79 lines
2.1 KiB
Perl
Executable file
79 lines
2.1 KiB
Perl
Executable file
#!/usr/bin/env perl
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# This perl script is for doing batch renamings of identifiers. To use it:
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#
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# (1) create a file "renamings.txt", with a list of entries "foo:bar",
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# one per line
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# (2) put this script and renamings.txt in the same directory, and make sure
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# the script is executable.
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# (3) use "[path]/rename.pl [path]/file" to do the renaming.
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# On a Unix system, at least, you can use wildcards.
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#
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# Example: if you put rename.pl and renamings.txt in lean/library, then
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# from that directory type
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#
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# ./rename.pl data/nat/*.lean
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#
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# to do all the renamings in data/nat. Alternative, change to that directory,
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# and type
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#
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# ../../rename.pl *.lean
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#
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# Notes:
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#
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# We assume identifiers have only letters, numbers, _, or "'" or ".".
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#
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# See http://perldoc.perl.org/perlfaq5.html, "How can I use Perl's i option from
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# within a program?" for information on the method used to change a file in place.
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#
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# See also http://perldoc.perl.org/File/Find.html for information on how to write
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# a subroutine that will traverse a directory tree.
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#
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use strict;
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use warnings;
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use Cwd 'abs_path';
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use File::Basename;
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use File::Spec::Functions;
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# the global list of renamings
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my %renamings = ();
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# get the list of renamings from the file
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sub get_renamings {
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my $fullname = catfile(dirname(abs_path($0)), "renamings.txt");
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open (my $renaming_file, "<", $fullname) or die $!;
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while (<$renaming_file>) {
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if (/([\w'.]+)[:]([\w'.]+)\n/) {
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$renamings{$1} = $2;
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}
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}
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close $renaming_file or die $!;
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}
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# print them out - for debugging
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sub show_renamings {
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foreach my $key (keys %renamings) {
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print $key, " => ", $renamings{$key}, "\n";
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}
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}
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# rename all identifiers a file; original goes in file.orig
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sub rename_in_file {
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my $filename = shift;
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local($^I, @ARGV) = ('.orig', $filename);
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while (<>) {
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foreach my $key (keys %renamings) {
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# replace instances of key, not preceeded by a letter, and not
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# followed by a letter, number, ', or .
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s/(?<![a-zA-z])$key(?![\w'])/$renamings{$key}/g;
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}
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print;
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}
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}
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get_renamings;
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# show_renamings;
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foreach (@ARGV) {
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rename_in_file $_;
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}
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