projects / OpenSPARC-T2-DV / blame
| Commit | Line | Data |
|---|---|---|
| 86530b38 AT |
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: |