echo.1sh5

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 1SH5 代码 · 共 60 行

.TH echo 1sh5
.SH Name
echo \- echo arguments 
.SH Syntax
.NXR "echo arguments"
.B echo
[ arg ] ...
.SH Description
The
.PN echo
command
writes its arguments separated by blanks and terminated by
a new-line on the standard output.
It also
understands C-like escape conventions; however,
beware of conflicts with the shell's use of 
the backslash (\fB\e\fP) character:
.PP
.RS
.PD 0
.TP
.B \eb
backspace
.TP
.B \ec
print line without new-line
.TP
.B \ef
form-feed
.TP
.B \en
new-line
.TP
.B \er
carriage return
.TP
.B \et
tab
.TP
.B \ev
vertical tab
.TP
.B \e\e
backslash
.TP
.BI \e n
the 8-bit character whose \s-1ASCII\s0 code is
the 1-, 2- or 3-digit octal number
.IR n ,
which must start with a zero.
.RE
.PD
.PP
The
.PN echo
is useful for producing diagnostics in command files
and for sending known data into a pipe.
.SH See Also
sh5(1)