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

zip and unzip
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reformat xml
reformat source

java sources

thread creation

cpp sources

log tracing
mem tracing
hexdump
using printf

articles

embedded
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
fullscreen
bookmarks
find by path
expressions
location jump
skip accents
clip match
filter lines
edit text
highlight
load filter
hotkey list
receive text
send in C++
send in Java
smooth scroll
touch scroll
fly wxWidgets
fly over Qt
search Java

write bytes given as hex sequences into a file

at a given offset, with sfk setbytes for Windows, Mac OS X, Linux and Raspberry Pi.
- 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 setbytes filename offset [data] [data2] [...]
sfk ... +setbytes filename offset

write binary or text data into a target file at an offset.

data can be given as a series of byte blocks each
starting with 0x or as plain text. all data parameters
are joined into one long byte block.

options
   -dump  create a hexdump of the changed output.
          by default only the input is shown.
   -spat  support slash patterns like foo\tbar.
          type "sfk help pat" for details.

command chaining
   accepts binary chain input.

see also
   sfk hexdump    show binary file contents
   sfk partcopy   copy part of a file

web reference
   http://stahlworks.com/sfk-setbytes

examples
   sfk setbytes out.dat 20 0xf1f2f3f4 "foo bar"
      write 4 bytes with codes f1, f2, f3, f4 into
      out.dat at offset 20 followed by the words
      "foo", a space, and "bar".
   sfk setbytes out.dat 20 -spat "foo\tbar" 0x00
      write "foo" then a TAB character then "bar"
      followed by a binary zero. note that a slash
      pattern does not support \x00 zero bytes.
   sfk echo 0xf1f2f3f4 +hextobin +setbytes out.dat 20
      write 4 bytes prepared by previous commands.
   sfk echo -pure "c:\foo.dat" +setbytes out.dat 20
      write a filename string as pure as possible,
      without pattern interpretation or (CR)LF,
      into out.dat at offset 20.
 


 
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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