components/foomatic/filters/Solaris/wecho.sh

   1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21
  22 #
  23 # Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
  24 #
  25
  26 #
  27 # Description: wrapper to emulate the GNU echo (gecho)
  28 #
  29 # Options from the man page for GNU echo ...
  30 #
  31 #    Echo the STRING(s) to standard output.
  32 #
  33 #    -n   do not output the trailing newline
  34 #
  35 #    -e   enable interpretation of the backslash-escaped  characters listed
  36 #         below:
  37 #              the character whose ASCII code is NNN (octal)
  38 #                   \h|120u+0ubackslash
  39 #                   alert (BEL)
  40 #                   backspace
  41 #                   suppress trailing newline
  42 #                   form feed
  43 #                   new line
  44 #                   carriage return
  45 #                   horizontal tab
  46 #                   vertical tab
  47 #
  48
  49 nflag=0
  50 eflag=0
  51
  52 while getopts en name
  53 do
  54   case $name in
  55     n) nflag=1;;
  56     e) eflag=1;;
  57     ?) printf "Usage: %s: [-e] [-n] string\n"  $0
  58        exit 2;;
  59   esac
  60 done
  61
  62 shift $(($OPTIND - 1))
  63
  64 if [ ${nflag} -ne 1 ]
  65 then
  66   exec /usr/bin/echo "$*"
  67 else
  68   exec /usr/bin/echo "$*\c"
  69 fi
  70
  71 exit 1