ft2m.pl to HTML.

index -|- end

Generated: Mon Aug 29 19:34:36 2016 from ft2m.pl 2014/07/20 6.2 KB. text copy

#!/usr/bin/perl -w
# NAME: ft2m.pl
# AIM: Input feet and inches and output meters
use strict;
use warnings;
use File::Basename;  # split path ($name,$dir,$ext) = fileparse($file [, qr/\.[^.]*/] )
use Cwd;
my $os = $^O;
my $perl_dir = '/home/geoff/bin';
my $PATH_SEP = '/';
my $temp_dir = '/tmp';
if ($os =~ /win/i) {
    $perl_dir = 'C:\GTools\perl';
    $temp_dir = $perl_dir;
    $PATH_SEP = "\\";
}
unshift(@INC, $perl_dir);
require 'lib_utils.pl' or die "Unable to load 'lib_utils.pl' Check paths in \@INC...\n";
# log file stuff
our ($LF);
my $pgmname = $0;
if ($pgmname =~ /(\\|\/)/) {
    my @tmpsp = split(/(\\|\/)/,$pgmname);
    $pgmname = $tmpsp[-1];
}
my $outfile = $temp_dir.$PATH_SEP."temp.$pgmname.txt";
open_log($outfile);

# user variables
my $VERS = "0.0.2 2014-01-13";
my $load_log = 0;
my $in_feet = '';
my $in_feet2 = '';
my $in_inches = '';
my $verbosity = 0;
my $out_file = '';
my $FT2M = 0.3048;  # Meters 
my $cmd_args = '';

# ### DEBUG ###
my $debug_on = 0;
my $def_file = 'def_file';

### program variables
my @warnings = ();
my $cwd = cwd();

sub VERB1() { return $verbosity >= 1; }
sub VERB2() { return $verbosity >= 2; }
sub VERB5() { return $verbosity >= 5; }
sub VERB9() { return $verbosity >= 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" ) if (VERB9());
    }
}

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 do_conversion() {

    my $m = $in_feet * $FT2M;
    prt("Input $in_feet2 feet");
    if (length $in_inches) {
        prt(" plus $in_inches inches");
    }
    prt(" equals $in_feet decimal feet\n");
    prt("$in_feet feet = $m meters\n");
}

#########################################
### MAIN ###
parse_args(@ARGV);
do_conversion();
pgm_exit(0,"");
########################################

sub need_arg {
    my ($arg,@av) = @_;
    pgm_exit(1,"ERROR: [$arg] must have a following argument!\n") if (!@av);
}

sub parse_args {
    my (@av) = @_;
    my ($arg,$sarg);
    my $verb = VERB2();
    my $cnt = 0;
    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/) {
                if ($sarg =~ /^v.*(\d+)$/) {
                    $verbosity = $1;
                } else {
                    while ($sarg =~ /^v/) {
                        $verbosity++;
                        $sarg = substr($sarg,1);
                    }
                }
                $verb = VERB2();
                prt("Verbosity = $verbosity\n") if ($verb);
            } elsif ($sarg =~ /^l/) {
                if ($sarg =~ /^ll/) {
                    $load_log = 2;
                } else {
                    $load_log = 1;
                }
                prt("Set to load log at end. ($load_log)\n") if ($verb);
            } elsif ($sarg =~ /^o/) {
                need_arg(@av);
                shift @av;
                $sarg = $av[0];
                $out_file = $sarg;
                prt("Set out file to [$out_file].\n") if ($verb);
            } else {
                pgm_exit(1,"ERROR: Invalid argument [$arg]! Try -?\n");
            }
        } else {
            if ($cnt == 0) {
                if ($arg =~ /^\d+\.*\d*$/) {
                    $in_feet = $arg;
                    $in_feet2 = $arg;
                    prt("Set input feet to [$in_feet]\n") if ($verb);
                } else {
                    pgm_exit(1,"First bare argument $arg does NOT appear to be a decimal! Expect 'feet' decimal\n");
                }
                $cnt++;
            } elsif ($cnt == 1) {
                if ($arg =~ /^f/i) {
                    #// ignore 'feet'
                } elsif ($arg =~ /^\d+\.*\d*$/) {
                    # assume inches
                    $in_inches = $arg;
                    $in_feet += ($arg / 12);
                    $cnt++;
                } else {
                    pgm_exit(1,"Following bare argument $arg does NOT appear to be a decimal! Expect inches decimal\n");
                }
            } else {
                if ($arg =~ /^i/i) {
                    # ignore inches
                } else {
                    pgm_exit(1,"Already have $in_feet! What is this $arg?\n");
                }
            }
        }
        shift @av;
    }

    if ($debug_on) {
        prtw("WARNING: DEBUG is ON!\n");
        if (length($in_feet) ==  0) {
            $in_feet = $def_file;
            prt("Set DEFAULT input to [$in_feet]\n");
        }
    }
    if (length($in_feet) ==  0) {
        pgm_exit(1,"ERROR: No input feet found in command!\n");
    }
}

sub give_help {
    prt("$pgmname: version $VERS\n");
    prt("Usage: $pgmname [options] in-file\n");
    prt("Options:\n");
    prt(" --help  (-h or -?) = This help, and exit 0.\n");
    prt(" --verb[n]     (-v) = Bump [or set] verbosity. def=$verbosity\n");
    prt(" --load        (-l) = Load LOG at end. ($outfile)\n");
    prt(" --out <file>  (-o) = Write output to this file.\n");
}

# eof - template.pl

index -|- top

checked by tidy  Valid HTML 4.01 Transitional