cmder/scripts/clean_aliases.pl

37 lines
958 B
Perl

# Cmder adds aliases to its aliases file without caring for duplicates.
# This can result in the aliases file becoming bloated. This script cleans
#the aliases file.
use Env;
my %aliases;
my $alias_file = $CMDER_ROOT . "/config/aliases";
# First step
# Read the aliases file line by line, and put every entry in
# a dictionary. The newer aliases being the last, the new will
# always be kept over the old.
open (my $file_handle, '<', $alias_file) or die "cannot open '$alias_file' $!";
while(my $line = <$file_handle>)
{
if ($line =~ /([^=\s<>]+)=(.*)/)
{
$aliases{ $1 } = $2;
}
else
{
print "Invalid alias: $line"
}
}
close($file_handle);
# Second step
# Write back the aliases. Sort them to make the file look nice.
open(my $file_handle, '>', $alias_file) or die "cannot open '$alias_file' $!";
foreach my $key (sort keys %aliases)
{
print $file_handle "$key=$aliases{ $key }\n";
}
close($file_handle);