Swiss File Knife - A Command Line Tools Collection

Download and run SFK for Windows, Linux and Mac OS/X as described on the desktop site. It will show this main help text:
SFK - The Swiss File Knife Multi Function Tool.
Release 1.9.6.2 Base/XD of Feb 22 2020.
StahlWorks Technologies, http://stahlworks.com/
Distributed for free under the BSD License, without any warranty.

type "sfk commandname" for help on any of the following.
some commands require to add "-help" for the help text.

file system
   sfk list       - list directory tree contents.
                    list latest, oldest or biggest files.
                    list directory differences.
                    list zip jar tar gz bz2 contents.
   sfk olist      - list office files in a folder,
                    like .docx .xlsx .ods .odt
   sfk filefind   - find files by filename
   sfk treesize   - show directory size statistics
   sfk copy       - copy directory trees additively
   sfk sync       - mirror tree content with deletion
   sfk rename     - flexible multi file rename
   sfk partcopy   - copy part from a file into another one
   sfk mkdir      - create directory tree
   sfk delete     - delete files and folders
   sfk deltree    - delete whole directory tree
   sfk deblank    - remove blanks in filenames
   sfk space [-h] - tell total and free size of volume
   sfk filetime   - tell times of a file
   sfk touch      - change times of a file
   sfk index      - create index file(s) for fast lookup
   sfk name       - lookup file names using index files
   sfk fixfile    - change bad filenames and file times
   sfk setbytes   - set bytes at offset within a file

compression
   sfk zip        - create zip file from folder
   sfk zipto      - zip selected file list
   sfk unzip      - list or extract zip file
   sfk checkzip   - verify zip file content

conversion
   sfk oload      - load office file content as text
   sfk lf-to-crlf - convert from LF to CRLF line endings
   sfk crlf-to-lf - convert from CRLF to LF line endings
   sfk detab      - convert TAB characters to spaces
   sfk entab      - convert groups of spaces to TAB chars
   sfk scantab    - list files containing TAB characters
   sfk split      - split large files into smaller ones
   sfk join       - join small files into a large one
   sfk csvtotab   - convert .csv data to tab separated
   sfk tabtocsv   - convert tab separated to .csv format
   sfk encode     - convert data to base64 or hex format
   sfk decode     - decode base64, hex or url format
   sfk wtoa       - convert wide chars to Ansi
   sfk wtou       - convert wide chars to UTF-8
   sfk utoa       - convert UTF-8 text to Ansi
   sfk hexdump    - create hexdump from a binary file
   sfk hextobin   - convert hex data to binary
   sfk hex        - convert decimal number(s) to hex
   sfk dec        - convert hex number(s) to decimal
   sfk chars      - print chars for a list of codes
   sfk bin-to-src - convert binary to source code

text processing
   sfk filter     - search, filter and replace text data
   sfk ofilter    - filter  text from an office file
   sfk replace    - replace words in binary and text files
   sfk xed        - edit stream text using sfk expressions
   sfk xex        - extract from stream text using expressions
   sfk xreplace   - XE: replace in files using sfk expressions
   sfk run        - run external command on all files of a folder
   sfk runloop    - run a command n times in a loop
   sfk printloop  - print some text many times
   sfk load       - load file content for further processing
   sfk perline    - run sfk command(s) per input text line
   sfk head       - print first lines of a file
   sfk tail       - print last lines of a file
   sfk snapto     - join many text files into one file
   sfk addhead    - insert string at start of text lines
   sfk addtail    - append string at end of text lines
   sfk joinlines  - join text lines split by email reformatting
   sfk strings    - extract strings from a binary file
   sfk sort       - sort text lines produced by another command
   sfk count      - count text lines, filter identical lines
   sfk difflines  - show text lines differing between files
   sfk linelen    - tell length of string(s)

search and compare
   sfk xfind      - search in text files using
                    wildcards and simple expressions
   sfk ofind      - search in office files .docx .xlsx .ods
   sfk xfindbin   - search in text and binary files
   sfk xhexfind   - search with hexdump output
   sfk extract    - extract data from text and binary
   sfk find       - search static text, without wildcards
   sfk hexfind    - search static binary data
   sfk md5gento   - create list of md5 checksums over files
   sfk md5check   - verify list of md5 checksums over files
   sfk md5        - calc md5 over a file, compare two files
   sfk pathfind   - search PATH for location of a command
   sfk reflist    - list fuzzy references between files
   sfk deplist    - list fuzzy dependencies between files
   sfk dupfind    - find duplicate files by content

networking
   sfk httpserv   - run an instant HTTP server.
                    type "sfk httpserv -help" for help.
   sfk ftpserv    - run an instant FTP server
                    type "sfk ftpserv -help" for help.
   sfk ftp        - instant FTP client
   sfk web        - send HTTP request to a server
   sfk wget       - download HTTP file from the web
   sfk tcpdump    - print TCP conversation between programs
   sfk udpdump    - print incoming UDP requests
   sfk udpsend    - send UDP requests
   sfk ip         - tell own machine's IP address(es).
                    type "sfk ip -help" for help.
   sfk netlog     - send text outputs to network,
                    and/or file, and/or terminal
   sfk fromnet -h - receive and print network text
   sfk ping       - ping multiple machines in one go

scripting
   sfk help chain - how to combine multiple commands
   sfk script     - run many sfk commands in a script file
   sfk label      - define starting points within a script
   sfk call       - call a sub function at a label
   sfk echo       - print (coloured) text to terminal
   sfk color      - change text color of terminal
   sfk setvar     - put text into an sfk variable
   sfk storetext  - store text in memory for later use
   sfk alias      - create command from other commands
   sfk mkcd       - create command to reenter directory
   sfk sleep      - delay execution for milliseconds
   sfk pause      - wait for user input
   sfk stop       - stop sfk script execution
   sfk tee        - split command output in two streams
   sfk tofile     - save command output to a file
   sfk toterm     - flush command output to terminal
   sfk for        - repeat commands many times
   sfk loop       - repeat execution of all commands
   sfk cd         - change directory within a script
   sfk getcwd     - print the current working directory
   sfk require    - compare version text
   sfk time [-h]  - print current date and time

development
   sfk bin-to-src - convert binary data to source code
   sfk make-random-file - create file with random data
   sfk fuzz       - change file at random, for testing
   sfk sample     - print example code for programming
   sfk patch      - change text files through a script
   sfk inst       - instrument c++ with tracing calls

diverse
   sfk view       - show text output in a GUI tool,
                    for interactive browse and filter
   sfk status     - send colored status to the SFKTray
                    Windows GUI utility for display
   sfk calc       - do a simple instant calculation
   sfk random     - create a random number
   sfk prompt     - ask for user input
   sfk number     - print number in diverse formats
   sfk xmlform    - reformat xml  for easy viewing
   sfk jsonform   - reformat json for easy viewing
   sfk media      - cut video and binary files
   sfk toclip     - copy command output to clipboard
   sfk fromclip   - read text from clipboard
   sfk env        - search environment variables
   sfk version    - show version of a binary file
   sfk ascii      - list Ansi codepage characters
   sfk ascii -dos - list OEM  codepage characters
   sfk spell      - phonetic spelling for telephone
   sfk cmd        - print an example command
   sfk data       - create random test data
   sfk ruler      - measure console text width
   sfk license    - print the SFK license text
   sfk update     - check for SFK updates

help by subject
   sfk help office   - how to search in office files
   sfk help select   - how dirs and files are selected in sfk
   sfk help options  - general options reference
   sfk help patterns - wildcards and text patterns within sfk
   sfk help chain    - how to combine (chain) multiple commands
   sfk help var      - how to use sfk variables and parameters
   sfk samp          - example scripts on sfk use and for
                       http web access automation
   sfk help shell    - how to optimize the windows command prompt
   sfk help chars    - about locale specific characters
   sfk help nocase   - about case insensitive search
   sfk help unicode  - about unicode file reading support
   sfk help colors   - how to change result colors
   sfk help compile  - how to compile sfk on any linux system

sfk currently uses these environment variables:

   SFK_COLORS=head:4,examp:4,file:1,hit:4,rep:6

first time user?
 
   type "sfk basic" for very basic informations about
   how to select files, general options, shell preparation,
   complex <>|!&?* character issues and color setup.

to search ALL help text for a topic:

   type "sfk ask word1"    to search all for word1.
   type "sfk ask w1 w2"    to search all for w1 or w2.
   type "sfk dumphelp"     to print ALL help text.

+----------------------------------------------------------+
|     Consider these addons to boost your daily work:      |
|----------------------------------------------------------|
|  SFK E-Book : A PDF optimized for your smart phone.      |
|  SFK P-Book : '100 Command Line Tools' - on Amazon.      |
|  DView      : Search masses of text as fast as possible. |
|  SFKTray    : 27 batch status lights on your desktop.    |
|  SFK XE     : High performance replace in files.         |
|----------------------------------------------------------|
|          Read more under: www.stahlworks.com             |
+----------------------------------------------------------+