mcu/tools/log_fil.pl - T800_MD_V1.6 - Gitiles

 #!/usr/bin/perl
 #
 #  Copyright Statement:
 #  --------------------
 #  This software is protected by Copyright and the information contained
 #  herein is confidential. The software may not be copied and the information
 #  contained herein may not be used or disclosed except with the written
 #  permission of MediaTek Inc. (C) 2005
 #
 #  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 #  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
 #  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
 #  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
 #  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
 #  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
 #  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
 #  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
 #  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
 #  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
 #  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
 #  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
 #
 #  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
 #  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
 #  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
 #  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
 #  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
 #
 #  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
 #  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
 #  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
 #  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
 #  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
 #
 #
 #!/usr/bin/perl
 # filter out the lines having PVCS Log
 use File::Copy;

 # Log Area Turn on Criteria:
 # 1. match $log_turnon in one line and match "^ \*-{75}" in the next line, log area begin from the next line
 $log_turnon     = " \* Below this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
 $log_turnon_slim = "\* Below this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
 # 2. match " * $Revision: ... $", " * $Modtime: ... $" or " * $Log: ... $", log area begin from this line

 # Log Area Turn on Criteria:
 # 1. match $log_turnoff and log area is before this line
 $log_turnoff     = " \* Upper this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
 $log_turnoff_slim = "\* Upper this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
 # 2. match "^ \*-{75}" and $log_turnon is not in previous line
 # 3. match "^ \*{15}\*+\/" and $log_turnon is not in previous line

 $author_turnon      = " \* Author:";
 $author_turnon_slim  = "\* Author:";

 $revision_turnon     = "\; \* Revision History";
 $revision_turnon_slim = "\;\* Revision History";

 $revision_turnoff     = "\; \******************************";
 $revision_turnoff_slim = "\;\******************************";

 #
 # parsing command arguments
 #

 my $reading;
 my $line_no;
 my $debug_print = 0; # 1 for debug; 0 for non-debug

 if (!($ARGV[0] =~ /\.(h|c|hpp|cpp|s|java|txt|inc)$/i))
 {
    &usage;
 }

 if ($#ARGV < 1)
 {
 	$TMP_FILE = "~log_fil($$).tmp";
 }
 else
 {
 	$TMP_FILE = $ARGV[1];
 }

 #
 # open source file & result file
 #
 my $SRC_FILE = $ARGV[0];
 my $is_exist = 0;
 $is_exist = 1 if -e $SRC_FILE;
 if ($is_exist == 1)
 {
 	open SRC_FILE_R , "+<$SRC_FILE" or die "cannot open $SRC_FILE\n";
 }
 else
 {
 	die "cannot find $SRC_FILE\n";
 }

 #
 # search the PVCS $Log & remove them
 #
 $is_log_area = -1;      # -1: not in a log area
                         #  0: possibly the beginning of the area
                         #  1: in a log area

 $is_author_area = -1;   # -1: not in a author area
                         #  0: possibly the beginning of the area
                         #  1: in a author area

 $is_revision_area = -1;# -1: not in a author area
                         #  0: possibly the beginning of the area
                         #  1: in a author area
 $line_no = 1;
 my $SRC_FILE_RW;
 foreach (<SRC_FILE_R>)
 {
     my $read_line = $_;
     $read_line =~ s/\r\n$/\n/;

     print "$line_no\t" if ($debug_print == 1);
     if (((index($read_line, $log_turnon) >=0) || (index($read_line, $log_turnon_slim) >=0)) && ($is_log_area == -1))
     {
         $SRC_FILE_RW .= $read_line;
         $is_log_area = 0;
         $turnon_line_no = $line_no;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
     elsif (/^\;? ?\*-{75}/)
     {
         $SRC_FILE_RW .= $read_line;
         $is_log_area = (($is_log_area == 0) && ($line_no == $turnon_line_no+1)) ? 1 : -1;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
     elsif (/^\;? ?\*{15}\*+\//)
     {
         $SRC_FILE_RW .= $read_line;
         $is_log_area = (($is_log_area == 0) && ($line_no == $turnon_line_no+1)) ? 1 : -1;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
     elsif (((index($read_line, $log_turnoff) >=0) || (index($read_line, $log_turnoff_slim) >=0)) && ($is_log_area == 1))
     {
         $SRC_FILE_RW .= $read_line;
         $is_log_area = -1;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
     elsif (/^(\;?) ?\* \$Revision:.*\$$/) # match " * $Revision: ... $"
     {
         ($1 eq '')? ($read_line =~ s/^ ?\* .*/ \* removed!/) : ($read_line =~ s/^\; \* .*/\; \* removed!/);
         $SRC_FILE_RW .= $read_line;
         $is_log_area = 1;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
     elsif (/^(\;?) ?\* \$Modtime:.*\$$/) # match " * $Modtime: ... $"
     {
         ($1 eq '')? ($read_line =~ s/^ ?\* .*/ \* removed!/) : ($read_line =~ s/^\; \* .*/\; \* removed!/);
         $SRC_FILE_RW .= $read_line;
         $is_log_area = 1;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
     elsif (/^(\;?) ?\* \$Log:.*\$$/) # match " * $Log: ... $"
     {
         ($1 eq '')? ($read_line =~ s/^ ?\* .*/ \* removed!/) : ($read_line =~ s/^\; \* .*/\; \* removed!/);
         $SRC_FILE_RW .= $read_line;
         $is_log_area = 1;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
     elsif (((index($read_line, $author_turnon) >=0) || (index($read_line, $author_turnon_slim) >=0)) && ($is_author_area == -1))
     {
         $SRC_FILE_RW .= $read_line;
         $is_author_area = 0;
         print "Author on\n" if ($debug_print == 1);
     }
     elsif (((index($read_line, $revision_turnon) >= 0) || (index($read_line, $revision_turnon_slim) >= 0)) && ($is_revision_area == -1))
     {
         $SRC_FILE_RW .= $read_line;
         $is_revision_area = 0;
         print "Revision on\n" if ($debug_print == 1);
     }
     elsif (((index($read_line, $revision_turnoff) >= 0) || (index($read_line, $revision_turnoff_slim) >= 0)) && ($is_revision_area == 1))
     {
         $SRC_FILE_RW .= $read_line;
         $is_revision_area = -1;
         print "Revision Area $is_revision_area\n"  if ($debug_print == 1);
     }
     elsif (/^\;? ?\* -{6}/)
     {
         $SRC_FILE_RW .= $read_line;
         $is_author_area = ($is_author_area == 0) ? 1 : -1;
         print "Log Area $is_log_area\n"  if ($debug_print == 1);
     }
 # Not remove author information from the scatter file.
 #    elsif ((/^\; \* -{6}/) && ($is_author_area == 0))
 #    {
 #        $SRC_FILE_RW .= $read_line;
 #        $is_author_area = 1;
 #        print "Log Area $is_author_area\n"  if ($debug_print == 1);
 #    }
     elsif ((/^\; \* -{6}/) && ($is_revision_area == 0))
     {
         $SRC_FILE_RW .= $read_line;
  #       $is_revision_area = ($is_revision_area == 0) ? 1 : -1;
         $is_revision_area = 1;
         print "Revision Area $is_revision_area\n"  if ($debug_print == 1);
     }
     else
     {
         if ($is_log_area == 1)
         {
             if ($read_line =~ /^ ?\* .*/)
             {
                 $read_line =~ s/^ ?\* .*/ \* removed!/; # For C source file log removal
             }
             elsif ($read_line =~ /^\;.*/)
             {
                 $read_line =~ s/^\;.*/\; \* removed!/; # For assembly language source file log removal
             }
             $SRC_FILE_RW .= $read_line;
             print "log removed\n" if ($debug_print == 1);
         }
         elsif ($is_author_area == 1)
         {
             if ($read_line =~ /^ ?\*\s+\S+/)
             {
                 $read_line =~ s/^ ?\*.*/ \* -------/;
             }
             elsif ($read_line =~ /^\; \*?\s+\S+/)
             {
                 if ($SRC_FILE =~ /scat\w+\.txt/i)
                 {
                     $read_line =~ s/^\; \*.*/\; \* -------/; # For scatter file author removal
                     $is_author_area = -1;
                 }
                 else
                 {
                     $read_line =~ s/^\; \*.*/\; \* -------/; # For assembly language source file author removal
                 }
             }
             else
             {
                 $is_author_area = -1;
             }
             $SRC_FILE_RW .= $read_line;
             print "author removed\n" if ($debug_print == 1);
         }
         elsif ($is_revision_area == 1)
         {
             $read_line =~ s/^\; \* .*/\; \* removed!/; # For scatter file revision history removal
             $SRC_FILE_RW .= $read_line;
             $is_revision_area = 1;
             print "Revision removed\n" if ($debug_print == 1);
         }
         else
         {
             if (($read_line =~ /^ ?\* \S{3} \d{1,2} \d{4} \S{8}/) || ($read_line =~ /^ ?\* \[MAUI_\d{8}\]/) || ($read_line =~ /^ ?\* \[MOLY_\d{8}\]/)) {
                 $read_line =~ s/^ ?\* .*/ \* removed!/; # For C source file revision history removal
             }
             elsif (($read_line =~ /^\; \* \S{3} \d{1,2} \d{4} \S{8}/) || ($read_line =~ /^\; \* \[MAUI_\d{8}\]/) || ($read_line =~ /^ ?\* \[MOLY_\d{8}\]/)) {
                 $read_line =~ s/^\; \* .*/\; \* removed!/; # For assembly language source file revision history removal
             }
             $SRC_FILE_RW .= $read_line;

             print "remained\n" if ($debug_print == 1);
         }
     }
     $line_no ++;
     if ( ( ($is_log_area != -1)||($is_author_area != -1) ) && ($line_no > 150) )
     {
         #system "echo Possible ERROR in line $SRC_FILE $line_no [$is_log_area,$is_author_area]!! >> fil.log";
         #exit(0);
     }
 } # foreach (<SRC_FILE_R>) of parsing directives: #if, #ifdef, #ifndef, #endif, #else, #elif

 if ($TMP_FILE eq $SRC_FILE)
 {
 	# clear all file content
 	truncate(SRC_FILE_R, 0);
 	seek(SRC_FILE_R, 0, 0);
 	print SRC_FILE_R $SRC_FILE_RW;
 	close SRC_FILE_R;
 }
 else
 {
 	close SRC_FILE_R;
 	open SRC_FILE_RW, ">$TMP_FILE" or die "cannot write $TMP_FILE\n";
 	print SRC_FILE_RW $SRC_FILE_RW;
 	close SRC_FILE_RW;
 	move("$TMP_FILE","$SRC_FILE") or move("$TMP_FILE","$SRC_FILE") or die "Error: log_fil can not move cover file, please check it is read only or not $SRC_FILE\n";
 }
 exit 0;


 # show usage
 sub usage
 {
 	print "USAGE: perl log_fil.pl <source file> <tmpfile>\n";
 	exit(1);
 }
	#!/usr/bin/perl
	#
	# Copyright Statement:
	# --------------------
	# This software is protected by Copyright and the information contained
	# herein is confidential. The software may not be copied and the information
	# contained herein may not be used or disclosed except with the written
	# permission of MediaTek Inc. (C) 2005
	#
	# BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
	# THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
	# RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
	# AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
	# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
	# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
	# NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
	# SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
	# SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
	# THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
	# NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
	# SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
	#
	# BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
	# LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
	# AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
	# OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
	# MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
	#
	# THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
	# WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
	# LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
	# RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
	# THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
	#
	#
	#!/usr/bin/perl
	# filter out the lines having PVCS Log
	use File::Copy;

	# Log Area Turn on Criteria:
	# 1. match $log_turnon in one line and match "^ \*-{75}" in the next line, log area begin from the next line
	$log_turnon = " \* Below this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
	$log_turnon_slim = "\* Below this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
	# 2. match " * $Revision: ... $", " * $Modtime: ... $" or " * $Log: ... $", log area begin from this line

	# Log Area Turn on Criteria:
	# 1. match $log_turnoff and log area is before this line
	$log_turnoff = " \* Upper this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
	$log_turnoff_slim = "\* Upper this line, this part is controlled by PVCS VM\. DO NOT MODIFY!!";
	# 2. match "^ \*-{75}" and $log_turnon is not in previous line
	# 3. match "^ \{15}\+\/" and $log_turnon is not in previous line

	$author_turnon = " \* Author:";
	$author_turnon_slim = "\* Author:";

	$revision_turnon = "\; \* Revision History";
	$revision_turnon_slim = "\;\* Revision History";

	$revision_turnoff = "\; \******************************";
	$revision_turnoff_slim = "\;\******************************";

	#
	# parsing command arguments
	#

	my $reading;
	my $line_no;
	my $debug_print = 0; # 1 for debug; 0 for non-debug

	if (!($ARGV[0] =~ /\.(h\|c\|hpp\|cpp\|s\|java\|txt\|inc)$/i))
	{
	&usage;
	}

	if ($#ARGV < 1)
	{
	$TMP_FILE = "~log_fil($$).tmp";
	}
	else
	{
	$TMP_FILE = $ARGV[1];
	}

	#
	# open source file & result file
	#
	my $SRC_FILE = $ARGV[0];
	my $is_exist = 0;
	$is_exist = 1 if -e $SRC_FILE;
	if ($is_exist == 1)
	{
	open SRC_FILE_R , "+<$SRC_FILE" or die "cannot open $SRC_FILE\n";
	}
	else
	{
	die "cannot find $SRC_FILE\n";
	}

	#
	# search the PVCS $Log & remove them
	#
	$is_log_area = -1; # -1: not in a log area
	# 0: possibly the beginning of the area
	# 1: in a log area

	$is_author_area = -1; # -1: not in a author area
	# 0: possibly the beginning of the area
	# 1: in a author area

	$is_revision_area = -1;# -1: not in a author area
	# 0: possibly the beginning of the area
	# 1: in a author area
	$line_no = 1;
	my $SRC_FILE_RW;
	foreach (<SRC_FILE_R>)
	{
	my $read_line = $_;
	$read_line =~ s/\r\n$/\n/;

	print "$line_no\t" if ($debug_print == 1);
	if (((index($read_line, $log_turnon) >=0) \|\| (index($read_line, $log_turnon_slim) >=0)) && ($is_log_area == -1))
	{
	$SRC_FILE_RW .= $read_line;
	$is_log_area = 0;
	$turnon_line_no = $line_no;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	elsif (/^\;? ?\*-{75}/)
	{
	$SRC_FILE_RW .= $read_line;
	$is_log_area = (($is_log_area == 0) && ($line_no == $turnon_line_no+1)) ? 1 : -1;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	elsif (/^\;? ?\{15}\+\//)
	{
	$SRC_FILE_RW .= $read_line;
	$is_log_area = (($is_log_area == 0) && ($line_no == $turnon_line_no+1)) ? 1 : -1;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	elsif (((index($read_line, $log_turnoff) >=0) \|\| (index($read_line, $log_turnoff_slim) >=0)) && ($is_log_area == 1))
	{
	$SRC_FILE_RW .= $read_line;
	$is_log_area = -1;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	elsif (/^(\;?) ?\* \$Revision:.\$$/) # match " $Revision: ... $"
	{
	($1 eq '')? ($read_line =~ s/^ ?\* ./ \ removed!/) : ($read_line =~ s/^\; \* ./\; \ removed!/);
	$SRC_FILE_RW .= $read_line;
	$is_log_area = 1;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	elsif (/^(\;?) ?\* \$Modtime:.\$$/) # match " $Modtime: ... $"
	{
	($1 eq '')? ($read_line =~ s/^ ?\* ./ \ removed!/) : ($read_line =~ s/^\; \* ./\; \ removed!/);
	$SRC_FILE_RW .= $read_line;
	$is_log_area = 1;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	elsif (/^(\;?) ?\* \$Log:.\$$/) # match " $Log: ... $"
	{
	($1 eq '')? ($read_line =~ s/^ ?\* ./ \ removed!/) : ($read_line =~ s/^\; \* ./\; \ removed!/);
	$SRC_FILE_RW .= $read_line;
	$is_log_area = 1;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	elsif (((index($read_line, $author_turnon) >=0) \|\| (index($read_line, $author_turnon_slim) >=0)) && ($is_author_area == -1))
	{
	$SRC_FILE_RW .= $read_line;
	$is_author_area = 0;
	print "Author on\n" if ($debug_print == 1);
	}
	elsif (((index($read_line, $revision_turnon) >= 0) \|\| (index($read_line, $revision_turnon_slim) >= 0)) && ($is_revision_area == -1))
	{
	$SRC_FILE_RW .= $read_line;
	$is_revision_area = 0;
	print "Revision on\n" if ($debug_print == 1);
	}
	elsif (((index($read_line, $revision_turnoff) >= 0) \|\| (index($read_line, $revision_turnoff_slim) >= 0)) && ($is_revision_area == 1))
	{
	$SRC_FILE_RW .= $read_line;
	$is_revision_area = -1;
	print "Revision Area $is_revision_area\n" if ($debug_print == 1);
	}
	elsif (/^\;? ?\* -{6}/)
	{
	$SRC_FILE_RW .= $read_line;
	$is_author_area = ($is_author_area == 0) ? 1 : -1;
	print "Log Area $is_log_area\n" if ($debug_print == 1);
	}
	# Not remove author information from the scatter file.
	# elsif ((/^\; \* -{6}/) && ($is_author_area == 0))
	# {
	# $SRC_FILE_RW .= $read_line;
	# $is_author_area = 1;
	# print "Log Area $is_author_area\n" if ($debug_print == 1);
	# }
	elsif ((/^\; \* -{6}/) && ($is_revision_area == 0))
	{
	$SRC_FILE_RW .= $read_line;
	# $is_revision_area = ($is_revision_area == 0) ? 1 : -1;
	$is_revision_area = 1;
	print "Revision Area $is_revision_area\n" if ($debug_print == 1);
	}
	else
	{
	if ($is_log_area == 1)
	{
	if ($read_line =~ /^ ?\* .*/)
	{
	$read_line =~ s/^ ?\* ./ \ removed!/; # For C source file log removal
	}
	elsif ($read_line =~ /^\;.*/)
	{
	$read_line =~ s/^\;./\; \ removed!/; # For assembly language source file log removal
	}
	$SRC_FILE_RW .= $read_line;
	print "log removed\n" if ($debug_print == 1);
	}
	elsif ($is_author_area == 1)
	{
	if ($read_line =~ /^ ?\*\s+\S+/)
	{
	$read_line =~ s/^ ?\./ \* -------/;
	}
	elsif ($read_line =~ /^\; \*?\s+\S+/)
	{
	if ($SRC_FILE =~ /scat\w+\.txt/i)
	{
	$read_line =~ s/^\; \./\; \* -------/; # For scatter file author removal
	$is_author_area = -1;
	}
	else
	{
	$read_line =~ s/^\; \./\; \* -------/; # For assembly language source file author removal
	}
	}
	else
	{
	$is_author_area = -1;
	}
	$SRC_FILE_RW .= $read_line;
	print "author removed\n" if ($debug_print == 1);
	}
	elsif ($is_revision_area == 1)
	{
	$read_line =~ s/^\; \* ./\; \ removed!/; # For scatter file revision history removal
	$SRC_FILE_RW .= $read_line;
	$is_revision_area = 1;
	print "Revision removed\n" if ($debug_print == 1);
	}
	else
	{
	if (($read_line =~ /^ ?\* \S{3} \d{1,2} \d{4} \S{8}/) \|\| ($read_line =~ /^ ?\* \[MAUI_\d{8}\]/) \|\| ($read_line =~ /^ ?\* \[MOLY_\d{8}\]/)) {
	$read_line =~ s/^ ?\* ./ \ removed!/; # For C source file revision history removal
	}
	elsif (($read_line =~ /^\; \* \S{3} \d{1,2} \d{4} \S{8}/) \|\| ($read_line =~ /^\; \* \[MAUI_\d{8}\]/) \|\| ($read_line =~ /^ ?\* \[MOLY_\d{8}\]/)) {
	$read_line =~ s/^\; \* ./\; \ removed!/; # For assembly language source file revision history removal
	}
	$SRC_FILE_RW .= $read_line;

	print "remained\n" if ($debug_print == 1);
	}
	}
	$line_no ++;
	if ( ( ($is_log_area != -1)\|\|($is_author_area != -1) ) && ($line_no > 150) )
	{
	#system "echo Possible ERROR in line $SRC_FILE $line_no [$is_log_area,$is_author_area]!! >> fil.log";
	#exit(0);
	}
	} # foreach (<SRC_FILE_R>) of parsing directives: #if, #ifdef, #ifndef, #endif, #else, #elif

	if ($TMP_FILE eq $SRC_FILE)
	{
	# clear all file content
	truncate(SRC_FILE_R, 0);
	seek(SRC_FILE_R, 0, 0);
	print SRC_FILE_R $SRC_FILE_RW;
	close SRC_FILE_R;
	}
	else
	{
	close SRC_FILE_R;
	open SRC_FILE_RW, ">$TMP_FILE" or die "cannot write $TMP_FILE\n";
	print SRC_FILE_RW $SRC_FILE_RW;
	close SRC_FILE_RW;
	move("$TMP_FILE","$SRC_FILE") or move("$TMP_FILE","$SRC_FILE") or die "Error: log_fil can not move cover file, please check it is read only or not $SRC_FILE\n";
	}
	exit 0;


	# show usage
	sub usage
	{
	print "USAGE: perl log_fil.pl <source file> <tmpfile>\n";
	exit(1);
	}