.

       -d, --dirs-only
           Only clean the package build directories, do not clean up any other files at all.

       -Xitem --exclude=item
           Exclude files that contain item anywhere in their filename from being deleted, even if they would normally be deleted. You may use this
           option multiple times to build up a list of things to exclude.

       path ...
           Delete these paths too.

           Note that directories passed as arguments must end with a trailing slash.  Any content in these directories will be removed as well.

SEE ALSO

       debhelper(7)

       This program is a part of debhelper.

AUTHOR

       Joey Hess <joeyh@debian.org>

11.1.6ubuntu2                                                       2018-05-10                                                         DH_CLEAN(1)
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