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od: add -D option #939

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Jan 31, 2025
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od: add -D option #939

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21 changes: 14 additions & 7 deletions bin/od
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Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,11 @@ use constant EX_FAILURE => 1;
use constant LINESZ => 16;
use constant PRINTMAX => 126;

use vars qw/ $opt_A $opt_a $opt_B $opt_b $opt_c $opt_d $opt_e $opt_F $opt_f
$opt_H $opt_h $opt_i $opt_j $opt_l $opt_N $opt_O $opt_o $opt_s $opt_t
$opt_v $opt_X $opt_x /;
use vars qw/ $opt_A $opt_a $opt_B $opt_b $opt_c $opt_D $opt_d $opt_e $opt_F
$opt_f $opt_H $opt_h $opt_i $opt_j $opt_l $opt_N $opt_O $opt_o $opt_s
$opt_t $opt_v $opt_X $opt_x /;

our $VERSION = '1.3';
our $VERSION = '1.4';

my ($offset1, $radix, $data, @arr, $lim);
my ($lastline, $strfmt, $ml);
Expand Down Expand Up @@ -87,7 +87,7 @@ $lastline = '';

my $Program = basename($0);

getopts('A:aBbcdeFfHhij:lN:Oost:vXx') or help();
getopts('A:aBbcDdeFfHhij:lN:Oost:vXx') or help();
if (defined $opt_A) {
if ($opt_A !~ m/\A[doxn]\z/) {
warn "$Program: unexpected radix: '$opt_A'\n";
Expand Down Expand Up @@ -125,6 +125,9 @@ elsif ($opt_b) {
elsif ($opt_c) {
$fmt = \&char1;
}
elsif ($opt_D) {
$fmt = \&udecimal4;
}
elsif ($opt_d) {
$fmt = \&udecimal2;
}
Expand Down Expand Up @@ -452,7 +455,7 @@ sub diffdata {
}

sub help {
print "usage: od [-aBbcdeFfHhilOosXxv] [-A radix] [-j skip_bytes] ",
print "usage: od [-aBbcDdeFfHhilOosXxv] [-A radix] [-j skip_bytes] ",
"[-N limit_bytes] [-t type] [file]...\n";
exit EX_FAILURE;
}
Expand All @@ -464,7 +467,7 @@ od - dump files in octal and other formats

=head1 SYNOPSIS

B<od> [ I<-aBbcdeFfHhilOosXxv> ] [I<-j skip_bytes>] [I<-N limit_bytes>]
B<od> [ I<-aBbcDdeFfHhilOosXxv> ] [I<-j skip_bytes>] [I<-N limit_bytes>]
[ I<-A radix> ] [ I<-t type> ] [ F<file>... ]

=head1 DESCRIPTION
Expand Down Expand Up @@ -503,6 +506,10 @@ Single-byte octal display.

Display characters literally, with non-printable characters displayed as C escape sequences.

=item -D

Four-byte unsigned decimal display.

=item -d

Two-byte unsigned decimal display.
Expand Down
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