Generated: Sun Aug 21 11:11:30 2011 from sum.pl 2011/08/15 4.7 KB.
#!/usr/bin/perl -w # NAME: sum.pl # AIM: Sum of a set of values... # 15/08/2011 geoff mclane http://geoffair.net/mperl use strict; use warnings; use File::Basename; # split path ($name,$dir,$ext) = fileparse($file [, qr/\.[^.]*/] ) use Cwd; my $perl_dir = 'C:\GTools\perl'; unshift(@INC, $perl_dir); require 'lib_utils.pl' or die "Unable to load 'lib_utils.pl ...\n"; # log file stuff my ($LF); my $pgmname = $0; if ($pgmname =~ /(\\|\/)/) { my @tmpsp = split(/(\\|\/)/,$pgmname); $pgmname = $tmpsp[-1]; } my $outfile = $perl_dir."\\temp.$pgmname.txt"; open_log($outfile); # user variables my $VERS = "0.0.1 2011-08-15"; my $verbose = 0; my $load_log = 0; my $in_file = ''; my $debug_on = 0; my $def_file = 'def_file'; my @values = (); ### program variables my @warnings = (); my $cwd = cwd(); my $os = $^O; sub VERB1() { return ($verbose >= 1); } sub VERB2() { return ($verbose >= 2); } sub VERB5() { return ($verbose >= 5); } sub VERB9() { return ($verbose >= 9); } sub show_warnings($) { my ($val) = @_; if (@warnings) { prt( "\nGot ".scalar @warnings." WARNINGS...\n" ); foreach my $itm (@warnings) { prt("$itm\n"); } prt("\n"); } else { ### prt( "\nNo warnings issued.\n\n" ); } } sub pgm_exit($$) { my ($val,$msg) = @_; if (length($msg)) { $msg .= "\n" if (!($msg =~ /\n$/)); prt($msg); } show_warnings($val); close_log($outfile,$load_log); exit($val); } sub prtw($) { my ($tx) = shift; $tx =~ s/\n$//; prt("$tx\n"); push(@warnings,$tx); } sub process_in_file($) { my ($inf) = @_; if (! open INF, "<$inf") { pgm_exit(1,"ERROR: Unable to open file [$inf]\n"); } my @lines = <INF>; close INF; my $lncnt = scalar @lines; prt("Processing $lncnt lines, from [$inf]...\n"); my ($line,$inc,$lnn); $lnn = 0; foreach $line (@lines) { chomp $line; $lnn++; if ($line =~ /\s*#\s*include\s+(.+)$/) { $inc = $1; prt("$lnn: $inc\n"); } } } sub get_sum() { my ($tot,$itm); $tot = 0; foreach $itm (@values) { $tot += $itm; } prt("Total ".get_nn($tot)." bytes. (".util_bytes2ks($tot).")\n"); } ######################################### ### MAIN ### parse_args(@ARGV); #prt( "$pgmname: in [$cwd]: Hello, World...\n" ); #process_in_file($in_file); get_sum(); pgm_exit(0,""); ######################################## sub give_help { prt("$pgmname: version $VERS\n"); prt("Usage: $pgmname [options] number_list\n"); prt("Options:\n"); prt(" --help (-h or -?) = This help, and exit 0.\n"); prt(" --verbose (-v) = Bump verbosity.\n"); } sub need_arg { my ($arg,@av) = @_; pgm_exit(1,"ERROR: [$arg] must have following argument!\n") if (!@av); } sub parse_args { my (@av) = @_; my ($arg,$sarg,@arr,$itm); while (@av) { $arg = $av[0]; if ($arg =~ /^-/) { $sarg = substr($arg,1); $sarg = substr($sarg,1) while ($sarg =~ /^-/); if (($sarg =~ /^h/i)||($sarg eq '?')) { give_help(); pgm_exit(0,"Help exit(0)"); } elsif ($sarg =~ /^v/i) { if ($sarg =~ /^v(\d+)$/) { $verbose = $1; } else { while ($sarg =~ /^v/) { $verbose++; $sarg = substr($sarg,1); } } prt("Set verbosity to $verbose\n") if (VERB1()); } else { pgm_exit(1,"ERROR: Invalid argument [$arg]! Try -?\n"); } } else { $in_file = $arg; if ($in_file =~ /^[\d,]+$/) { $in_file =~ s/,//g; push(@values,$in_file); prt("Set input to [$in_file]\n") if (VERB1()); } elsif ($in_file =~ /^[\d,\s]+$/ ) { @arr = split(/\s+/,$in_file); foreach $itm (@arr) { if ($itm =~ /^[\d,]+$/) { $itm =~ s/,//g; push(@values,$itm); prt("Set input to [$itm]\n") if (VERB1()); } else { pgm_exit(1,"ERROR: Invalid argument [$itm]! Digits and comma only\n"); } } } else { pgm_exit(1,"ERROR: Invalid argument [$arg]! NOT digits only\n"); } } shift @av; } if (length($in_file) == 0) { pgm_exit(1,"ERROR: No input files found in command!\n"); } } # eof - template.pl