X-Git-Url: http://git.shiar.net/barcat.git/blobdiff_plain/bdd1d9ee2ace72d65caa8305d24ce341b77bf573..9311bd5ea1a9b062c2a1f88fe768829ffc3c004b:/barcat

diff --git a/barcat b/barcat
index e6b22b6..6d56109 100755
--- a/barcat
+++ b/barcat
@@ -18,7 +18,10 @@ GetOptions(\%opt,
 	'color|c!',
 	'C' => sub { $opt{color} = 0 },
 	'field|f=s' => sub {
-		$opt{anchor} = /^[0-9]+$/ ? qr/(?:\S*\h+){$_}\K/ : $_ for $_[1];
+		eval {
+			local $_ = $_[1];
+			$opt{anchor} = /^[0-9]+$/ ? qr/(?:\S*\h+){$_}\K/ : qr/$_/;
+		} or die "$@ for option $_[0]\n";
 	},
 	'human-readable|H!',
 	'interval|t:i',
@@ -68,7 +71,7 @@ if (defined $opt{interval}) {
 $SIG{INT} = 'IGNORE';  # continue after assumed eof
 
 my (@lines, @values);
-my $valmatch = qr/$opt{anchor} ( \h* -? [0-9]* \.? [0-9]+ |)/x;
+my $valmatch = qr/$opt{anchor} ( \h* -? [0-9]* \.? [0-9]+ (?: e[+-]?[0-9]+ )? |)/x;
 while (readline) {
 	s/\r?\n\z//;
 	s/^\h*// unless $opt{unmodified};
@@ -196,6 +199,7 @@ for example I<-f'(\d+)'> for the first digits anywhere.
 
 Format values using SI unit prefixes,
 turning long numbers like I<12356789> into I<12.4M>.
+Also changes an exponent I<1.602176634e-19> to I<160.2z>.
 
 =item -t, --interval[=<seconds>]