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\section echo echo - display a line of text
\subsection echo-synopsis Synopsis
\fish{synopsis}
echo [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
- `-h`, `--help` Display this help
\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
`echo 'Hello World'` Print hello world to stdout
`echo -e 'Top\nBottom'` Print Top and Bottom on separate lines, using an escape sequence
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