-#!/bin/sh
-# texi2dvi -- smartly produce DVI files from texinfo sources
-#
-# Copyright (C) 1992, 1993 Free Software Foundation.
-#
+#! /bin/sh
+# texi2dvi --- smartly produce DVI files from texinfo sources
+
+# Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+
+# $Id: texi2dvi,v 0.5 1995/06/20 02:21:36 friedman Exp $
+
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, you can either send email to this
-# program's author (see below) or write to:
-#
-# Free Software Foundation, Inc.
-# 675 Mass Ave.
-# Cambridge, MA 02139, USA.
-#
+# program's maintainer or write to: The Free Software Foundation,
+# Inc.; 59 Temple Place, Suite 330; Boston, MA 02111-1307, USA.
+
+# Commentary:
+
+# Author: Noah Friedman <friedman@prep.ai.mit.edu>
+
# Please send bug reports, etc. to bug-texinfo@prep.ai.mit.edu
# If possible, please send a copy of the output of the script called with
-# the `--debug' option when making a bug report.
-#
-# Version 0.4
-# Last modified 26-Mar-93
-#
+# the `--debug' option when making a bug report.
-# Please note that in the interest of general portability, some common
-# bourne shell constructs were avoided because they weren't guaranteed to
-# be available in some earlier implementations. I've tried to make this as
-# portable as possible.
+# In the interest of general portability, some common bourne shell
+# constructs were avoided because they weren't guaranteed to be available
+# in some earlier implementations. I've tried to make this program as
+# portable as possible. Welcome to unix, where the lowest common
+# denominator is rapidly diminishing.
#
# Among the more interesting lossages I noticed with some bourne shells
# are:
-# 1) Some don't have an `unset' builtin
-# 2) In some implementations the `shift' builtin can't take a
-# numerical argument.
-
-progname=`basename $0`
+# * No shell functions.
+# * No `unset' builtin.
+# * `shift' cannot take a numeric argument, and signals an error if
+# there are no arguments to shift.
-usage="Usage: ${progname} {-D} {-h} [file1] {file2} {...}
- {--debug} {--help}
+# Code:
- Options in braces are optional. Those in brackets are required.
-"
+# Name by which this script was invoked.
+progname=`echo "$0" | sed -e 's/[^\/]*\///g'`
-if test $# -eq 0 ; then
- echo "${usage}" 1>&2;
- exit 1
-fi
+# This string is expanded by rcs automatically when this file is checked out.
+rcs_revision='$Revision: 0.5 $'
+version=`set - $rcs_revision; echo $2`
-backup_extension=".bak"
-texindex="texindex"
-tex="tex"
-bq="\`" # To prevent hairy quoting and escaping later.
+# To prevent hairy quoting and escaping later.
+bq='`'
eq="'"
-orig_pwd="`pwd`"
-if test "z${TEXINDEX}" != "z" ; then
- texindex="${TEXINDEX}"
-fi
+usage="Usage: $progname {options} [file1] {file2 {...}}
+(version $version)
+
+Options are:
+-D, --debug Turn on shell debugging ($bq${bq}set -x$eq$eq).
+-h, --help You're looking at it.
+-v, --version Print version number.
-if test "z${TEX}" != "z" ; then
- tex="${TEX}"
-fi
+Arguments in brackets are required. Those in braces are optional.
+"
+
+# Initialize variables.
+# Don't use `unset' since old bourne shells don't have this command.
+# Instead, assign them an empty value.
+# Some of these, like TEX and TEXINDEX, may be inherited from the environment
+backup_extension=.bak
+debug=
+orig_pwd="`pwd`"
+verbose=
+texindex="${TEXINDEX-texindex}"
+tex="${TEX-tex}"
# Save this so we can construct a new TEXINPUTS path for each file to be
# processed.
-TEXINPUTS_orig="${TEXINPUTS}"
+TEXINPUTS_orig="$TEXINPUTS"
export TEXINPUTS
-# Parse command line options
-
-# "unset" option variables to make sure they weren't accidentally
-# exported
-debug=""
-
-# If you add new commands be sure to change the wildcards below to make
-# sure they are unambiguous (i.e. only match one possible long option)
-# Be sure to show at least one instance of the full long option name to
-# document what the long option is canonically called.
-while test $# -gt 0 ; do
- case z$1 in
- z-D | z--debug | z--d* )
- debug="t"
- shift
- ;;
- z-h | z--help | z--h* )
- echo "${usage}" 1>&2
- exit 1
- ;;
- z-- )
- shift
- break
- ;;
- z-* )
- echo "${progname}: ${bq}${1}${eq} is not a valid option." 1>&2
- echo "" 1>&2
- echo "${usage}" 1>&2
- exit 1
- ;;
- * )
- break
- ;;
+# Parse command line arguments.
+# Make sure that all wildcarded options are long enough to be unambiguous.
+# It's a good idea to document the full long option name in each case.
+# Long options which take arguments will need a `*' appended to the
+# canonical name to match the value appended after the `=' character.
+while : ; do
+ case $# in 0) break ;; esac
+ case "$1" in
+ -D | --debug | --d* )
+ debug=t
+ shift
+ ;;
+ -h | --help | --h* )
+ echo "$usage" 1>&2
+ exit 0
+ ;;
+ -v | --version | --v* )
+ echo "texi2dvi version $version" 1>&2
+ exit 0
+ ;;
+ -- ) # Stop option processing
+ shift
+ break
+ ;;
+ -* )
+ case "$1" in
+ --*=* ) arg=`echo "$1" | sed -e 's/=.*//'` ;;
+ * ) arg="$1" ;;
+ esac
+ exec 1>&2
+ echo "$progname: unknown or ambiguous option $bq$arg$eq"
+ echo "$progname: Use $bq--help$eq for a list of options."
+ exit 1
+ ;;
+ * )
+ break
+ ;;
esac
done
# See if there are any command line args left (which will be interpreted as
# filename arguments)
-if test $# -eq 0 ; then
- echo "${progname}: at least one file name is required as an argument." 1>&2
- echo "" 1>&2
- echo "${usage}" 1>&2
- exit 1
-fi
+case $# in
+ 0 )
+ exec 1>&2
+ echo "$progname: at least one file name is required as an argument."
+ echo "$progname: Use $bq--help$eq for a description of command syntax."
+ exit 2
+ ;;
+esac
-test "z${debug}" = "zt" && set -x
+case "$debug" in t ) set -x ;; esac
# Texify files
for command_line_filename in ${1+"$@"} ; do
# Source file might @include additional texinfo sources. Put `.' and
# directory where source file(s) reside in TEXINPUTS before anything
# else. `.' goes first to ensure that any old .aux, .cps, etc. files in
- # ${directory} don't get used in preference to fresher files in `.'.
+ # ${directory} don't get used in preference to fresher files in `.'.
TEXINPUTS=".:${directory}:${TEXINPUTS_orig}"
# "Unset" variables that might have values from previous iterations and
# able to find the right index files and so forth.
if test ! -r "${command_line_filename}" ; then
echo "${progname}: ${command_line_filename}: No such file or permission denied." 1>&2
- continue;
+ continue;
fi
# Find all files having root filename with a two-letter extension,
# that too.
possible_index_files="`eval echo ${filename_noext}.?? ${filename_noext}.aux`"
for this_file in ${possible_index_files} ; do
- # If file is empty, forget it.
+ # If file is empty, forget it.
if test ! -s "${this_file}" ; then
continue;
fi
s/^[ ]*//;s/[ ]*$//;'`"
# Now save copies of original index files so we have some means of
- # comparison later.
+ # comparison later.
for index_file_to_save in ${orig_index_files} ; do
cp "${index_file_to_save}" "${index_file_to_save}${backup_extension}"
done
s/^[ ]*//;s/[ ]*$//;'`"
# If old and new list don't at least have the same file list, then one
- # file or another has definitely changed.
+ # file or another has definitely changed.
if test "${orig_index_files}" != "${new_index_files}" ; then
index_files_changed_p=t
else
# File list is the same. We must compare each file until we find a
- # difference.
+ # difference.
index_files_changed_p=""
for this_file in ${new_index_files} ; do
- # cmp -s will return nonzero exit status if files differ.
+ # cmp -s will return nonzero exit status if files differ.
cmp -s "${this_file}" "${this_file}${backup_extension}"
if test $? -ne 0 ; then
# We only need to keep comparing until we find *one* that
# differs, because we'll have to run texindex & tex no
- # matter what.
+ # matter what.
index_files_changed_p=t
break
fi
if test "${index_files_changed_p}" ; then
retval=0
if test "${new_index_files_sans_aux}" ; then
- ${texindex} ${new_index_files_sans_aux}
+ ${texindex} ${new_index_files_sans_aux}
retval=$?
fi
if test ${retval} -eq 0 ; then
fi
# Generate list of files to delete, then call rm once with the entire
- # list. This is significantly faster than multiple executions of rm.
+ # list. This is significantly faster than multiple executions of rm.
file_list=""
for file in ${orig_index_files} ; do
file_list="${file_list} ${file}${backup_extension}"
fi
done
-#
-# eof
-#
+# texi2dvi ends here
projects / platform / upstream / bash.git / blobdiff