With sed replaced special character is printed twice, why?

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# 8  
For the record: GNU sed is available on Windows(UnxUtils contains GNU sed 4.0.7) and works fine with that problem. For downloads see links above.

sed -r "s#([0-9]{6})#     \"get /LADIDADI/ds01005/\1\" ^#" test.txt

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# 9  
Maybe something else generates a trailing ^ ?
Try to omit it in the sed:
sed "s#\([0-9][0-9][0-9][0-9][0-9][0-9]\)#     \"get /LADIDADI/ds01005/\1\" #"

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# 10  

As stomp has already quoted there is also CygWin.

It is a reliable *NIX-alike terminal _emulator_ for want of a better word.
It has a very large subset of tools/utilities that we expect of the UNIX environment.
AFAIK the tools/utilities are GNU compatible.
The terminal is called 'mintty' and also has a very large subset of terminal escape codes too.

There is an excellent package list for it though for anything not installed by default:

Cygwin Package List

However there are foibles.
  • It IS SLOW doing tasks compared to its REAL counterparts. It can be debilitatingly slow at times.
  • Some tools/utilities are not available from a DEFAULT install, bc, dc and hexdump were three of those but may well be implemented now.
  • I always feel Windows itself gets in the way as in writing to STDOUT seems very slow compared to a REAL *NIX environment like OSX 10.14.x, or Linux.
  • If you like attacking the HW, then don't expect an immediate response. '/dev/dsp' IS available but if you call it there could be up to a second or more delay before it starts. This is what I mean about Windows getting in the way.
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