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Full Discussion: UNIX utility to find difference in folder, file and contents of file against a base version
Top Forums UNIX for Beginners Questions & Answers UNIX utility to find difference in folder, file and contents of file against a base version Post 302985939 by drl on Thursday 17th of November 2016 07:14:09 AM
Old 11-17-2016
Hi.

I'd start with cmptree, from the following list of possibilities.
Code:
cmptree Compare directory trees recursively and report the differences. (what)
Path    : ~/bin/cmptree
Length  : 183 lines
Type    : Bourne-Again shell script, ASCII text executable
Shebang : #!/bin/bash

Possibilities:
Code:
Difference, similarity, compare

        1) diff, standard

        2) cmp, standard

        3) dwdiff, cdif (local), word differences

        4) cmptree (local), dirdiff (GUI), compare directory trees
           http://www.drdobbs.com/the-shell-corner-cmptree/199103123 (2016.11)

        5) docdiff, compare by character, word, line, numerous output formats

        6) meld (GUI), diff and merge files

        7) numdiff, my-ndiff (local), snd (local), compare numerically

        8) comm, standard, compare 2 sorted files, 3 column output

        9) comm-split (local), compare like comm, but split output to
           separate files.

        10) multi-comm (local), compare n files, need not be sorted

        11) contrast (local), like comm, needs no sort, symmetric and
        simple differences, intersection, union

        12) diff.pl, perl work-alike for diff
            https://metacpan.org/pod/distribution/PerlPowerTools/bin/diff

        13) multi-diff (local), common lines, multiple files, re-write omitting common lines

        14) psame (local), find similarity between 2 text files

        15) fdupes, rdfind, duff, find duplicate files

        16) dateutils.ddiff, find difference in dates, times

In this environment:
Code:
OS, ker|rel, machine: Linux, 3.16.0-4-amd64, x86_64
Distribution        : Debian 8.6 (jessie)

Best wishes ... cheers, drl
 

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LEARN ABOUT X11R4

new

NEW(1)                                                               [nmh-1.5]                                                              NEW(1)

NAME

       new - report on folders with new messages

       fnext - set current folder to next folder with new messages

       fprev - set current folder to previous folder with new messages

       unseen - scan new messages in all folders with new messages

SYNOPSIS

       new [sequences] [-mode mode] [-folders foldersfile] [-version] [-help]

       fnext is equivalent to new -mode fnext

       fprev is equivalent to new -mode fprev

       unseen is equivalent to new -mode unseen

DESCRIPTION

       New  in  its  default  mode  produces  a  one-line-per-folder  listing of all folders containing messages in the listed sequences or in the
       sequences listed in the profile entry "Unseen-Sequence".  Each line contains the folder, the number of messages in the  desired  sequences,
       and the message lists from the .mh_sequences file.  For example:

            foo     11.* 40-50
            bar    380.  760-772 824-828
             total    391.

       The `*' on foo indicates that it is the current folder.  The last line shows the total number of messages in the desired sequences.

       New crawls the folder hierarchy recursively to find all folders, and prints them in lexicographic order.  Override this behavior by provid-
       ing foldersfile containing the pre-sorted list of folders new should check, one per line.

       In fnext and fprev modes, new instead changes to the next or previous matching folder, respectively.

       In unseen mode, new executes scan sequences for each matching folder.

FILES

       $HOME/.mh_profile          The user profile

PROFILE COMPONENTS

       Path:                To determine the user's nmh directory
       Current-Folder:      To find the default current folder
       Unseen-Sequence:     The name of the unseen message sequence

SEE ALSO

       scan(1), mh-format(5)

HISTORY

       Based on Luke Mewburn's new (http://www.mewburn.net/luke/src/new).

MH.6.8                                                             11 June 2012                                                             NEW(1)
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