| 1 | package Psh::Builtins::History; |
| 2 | |
| 3 | require Psh::Util; |
| 4 | |
| 5 | =item * C<history> [n] |
| 6 | |
| 7 | Prints out [the last n] entries in the history |
| 8 | |
| 9 | =item * C<history> text [n] |
| 10 | |
| 11 | Searches [the last n] entries in the command history and |
| 12 | prints them if they contain "text". |
| 13 | |
| 14 | =cut |
| 15 | |
| 16 | |
| 17 | sub bi_history |
| 18 | { |
| 19 | my $i; |
| 20 | my $num = @Psh::history; |
| 21 | my $grep= undef; |
| 22 | |
| 23 | return (0,undef) unless $num; |
| 24 | |
| 25 | if ($_[1]) { |
| 26 | my @args=@{$_[1]}; |
| 27 | while (my $arg=shift @args) { |
| 28 | if ($arg=~/^\d+$/) { |
| 29 | $num=$arg if $arg<$num; |
| 30 | } |
| 31 | if ($arg=~/^\S+$/) { |
| 32 | $grep=$arg; |
| 33 | } |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | my $success=0; |
| 38 | my $max= @Psh::history; |
| 39 | if ($grep) { |
| 40 | $max--; |
| 41 | } |
| 42 | for ($i=@Psh::history-$num; $i<$max; $i++) { |
| 43 | next if $grep and $Psh::history[$i]!~/\Q$grep\E/; |
| 44 | Psh::Util::print_out(' '.sprintf('%3d',$i+1).' '.$Psh::history[$i]."\n"); |
| 45 | $success=1; |
| 46 | } |
| 47 | return ($success,undef); |
| 48 | } |
| 49 | |
| 50 | |
| 51 | |
| 52 | 1; |
| 53 | |
| 54 | # Local Variables: |
| 55 | # mode:perl |
| 56 | # tab-width:4 |
| 57 | # indent-tabs-mode:t |
| 58 | # c-basic-offset:4 |
| 59 | # perl-label-offset:0 |
| 60 | # perl-indent-level:4 |
| 61 | # cperl-indent-level:4 |
| 62 | # cperl-label-offset:0 |
| 63 | # End: |