Replace greater than signal (">")

[gustavo.lago]

Hi!

I'm trying to replace a string in a text file, but the string has the greater sign.

original.txt file:

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url = "http://myurl/<API_KEY>/xx"

I need to replace the <API_KEY> with variable contents:

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set var=12345678
For /f "tokens=* delims=/" %%a in (original.txt) do (
  Set str=%%a
  set str=!str:<API_KEY>=%var%!
  echo !str! >>out.txt
)

I have tried the script without the <> and it works. Are there any alternatives without using third-party programs or VBS, JS, etc?

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 INFO.BAT version 1.4
--------------------------------------------------------------------------------
Windows version        :  Microsoft Windows [versão 10.0.10586]
Product name           :  Windows 10 Pro, 64 bit
Performance indicators :  Processor Cores: 4      Visible RAM: 16686620 kilobytes

Date/Time format       :  (dd/mm/yy)  23/02/2018  11:57:33,37
__APPDIR__             :  C:\Windows\System32\
ComSpec                :  C:\WINDOWS\system32\cmd.exe
PathExt                :  .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
Extensions             :  system: Enabled   user: Enabled 
Delayed expansion      :  system: Disabled  user: Disabled
Locale name            :  pt-BR       Code Pages: OEM  850    ANSI 1252
DIR  format            :  23/02/2018  09:27     7.103.500.288 pagefile.sys
Permissions            :  Elevated Admin=No, Admin group=Yes
User    AutoRun found  :      AutoRun    REG_SZ    "C:\PROGRA~2\clink\043213~1.9\clink.bat" inject --autorun 

                          Missing from the tool collection:  debug

[Squashman]

Use quotes to protect special characters.

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Set "str=%%a"
set "str=!str:<API_KEY>=%var%!"

Going to assume you have delayed expansion enabled higher up in your script.

[gustavo.lago]

So simple when you know it! Worked well!

Thank you! I've been trying this for 2 days.

[Squashman]

So simple when you know it! Worked well!

Thank you! I've been trying this for 2 days.

It is kind of buried in the help for the SET command.

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If you use any of the logical or modulus operators, you will need to enclose the expression string in quotes.