1#! @PERL@ 2 3##--------------------------------------------------------------------## 4##--- Massif's results printer ms_print.in ---## 5##--------------------------------------------------------------------## 6 7# This file is part of Massif, a Valgrind tool for profiling memory 8# usage of programs. 9# 10# Copyright (C) 2007-2007 Nicholas Nethercote 11# njn@valgrind.org 12# 13# This program is free software; you can redistribute it and/or 14# modify it under the terms of the GNU General Public License as 15# published by the Free Software Foundation; either version 2 of the 16# License, or (at your option) any later version. 17# 18# This program is distributed in the hope that it will be useful, but 19# WITHOUT ANY WARRANTY; without even the implied warranty of 20# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21# General Public License for more details. 22# 23# You should have received a copy of the GNU General Public License 24# along with this program; if not, write to the Free Software 25# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 26# 02111-1307, USA. 27# 28# The GNU General Public License is contained in the file COPYING. 29 30use warnings; 31use strict; 32 33#---------------------------------------------------------------------------- 34# Global variables, main data structures 35#---------------------------------------------------------------------------- 36 37# Command line of profiled program. 38my $cmd; 39 40# Time unit used in profile. 41my $time_unit; 42 43# Threshold dictating what percentage an entry must represent for us to 44# bother showing it. 45my $threshold = 1.0; 46 47# Graph x and y dimensions. 48my $graph_x = 72; 49my $graph_y = 20; 50 51# Input file name 52my $input_file = undef; 53 54# Tmp file name. 55my $tmp_file = "ms_print.tmp.$$"; 56 57# Version number. 58my $version = "@VERSION@"; 59 60# Args passed, for printing. 61my $ms_print_args; 62 63# Usage message. 64my $usage = <<END 65usage: ms_print [options] massif-out-file 66 67 options for the user, with defaults in [ ], are: 68 -h --help show this message 69 --version show version 70 --threshold=<m.n> significance threshold, in percent [$threshold] 71 --x=<4..1000> graph width, in columns [72] 72 --y=<4..1000> graph height, in rows [20] 73 74 ms_print is Copyright (C) 2007-2007 Nicholas Nethercote. 75 and licensed under the GNU General Public License, version 2. 76 Bug reports, feedback, admiration, abuse, etc, to: njn\@valgrind.org. 77 78END 79; 80 81# Used in various places of output. 82my $fancy = '-' x 80; 83my $fancy_nl = $fancy . "\n"; 84 85# Returns 0 if the denominator is 0. 86sub safe_div_0($$) 87{ 88 my ($x, $y) = @_; 89 return ($y ? $x / $y : 0); 90} 91 92#----------------------------------------------------------------------------- 93# Argument and option handling 94#----------------------------------------------------------------------------- 95sub process_cmd_line() 96{ 97 my @files; 98 99 # Grab a copy of the arguments, for printing later. 100 for my $arg (@ARGV) { 101 $ms_print_args .= " $arg"; # The arguments. 102 } 103 104 for my $arg (@ARGV) { 105 106 # Option handling 107 if ($arg =~ /^-/) { 108 109 # --version 110 if ($arg =~ /^--version$/) { 111 die("ms_print-$version\n"); 112 113 # --threshold=X (tolerates a trailing '%') 114 } elsif ($arg =~ /^--threshold=([\d\.]+)%?$/) { 115 $threshold = $1; 116 ($1 >= 0 && $1 <= 100) or die($usage); 117 118 } elsif ($arg =~ /^--x=(\d+)$/) { 119 $graph_x = $1; 120 (4 <= $graph_x && $graph_x <= 1000) or die($usage); 121 122 } elsif ($arg =~ /^--y=(\d+)$/) { 123 $graph_y = $1; 124 (4 <= $graph_y && $graph_y <= 1000) or die($usage); 125 126 } else { # -h and --help fall under this case 127 die($usage); 128 } 129 } else { 130 # Not an option. Remember it as a filename. 131 push(@files, $arg); 132 } 133 } 134 135 # Must have chosen exactly one input file. 136 if (scalar @files) { 137 $input_file = $files[0]; 138 } else { 139 die($usage); 140 } 141} 142 143#----------------------------------------------------------------------------- 144# Reading the input file: auxiliary functions 145#----------------------------------------------------------------------------- 146 147# Gets the next line, stripping comments and skipping blanks. 148# Returns undef at EOF. 149sub get_line() 150{ 151 while (my $line = <INPUTFILE>) { 152 $line =~ s/#.*$//; # remove comments 153 if ($line !~ /^\s*$/) { 154 return $line; # return $line if non-empty 155 } 156 } 157 return undef; # EOF: return undef 158} 159 160sub equals_num_line($$) 161{ 162 my ($line, $fieldname) = @_; 163 defined($line) 164 or die("Line $.: expected \"$fieldname\" line, got end of file\n"); 165 $line =~ s/^$fieldname=(.*)\s*$// 166 or die("Line $.: expected \"$fieldname\" line, got:\n$line"); 167 return $1; 168} 169 170sub is_significant_XPt($$$) 171{ 172 my ($is_top_node, $xpt_szB, $total_szB) = @_; 173 ($xpt_szB <= $total_szB) or die; 174 # Nb: we always consider the alloc-XPt significant, even if the size is 175 # zero. 176 return $is_top_node || 0 == $threshold || 177 ( $total_szB != 0 && $xpt_szB * 100 / $total_szB >= $threshold ); 178} 179 180#----------------------------------------------------------------------------- 181# Reading the input file: reading heap trees 182#----------------------------------------------------------------------------- 183 184# Forward declaration, because it's recursive. 185sub read_heap_tree($$$$$); 186 187# Return pair: if the tree was significant, both are zero. If it was 188# insignificant, the first element is 1 and the second is the number of 189# bytes. 190sub read_heap_tree($$$$$) 191{ 192 # Read the line and determine if it is significant. 193 my ($is_top_node, $this_prefix, $child_midfix, $arrow, $mem_total_B) = @_; 194 my $line = get_line(); 195 (defined $line and $line =~ /^\s*n(\d+):\s*(\d+)(.*)$/) 196 or die("Line $.: expected a tree node line, got:\n$line\n"); 197 my $n_children = $1; 198 my $bytes = $2; 199 my $details = $3; 200 my $perc = safe_div_0(100 * $bytes, $mem_total_B); 201 # Nb: we always print the alloc-XPt, even if its size is zero. 202 my $is_significant = is_significant_XPt($is_top_node, $bytes, $mem_total_B); 203 204 # We precede this node's line with "$this_prefix.$arrow". We precede 205 # any children of this node with "$this_prefix$child_midfix$arrow". 206 if ($is_significant) { 207 # Nb: $details might have '%' in it, so don't embed directly in the 208 # format string. 209 printf(TMPFILE 210 "$this_prefix$arrow%05.2f%% (%sB)%s\n", $perc, commify($bytes), 211 $details); 212 } 213 214 # Now read all the children. 215 my $n_insig_children = 0; 216 my $total_insig_children_szB = 0; 217 my $this_prefix2 = $this_prefix . $child_midfix; 218 for (my $i = 0; $i < $n_children; $i++) { 219 # If child is the last sibling, the midfix is empty. 220 my $child_midfix2 = ( $i+1 == $n_children ? " " : "| " ); 221 my ($is_child_insignificant, $child_insig_bytes) = 222 # '0' means it's not the top node of the tree. 223 read_heap_tree(0, $this_prefix2, $child_midfix2, "->", 224 $mem_total_B); 225 $n_insig_children += $is_child_insignificant; 226 $total_insig_children_szB += $child_insig_bytes; 227 } 228 229 if ($is_significant) { 230 # If this was significant but any children were insignificant, print 231 # the "in N places" line for them. 232 if ($n_insig_children > 0) { 233 $perc = safe_div_0(100 * $total_insig_children_szB, $mem_total_B); 234 printf(TMPFILE "%s->%05.2f%% (%sB) in %d+ places, all below " 235 . "ms_print's threshold (%05.2f%%)\n", 236 $this_prefix2, $perc, commify($total_insig_children_szB), 237 $n_insig_children, $threshold); 238 print(TMPFILE "$this_prefix2\n"); 239 } 240 241 # If this node has no children, print an extra (mostly) empty line. 242 if (0 == $n_children) { 243 print(TMPFILE "$this_prefix2\n"); 244 } 245 return (0, 0); 246 247 } else { 248 return (1, $bytes); 249 } 250} 251 252#----------------------------------------------------------------------------- 253# Reading the input file: main 254#----------------------------------------------------------------------------- 255 256sub max_label_2($$) 257{ 258 my ($szB, $szB_scaled) = @_; 259 260 # For the label, if $szB is 999B or below, we print it as an integer. 261 # Otherwise, we print it as a float with 5 characters (including the '.'). 262 # Examples (for bytes): 263 # 1 --> 1 B 264 # 999 --> 999 B 265 # 1000 --> 0.977 KB 266 # 1024 --> 1.000 KB 267 # 10240 --> 10.00 KB 268 # 102400 --> 100.0 KB 269 # 1024000 --> 0.977 MB 270 # 1048576 --> 1.000 MB 271 # 272 if ($szB < 1000) { return sprintf("%5d", $szB); } 273 elsif ($szB_scaled < 10) { return sprintf("%5.3f", $szB_scaled); } 274 elsif ($szB_scaled < 100) { return sprintf("%5.2f", $szB_scaled); } 275 else { return sprintf("%5.1f", $szB_scaled); } 276} 277 278# Work out the units for the max value, measured in instructions. 279sub i_max_label($) 280{ 281 my ($nI) = @_; 282 283 # We repeat until the number is less than 1000. 284 my $nI_scaled = $nI; 285 my $unit = "i"; 286 # Nb: 'k' is the "kilo" (1000) prefix. 287 if ($nI_scaled >= 1000) { $unit = "ki"; $nI_scaled /= 1024; } 288 if ($nI_scaled >= 1000) { $unit = "Mi"; $nI_scaled /= 1024; } 289 if ($nI_scaled >= 1000) { $unit = "Gi"; $nI_scaled /= 1024; } 290 if ($nI_scaled >= 1000) { $unit = "Ti"; $nI_scaled /= 1024; } 291 if ($nI_scaled >= 1000) { $unit = "Pi"; $nI_scaled /= 1024; } 292 if ($nI_scaled >= 1000) { $unit = "Ei"; $nI_scaled /= 1024; } 293 if ($nI_scaled >= 1000) { $unit = "Zi"; $nI_scaled /= 1024; } 294 if ($nI_scaled >= 1000) { $unit = "Yi"; $nI_scaled /= 1024; } 295 296 return (max_label_2($nI, $nI_scaled), $unit); 297} 298 299# Work out the units for the max value, measured in bytes. 300sub B_max_label($) 301{ 302 my ($szB) = @_; 303 304 # We repeat until the number is less than 1000, but we divide by 1024 on 305 # each scaling. 306 my $szB_scaled = $szB; 307 my $unit = "B"; 308 # Nb: 'K' or 'k' are acceptable as the "binary kilo" (1024) prefix. 309 # (Strictly speaking, should use "KiB" (kibibyte), "MiB" (mebibyte), etc, 310 # but they're not in common use.) 311 if ($szB_scaled >= 1000) { $unit = "KB"; $szB_scaled /= 1024; } 312 if ($szB_scaled >= 1000) { $unit = "MB"; $szB_scaled /= 1024; } 313 if ($szB_scaled >= 1000) { $unit = "GB"; $szB_scaled /= 1024; } 314 if ($szB_scaled >= 1000) { $unit = "TB"; $szB_scaled /= 1024; } 315 if ($szB_scaled >= 1000) { $unit = "PB"; $szB_scaled /= 1024; } 316 if ($szB_scaled >= 1000) { $unit = "EB"; $szB_scaled /= 1024; } 317 if ($szB_scaled >= 1000) { $unit = "ZB"; $szB_scaled /= 1024; } 318 if ($szB_scaled >= 1000) { $unit = "YB"; $szB_scaled /= 1024; } 319 320 return (max_label_2($szB, $szB_scaled), $unit); 321} 322 323# Work out the units for the max value, measured in ms/s/h. 324sub t_max_label($) 325{ 326 my ($szB) = @_; 327 328 # We scale from millisecond to seconds to hours. 329 # 330 # XXX: this allows a number with 6 chars, eg. "3599.0 s" 331 my $szB_scaled = $szB; 332 my $unit = "ms"; 333 if ($szB_scaled >= 1000) { $unit = "s"; $szB_scaled /= 1000; } 334 if ($szB_scaled >= 3600) { $unit = "h"; $szB_scaled /= 3600; } 335 336 return (max_label_2($szB, $szB_scaled), $unit); 337} 338 339# This prints four things: 340# - the output header 341# - the graph 342# - the snapshot summaries (number, list of detailed ones) 343# - the snapshots 344# 345# The first three parts can't be printed until we've read the whole input file; 346# but the fourth part is much easier to print while we're reading the file. So 347# we print the fourth part to a tmp file, and then dump the tmp file at the 348# end. 349# 350sub read_input_file() 351{ 352 my $desc = ""; # Concatenated description lines. 353 my $peak_mem_total_szB = 0; 354 355 # Info about each snapshot. 356 my @snapshot_nums = (); 357 my @times = (); 358 my @mem_total_Bs = (); 359 my @is_detaileds = (); 360 my $peak_num = -1; # An initial value that will be ok if no peak 361 # entry is in the file. 362 363 #------------------------------------------------------------------------- 364 # Read start of input file. 365 #------------------------------------------------------------------------- 366 open(INPUTFILE, "< $input_file") 367 || die "Cannot open $input_file for reading\n"; 368 369 # Read "desc:" lines. 370 my $line; 371 while ($line = get_line()) { 372 if ($line =~ s/^desc://) { 373 $desc .= $line; 374 } else { 375 last; 376 } 377 } 378 379 # Read "cmd:" line (Nb: will already be in $line from "desc:" loop above). 380 ($line =~ /^cmd:\s*(.*)$/) or die("Line $.: missing 'cmd' line\n"); 381 $cmd = $1; 382 383 # Read "time_unit:" line. 384 $line = get_line(); 385 ($line =~ /^time_unit:\s*(.*)$/) or 386 die("Line $.: missing 'time_unit' line\n"); 387 $time_unit = $1; 388 389 #------------------------------------------------------------------------- 390 # Print snapshot list header to $tmp_file. 391 #------------------------------------------------------------------------- 392 open(TMPFILE, "> $tmp_file") 393 || die "Cannot open $tmp_file for reading\n"; 394 395 my $time_column = sprintf("%14s", "time($time_unit)"); 396 my $column_format = "%3s %14s %16s %16s %13s %12s\n"; 397 my $header = 398 $fancy_nl . 399 sprintf($column_format 400 , "n" 401 , $time_column 402 , "total(B)" 403 , "useful-heap(B)" 404 , "extra-heap(B)" 405 , "stacks(B)" 406 ) . 407 $fancy_nl; 408 print(TMPFILE $header); 409 410 #------------------------------------------------------------------------- 411 # Read body of input file. 412 #------------------------------------------------------------------------- 413 $line = get_line(); 414 while (defined $line) { 415 my $snapshot_num = equals_num_line($line, "snapshot"); 416 my $time = equals_num_line(get_line(), "time"); 417 my $mem_heap_B = equals_num_line(get_line(), "mem_heap_B"); 418 my $mem_heap_extra_B = equals_num_line(get_line(), "mem_heap_extra_B"); 419 my $mem_stacks_B = equals_num_line(get_line(), "mem_stacks_B"); 420 my $mem_total_B = $mem_heap_B + $mem_heap_extra_B + $mem_stacks_B; 421 my $heap_tree = equals_num_line(get_line(), "heap_tree"); 422 423 # Print the snapshot data to $tmp_file. 424 printf(TMPFILE $column_format, 425 , $snapshot_num 426 , commify($time) 427 , commify($mem_total_B) 428 , commify($mem_heap_B) 429 , commify($mem_heap_extra_B) 430 , commify($mem_stacks_B) 431 ); 432 433 # Remember the snapshot data. 434 push(@snapshot_nums, $snapshot_num); 435 push(@times, $time); 436 push(@mem_total_Bs, $mem_total_B); 437 push(@is_detaileds, ( $heap_tree eq "empty" ? 0 : 1 )); 438 $peak_mem_total_szB = $mem_total_B 439 if $mem_total_B > $peak_mem_total_szB; 440 441 # Read the heap tree, and if it's detailed, print it and a subsequent 442 # snapshot list header to $tmp_file. 443 if ($heap_tree eq "empty") { 444 $line = get_line(); 445 } elsif ($heap_tree =~ "(detailed|peak)") { 446 # If "peak", remember the number. 447 if ($heap_tree eq "peak") { 448 $peak_num = $snapshot_num; 449 } 450 # '1' means it's the top node of the tree. 451 read_heap_tree(1, "", "", "", $mem_total_B); 452 453 # Print the header, unless there are no more snapshots. 454 $line = get_line(); 455 if (defined $line) { 456 print(TMPFILE $header); 457 } 458 } else { 459 die("Line $.: expected 'empty' or '...' after 'heap_tree='\n"); 460 } 461 } 462 463 close(INPUTFILE); 464 close(TMPFILE); 465 466 #------------------------------------------------------------------------- 467 # Print header. 468 #------------------------------------------------------------------------- 469 print($fancy_nl); 470 print("Command: $cmd\n"); 471 print("Massif arguments: $desc"); 472 print("ms_print arguments:$ms_print_args\n"); 473 print($fancy_nl); 474 print("\n\n"); 475 476 #------------------------------------------------------------------------- 477 # Setup for graph. 478 #------------------------------------------------------------------------- 479 # The ASCII graph. 480 # Row 0 ([0..graph_x][0]) is the X-axis. 481 # Column 0 ([0][0..graph_y]) is the Y-axis. 482 # The rest ([1][1]..[graph_x][graph_y]) is the usable graph area. 483 my @graph; 484 my $x; 485 my $y; 486 487 my $n_snapshots = scalar(@snapshot_nums); 488 ($n_snapshots > 0) or die; 489 my $end_time = $times[$n_snapshots-1]; 490 ($end_time >= 0) or die; 491 492 # Setup graph[][]. 493 $graph[0][0] = '+'; # axes join point 494 for ($x = 1; $x <= $graph_x; $x++) { $graph[$x][0] = '-'; } # X-axis 495 for ($y = 1; $y <= $graph_y; $y++) { $graph[0][$y] = '|'; } # Y-axis 496 $graph[$graph_x][0] = '>'; # X-axis arrow 497 $graph[0][$graph_y] = '^'; # Y-axis arrow 498 for ($x = 1; $x <= $graph_x; $x++) { # usable area 499 for ($y = 1; $y <= $graph_y; $y++) { 500 $graph[$x][$y] = ' '; 501 } 502 } 503 504 #------------------------------------------------------------------------- 505 # Write snapshot bars into graph[][]. 506 #------------------------------------------------------------------------- 507 # Each row represents K bytes, which is 1/graph_y of the peak size 508 # (and K can be non-integral). When drawing the column for a snapshot, 509 # in order to fill the slot in row y (where the first row drawn on is 510 # row 1) with a full-char (eg. ':'), it must be >= y*K. For example, if 511 # K = 10 bytes, then the values 0, 4, 5, 9, 10, 14, 15, 19, 20, 24, 25, 512 # 29, 30 would be drawn like this (showing one per column): 513 # 514 # y y * K 515 # - ----------- 516 # 30 | : 3 3 * 10 = 30 517 # 20 | ::::: 2 2 * 10 = 20 518 # 10 | ::::::::: 1 1 * 10 = 10 519 # 0 +------------- 520 521 my $peak_char = '#'; 522 my $detailed_char = '@'; 523 my $normal_char = ':'; 524 525 # Work out how many bytes each row represents. If the peak size was 0, 526 # make it 1 so that the Y-axis covers a non-zero range of values. 527 # Likewise for end_time. 528 if (0 == $peak_mem_total_szB) { $peak_mem_total_szB = 1; } 529 if (0 == $end_time ) { $end_time = 1; } 530 my $K = $peak_mem_total_szB / $graph_y; 531 532 $x = 0; 533 my $prev_x = 0; 534 my $prev_y_max = 0; 535 my $prev_char = ':'; 536 537 for (my $i = 0; $i < $n_snapshots; $i++) { 538 539 # Work out which column this snapshot belongs to. 540 $prev_x = $x; 541 my $x_pos_frac = ($times[$i] / ($end_time)) * $graph_x; 542 $x = int($x_pos_frac) + 1; # +1 due to Y-axis 543 # The final snapshot will spill over into the n+1th column, which 544 # doesn't get shown. So we fudge that one and pull it back a 545 # column, as if the end_time was actually end_time+epsilon. 546 if ($times[$i] == $end_time) { 547 ($x == $graph_x+1) or die; 548 $x = $graph_x; 549 } 550 551 # If there was a gap between the previous snapshot's column and this 552 # one, we draw a horizontal line in the gap (so long as it doesn't 553 # trash the x-axis). Without this, graphs with a few sparse 554 # snapshots look funny -- as if the memory usage is in temporary 555 # spikes. 556 if ($prev_y_max > 0) { 557 for (my $x2 = $prev_x + 1; $x2 < $x; $x2++) { 558 $graph[$x2][$prev_y_max] = $prev_char; 559 } 560 } 561 562 # Choose the column char. 563 my $char; 564 if ($i == $peak_num) { $char = $peak_char; } 565 elsif ($is_detaileds[$i]) { $char = $detailed_char; } 566 else { $char = $normal_char; } 567 568 # Grow this snapshot bar from bottom to top. 569 my $y_max = 0; 570 for ($y = 1; $y <= $graph_y; $y++) { 571 if ($mem_total_Bs[$i] >= $y * $K) { 572 # Priority order for chars: peak > detailed > normal 573 my $should_draw_char = 574 (($char eq $peak_char) 575 or 576 ($char eq $detailed_char and 577 $graph[$x][$y] ne $peak_char 578 ) 579 or 580 ($char eq $normal_char and 581 $graph[$x][$y] ne $peak_char and 582 $graph[$x][$y] ne $detailed_char 583 ) 584 ); 585 586 if ($should_draw_char) { 587 $graph[$x][$y] = $char; 588 } 589 $y_max = $y; 590 } 591 } 592 $prev_y_max = $y_max; 593 $prev_char = $char; 594 } 595 596 #------------------------------------------------------------------------- 597 # Print graph[][]. 598 #------------------------------------------------------------------------- 599 my ($y_label, $y_unit) = B_max_label($peak_mem_total_szB); 600 my ($x_label, $x_unit); 601 if ($time_unit eq "i") { ($x_label, $x_unit) = i_max_label($end_time) } 602 elsif ($time_unit eq "ms") { ($x_label, $x_unit) = t_max_label($end_time) } 603 elsif ($time_unit eq "B") { ($x_label, $x_unit) = B_max_label($end_time) } 604 else { die "bad time_unit: $time_unit\n"; } 605 606 printf(" %2s\n", $y_unit); 607 for ($y = $graph_y; $y >= 0; $y--) { 608 if ($graph_y == $y) { # top row 609 print($y_label); 610 } elsif (0 == $y) { # bottom row 611 print(" 0 "); 612 } else { # anywhere else 613 print(" "); 614 } 615 616 # Axis and data for the row. 617 for ($x = 0; $x <= $graph_x; $x++) { 618 printf("%s", $graph[$x][$y]); 619 } 620 if (0 == $y) { 621 print("$x_unit\n"); 622 } else { 623 print("\n"); 624 } 625 } 626 printf(" 0%s%5s\n", ' ' x ($graph_x-5), $x_label); 627 628 #------------------------------------------------------------------------- 629 # Print snapshot numbers. 630 #------------------------------------------------------------------------- 631 print("\n"); 632 print("Number of snapshots: $n_snapshots\n"); 633 print(" Detailed snapshots: ["); 634 my $first_detailed = 1; 635 for (my $i = 0; $i < $n_snapshots; $i++) { 636 if ($is_detaileds[$i]) { 637 if ($first_detailed) { 638 printf("$i"); 639 $first_detailed = 0; 640 } else { 641 printf(", $i"); 642 } 643 if ($i == $peak_num) { 644 print(" (peak)"); 645 } 646 } 647 } 648 print("]\n\n"); 649 650 #------------------------------------------------------------------------- 651 # Print snapshots, from $tmp_file. 652 #------------------------------------------------------------------------- 653 open(TMPFILE, "< $tmp_file") 654 || die "Cannot open $tmp_file for reading\n"; 655 656 while (my $line = <TMPFILE>) { 657 print($line); 658 } 659 unlink($tmp_file); 660} 661 662#----------------------------------------------------------------------------- 663# Misc functions 664#----------------------------------------------------------------------------- 665sub commify ($) { 666 my ($val) = @_; 667 1 while ($val =~ s/^(\d+)(\d{3})/$1,$2/); 668 return $val; 669} 670 671 672#---------------------------------------------------------------------------- 673# "main()" 674#---------------------------------------------------------------------------- 675process_cmd_line(); 676read_input_file(); 677 678##--------------------------------------------------------------------## 679##--- end ms_print.in ---## 680##--------------------------------------------------------------------## 681