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34 lines
801 B
Plaintext
34 lines
801 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# echo
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> Print given arguments.
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> More information: <https://www.gnu.org/software/coreutils/echo>.
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- Print a text message. Note: quotes are optional:
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`echo "{{Hello World}}"`
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- Print a message with environment variables:
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`echo "{{My path is $PATH}}"`
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- Print a message without the trailing newline:
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`echo -n "{{Hello World}}"`
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- Append a message to the file:
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`echo "{{Hello World}}" >> {{file.txt}}`
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- Enable interpretation of backslash escapes (special characters):
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`echo -e "{{Column 1 Column 2}}"`
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- Print the exit status of the last executed command (Note: In Windows Command Prompt and PowerShell the equivalent commands are `echo %errorlevel%` and `$lastexitcode` respectively):
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`echo $?`
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