diff options
Diffstat (limited to 'bin/echo')
| -rw-r--r-- | bin/echo/Makefile | 5 | ||||
| -rw-r--r-- | bin/echo/echo.1 | 70 | ||||
| -rw-r--r-- | bin/echo/echo.c | 71 |
3 files changed, 146 insertions, 0 deletions
diff --git a/bin/echo/Makefile b/bin/echo/Makefile new file mode 100644 index 000000000000..772592f77049 --- /dev/null +++ b/bin/echo/Makefile @@ -0,0 +1,5 @@ +# @(#)Makefile 5.4 (Berkeley) 5/11/90 + +PROG= echo + +.include <bsd.prog.mk> diff --git a/bin/echo/echo.1 b/bin/echo/echo.1 new file mode 100644 index 000000000000..64617b912480 --- /dev/null +++ b/bin/echo/echo.1 @@ -0,0 +1,70 @@ +.\" Copyright (c) 1990 The Regents of the University of California. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)echo.1 6.8 (Berkeley) 7/27/91 +.\" +.Dd July 27, 1991 +.Dt ECHO 1 +.Os +.Sh NAME +.Nm echo +.Nd write arguments to the standard output +.Sh SYNOPSIS +.Nm echo +.Op Fl n +.Op "string ..." +.Sh DESCRIPTION +The +.Nm echo +utility writes any specified operands, separated by single blank (`` '') +characters) and followed by a newline (``\en'') character, to the standard +output. +.Pp +The following option is available: +.Bl -tag -width flag +.It Fl n +Do not print the trailing newline character. +.El +.Pp +The +.Nm echo +utility exits 0 on success, and >0 if an error occurs. +.Sh SEE ALSO +.Xr printf 1 +.Sh STANDARDS +The +.Nm echo +utility is expected to be +.St -p1003.2 +compatible. diff --git a/bin/echo/echo.c b/bin/echo/echo.c new file mode 100644 index 000000000000..b6c8262ef715 --- /dev/null +++ b/bin/echo/echo.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 1989 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +char copyright[] = +"@(#) Copyright (c) 1989 The Regents of the University of California.\n\ + All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)echo.c 5.4 (Berkeley) 4/3/91"; +#endif /* not lint */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* ARGSUSED */ +main(argc, argv) + int argc; + char **argv; +{ + int nflag; + + /* This utility may NOT do getopt(3) option parsing. */ + if (*++argv && !strcmp(*argv, "-n")) { + ++argv; + nflag = 1; + } + else + nflag = 0; + + while (*argv) { + (void)printf("%s", *argv); + if (*++argv) + putchar(' '); + } + if (!nflag) + putchar('\n'); + exit(0); +} |