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#!/usr/bin/perl -w
#
# This perl script replaces a list of strings.
# Here it is allowed for file_in and
# file_out to be the same file.
#
use strict;
my $g_use_msg =
"Use: string-replace-list.pl string_file file_in file_out\n";
if( scalar(@ARGV) != 3 ) {
print STDERR $g_use_msg;
exit(-1);
}
my $string_file = shift;
my $file_in_name = shift;
my $file_out_name = shift;
open STRING_NAMES_FILE, "<$string_file" || die "The file $string_file could not be opened!";
my @string_names_lines = <STRING_NAMES_FILE>;
my @string_names;
foreach(@string_names_lines) {
my $line = $_;
my @string_names_line_array = split(' ', $line);
foreach(@string_names_line_array) {
chomp($_);
push @string_names, $_
}
}
#print "file_in_name = $file_in_name\n";
if($file_in_name=~/CVS/) {
# print "Do not replace in CVS\n";
exit;
}
open FILE_IN, "<$file_in_name";
my @file_in_array = <FILE_IN>;
close FILE_IN;
#print $match_str . "\n";
my @file_out_array;
my $did_replacement = 0;
foreach(@file_in_array) {
my $line = $_;
#print "\n";
#print "----------------------------------------------------\n";
#print "\n";
#print $line;
my $i;
for( $i=0; $i <scalar(@string_names); $i += 2 ) {
my ($find_string, $replace_string) = ($string_names[$i], $string_names[$i+1]);
defined($find_string) || die $!;
defined($replace_string) || die $!;
chomp($find_string);
#print "find string = ${find_string}\n";
chomp($replace_string);
#print "replace string = ${replace_string}\n";
#print "string_names line = $_";
$did_replacement = 1 if $line=~s/$find_string/$replace_string/g;
#print $line;
}
push @file_out_array, $line;
}
if($did_replacement || $file_out_name ne $file_in_name) {
open FILE_OUT, ">$file_out_name" || die "The file $file_out_name could not be opended for output\n";
print FILE_OUT @file_out_array;
close FILE_OUT;
}
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