Fun with pos()
This rewrites the file after each change, then reloads from that file for the next change.
The current position in the file is kept in the variable $pos. This stops the overlapping problem you were having.
I'm using Path::Tiny because I get yelled at when I use File::Slurp.
#!/usr/bin/perl use strict; # https://perlmonks.org/?node_id=11145971 use warnings; use List::AllUtils qw( nsort_by uniq ); use Path::Tiny; use Text::CSV qw( csv ); my $csv = <<END; whitelist entries,Noun,access list entries IP whitelist,Noun,IP access list IP whitelist entries,Noun,IP access list entries whitelist,Adjective,allow whitelist,Noun,access list whitelist,Noun,access-list whitelist,Verb,allow your whitelist,Noun,your access list your whitelist,Noun,my permission list your whitelist,Noun,thy permission list your whitelist,Noun,his permission list your whitelist,Noun,her permission list your whitelist,Noun,its permission list your whitelist,Noun,our permission list your whitelist,Noun,your permission list your whitelist,Noun,their permission list END my $target_file = path( '/tmp/d.11145971' ); $target_file->spew( <<END ); # FIXME for testing a. this is some whitelist test b. for IP whitelist testing and your whitelist c. line with no replacement d. with whitelist and IP whitelist entries and IP whitelist entries ag +ain. e. this is another whitelist test END my ($old, $new, $reset) = map "\e[${_}m", 91, 92, 0; my %patterns; push @{ $patterns{ lc $_->[0] } }, $_->[2] for @{ csv( in => \$csv ) } +; my $match = qr/(@{[ join '|', nsort_by { -length } keys %patterns ]})/ +i; #use Data::Dump 'dd'; dd \%patterns, $match; #$target_file->edit_lines( sub # NOTE line at a time # { # s/$match/$old$&$reset/g ? print "\n" : return; # 1 while s/\Q$old\E$match\Q$reset\E/ print; ask( $1 ) /e; # print "$new$_$reset"; # } ); my $pos = 0; # NOTE replaces whole file for each change my $more = 1; while( $more ) { $target_file->edit( sub { pos($_) = $pos; if( /$match/g ) { my ( $was, $where, $pre, $post ) = ( $1, $-[1], $`, $'); print "\n", $pre =~ s/^.*\n(?=.*\n)//sr, "$old$was$reset", $post =~ s/\n.*?\n\K.*//sr, "\n"; my $replace = ask( $was ); $was eq $replace or substr $_, $where, length $was, $replace; $pos = $where + length $replace; } else { $more = 0 } } ); # print "\e[33m", $target_file->slurp, "\e[0m"; # FIXME here for testi +ng } print "\nresult:\n\n", $target_file->slurp; # FIXME here for testing sub ask { my ($was) = @_; my @choices = uniq @{ $patterns{ lc $was } }; local $| = 1; if( @choices > 1 ) { my $n = 1; printf "%8d. $new%s$reset\n", $n++, $_ for @choices; print " replace '$old$was$reset' with ${new}above pick$reset ( +or 0 to not change) : "; my $pick = <STDIN> =~ tr/0-9//cdr || 0; 0 <= $pick <= @choices or $pick = 0; return ($was, @choices)[$pick]; } else { print " replace '$old$was$reset' with '$new@choices$reset' ? y +es/no : "; return <STDIN> =~ /y/i ? $choices[0] : $was; } }
Sample run (in glorious color which of course is not seen here)
a. this is some whitelist test b. for IP whitelist testing and your whitelist 1. allow 2. access list 3. access-list replace 'whitelist' with above pick (or 0 to not change) : a. this is some whitelist test b. for IP whitelist testing and your whitelist c. line with no replacement replace 'IP whitelist' with 'IP access list' ? yes/no : a. this is some whitelist test b. for IP whitelist testing and your whitelist c. line with no replacement 1. your access list 2. my permission list 3. thy permission list 4. his permission list 5. her permission list 6. its permission list 7. our permission list 8. your permission list 9. their permission list replace 'your whitelist' with above pick (or 0 to not change) : c. line with no replacement d. with whitelist and IP whitelist entries and IP whitelist entries ag +ain. e. this is another whitelist test 1. allow 2. access list 3. access-list replace 'whitelist' with above pick (or 0 to not change) : c. line with no replacement d. with whitelist and IP whitelist entries and IP whitelist entries ag +ain. e. this is another whitelist test replace 'IP whitelist entries' with 'IP access list entries' ? ye +s/no : c. line with no replacement d. with whitelist and IP whitelist entries and IP whitelist entries ag +ain. e. this is another whitelist test replace 'IP whitelist entries' with 'IP access list entries' ? ye +s/no : d. with whitelist and IP whitelist entries and IP whitelist entries ag +ain. e. this is another whitelist test 1. allow 2. access list 3. access-list replace 'whitelist' with above pick (or 0 to not change) : result: a. this is some whitelist test b. for IP whitelist testing and your whitelist c. line with no replacement d. with whitelist and IP whitelist entries and IP whitelist entries ag +ain. e. this is another whitelist test
The above output is in color, using red for the existing string and green for new ones.
This should be run in a terminal that takes ANSI color codes.
Is this the kind of thing you are looking for, or have I gone overboard ?
In reply to Re^5: Immediately writing the results of search-and-replace
by tybalt89
in thread Immediately writing the results of search-and-replace
by Anonymous Monk
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