#!/bin/sh
# -*- Mode:Shell-script; Coding:us-ascii-unix; fill-column:160 -*-

################################################################################################################################################################
##
# @file      nuke_tex.sh
# @author    Mitch Richling <https://www.mitchr.me/>
# @Copyright Copyright 1993 by Mitch Richling.  All rights reserved.
# @brief     Find or delete TeX generated files@EOL
# @Keywords  delete junk backup tex object
# @Std       sh
# @license
#
# ================================================================================================================================================================
# Copyright (c) 1994-2015, Mitchell Jay Richling <https://www.mitchr.me> 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. Neither the name of the copyright holder 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
# ================================================================================================================================================================
#
# @Notes
#
# Find .tex files, and nuke associated files generated by TeX and LaTeX in the CWD.  Extra files that have no associated .tex file will NOT be deleted -- for
# example, foo.dvi file will only be deleted if foo.tex is found in the CWD.  The only exception is a directory named 'auto' will be deleted if a any .tex file
# is fond in the CWD -- these get created by Emacs.
#
################################################################################################################################################################

#---------------------------------------------------------------------------------------------------------------------------------------------------------------
wd=`pwd`
if [ -n "$2" ] ; then
    wd="$2"
fi

if [ "$1" = "-d" -o "$1" = "-p" ] ; then
    for f in $wd/*.tex; do
        bf=`echo $f | sed "s/.tex$//"`;
        act=N
        if [ -f "$bf.tex" ] ; then
            if [ -d auto ] ; then
                if [ "$act" = "N" ] ; then
                    echo "==============================================================================="
                    echo "TEX FILE: $f"
                    act=Y
                fi
                if [ "$1" = "-d" ] ; then
                    echo "  NUKING: auto"
                    rm -rf auto
                else
                    echo "NUKEABLE: auto"
                fi
            fi
            for e in snm vrb nav tex~ bak ps tex.bak lg idv html pdf aux toc log dvi out hlog; do
                if [ -f "$bf.$e" ] ; then
                    if [ "$act" = "N" ] ; then
                        echo "==============================================================================="
                        echo "TEX FILE: $f"
                        act=Y
                    fi
                    if [ "$1" = "-d" ] ; then
                        echo "  NUKING: $bf.$e"
                        rm -f "$bf.$e"
                    else
                        echo "NUKEABLE: $bf.$e"                        
                    fi
                fi
            done
        fi
    done
else
    echo "USE: nuke_tex.sh <-d|-p>"
    echo " -p => print"
    echo " -d => delete"
fi