No installation. USB stick portable applications.
Swiss File Knife

a command line
multi function tool.

remove tabs
list dir sizes
find text
filter lines
find in path
collect text
instant ftp or
http server
file transfer
send text
patch text
patch binary
run own cmd
convert crlf
dup file find
md5 lists
fromto clip
split files
list latest
compare dirs
save typing
trace http
echo colors
head & tail
find classes
dep. listing
speed shell
zip search
zip dir list

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firefox add-ons

using vm linux

windows GUI

the d3caster
java game engine

free external tools,
zero install effort,
usb stick compliant:

zip and unzip
diff and merge
reformat xml
reformat source

java sources

thread creation

cpp sources

log tracing
mem tracing
using printf


stat. c array
stat. java array
var. c array
var. java array
view all text
as you type
surf over text
find by click
quick copy
multi view
find nearby
find by path
location jump
skip accents
clip match
filter lines
edit text
load filter
hotkey list
receive text
send in C++
send in Java
smooth scroll
touch scroll
fly wxWidgets
fly over Qt
search Java

back split and join large binary and text files, using the sfk split command for Windows, Mac OS X, Linux and Raspberry Pi, to enable transport or archiving on size limited media like usb stick, dvd or cd, or to work around file system limitations.
- download the free Swiss File Knife Base from Sourceforge.
- open the Windows CMD command line, Mac OS X Terminal or Linux shell.
- OS X : type mv sfk-mac-i686.exe sfk and chmod +x sfk then ./sfk
- Linux: type mv sfk-linux.exe sfk    and chmod +x sfk then ./sfk
  OS X and Linux syntax may differ, check the help within the tool.
SFK The Book - Relaxed Syntax Meditation.
sfk split partsize inputfile [outputfilebase] [-nov[erify]]

reads and splits inputfile into output files of specified size.
if output files exist already, split asks if it may overwrite;
specify -yes to overwrite outputs without asking.

partsize syntax:
    100000b  ,  100k        = 100000 bytes
    2000000k , 2000m , 2g   = 2 giga-bytes

if outputfilebase is omitted, outputfilenames will be:
if outputfilebase is given, .part1 is appended to this.

   -yes         always overwrite existing output files.
   -nov[erify]  no verify after split.
   -altsize     use different method (fseek) to read the
                file size.
   -getsize=n[:d] before splitting, read file size n times
                with a delay of d milliseconds (default=100).
   -verbose     be verbose about file size results etc.
   -buffer=xm   set I/O buffer to x MB (default=100 MB).
   -update      do not rewrite existing parts of full size.
                useful when splitting repeatedly a growing
                input file, e.g. during a download.
                -update implies -yes.
   -dig[its]=n  set minimum number of digits used for the
                .part extension. since sfk 1.6.5, sfk join
                will autodetect the number of digits.
                if output will be joined with older versions
                of sfk then -digits must stay default (1).
   -text        split at line boundaries if possible.
                cannot be combined with -update.

   sfk split 2g c:\bigfish.avi d:\transfer\easy.avi
      splits bigfish.avi into easy.avi.part1, .part2 etc.

   to rejoin the files, use the sfk join command:

   sfk join d:\transfer\easy.avi.part1 e:\full.avi
      joins easy.avi.part1, .part2 etc. into full.avi
splitting text files by no. of lines:

this is not yet supported by sfk, but for example the
cygwin split command supports this. cygwin is a large
package of commands, requiring some installation.
if you have it installed, type for example

   split --lines=10000 biginput.txt outprefix

which creates output files outprefixaa, outprefixab etc.

see also:

sfk partcopy - copy a single byte block from a binary file
sfk hexdump  - dump parts of a file for further analysis
sfk snapto   - joins all text files of a directory

sfk is a free open-source tool, running instantly without installation efforts. no DLL's,
no registry changes - just get sfk.exe from the zip package and use it (binaries for
windows, linux and mac are included).

read more about all sfk functions here.

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