tldr/pages/common/echo.md

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echo

Print given arguments. More information: https://www.gnu.org/software/coreutils/echo.

  • Print a text message. Note: quotes are optional:

echo "{{Hello World}}"

  • Print a message with environment variables:

echo "{{My path is $PATH}}"

  • Print a message without the trailing newline:

echo -n "{{Hello World}}"

  • Append a message to the file:

echo "{{Hello World}}" >> {{file.txt}}

  • Enable interpretation of backslash escapes (special characters):

echo -e "{{Column 1\tColumn 2}}"

  • Print the exit status of the last executed command (Note: In Windows Command Prompt and PowerShell the equivalent commands are echo %errorlevel% and $lastexitcode respectively):

echo $?