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sphinx_doc_src/cmds/echo.rst

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+\section echo echo - display a line of text
+
+\subsection echo-synopsis Synopsis
+\fish{synopsis}
+echo [OPTIONS] [STRING]
+\endfish
+
+\subsection echo-description Description
+
+`echo` displays a string of text.
+
+The following options are available:
+
+- `-n`, Do not output a newline
+
+- `-s`, Do not separate arguments with spaces
+
+- `-E`, Disable interpretation of backslash escapes (default)
+
+- `-e`, Enable interpretation of backslash escapes
+
+\subsection echo-escapes Escape Sequences
+
+If `-e` is used, the following sequences are recognized:
+
+- `\` backslash
+
+- `\a` alert (BEL)
+
+- `\b` backspace
+
+- `\c` produce no further output
+
+- `\e` escape
+
+- `\f` form feed
+
+- `\n` new line
+
+- `\r` carriage return
+
+- `\t` horizontal tab
+
+- `\v` vertical tab
+
+- `\0NNN` byte with octal value NNN (1 to 3 digits)
+
+- `\xHH` byte with hexadecimal value HH (1 to 2 digits)
+
+\subsection echo-example Example
+
+\fish
+echo 'Hello World'
+\endfish
+Print hello world to stdout
+
+\fish
+echo -e 'Top\\nBottom'
+\endfish
+Print Top and Bottom on separate lines, using an escape sequence