You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.1 KiB
44 lines
1.1 KiB
2 years ago
|
#!/usr/bin/perl -w
|
||
|
|
#
|
||
|
|
# This perl script replaces a string with another string.
|
||
|
|
# Here it is allowd for file_in and file_out to be the
|
||
|
|
# same file.
|
||
|
|
#
|
||
|
|
use strict;
|
||
|
|
#
|
||
|
|
my $g_use_msg =
|
||
|
|
"Use: string-replace.pl find_string replacement_string file_in file_out\n";
|
||
|
|
if( scalar(@ARGV) < 4 ) {
|
||
|
|
print STDERR $g_use_msg;
|
||
|
|
exit(-1);
|
||
|
|
}
|
||
|
|
#
|
||
|
|
my $find_string = shift;
|
||
|
|
my $replacement_string = shift;
|
||
|
|
my $file_in_name = shift;
|
||
|
|
my $file_out_name = shift;
|
||
|
|
#
|
||
|
|
#
|
||
|
|
if($file_in_name=~/CVS/) {
|
||
|
|
# print "Do not replace in CVS\n";
|
||
|
|
exit;
|
||
|
|
}
|
||
|
|
#
|
||
|
|
open FILE_IN, "<$file_in_name" || die "The file $file_in_name could not be opended for input\n";
|
||
|
|
my @file_in_array = <FILE_IN>;
|
||
|
|
close FILE_IN;
|
||
|
|
#
|
||
|
|
my @file_out_array;
|
||
|
|
my $did_replacement = 0;
|
||
|
|
foreach(@file_in_array) {
|
||
|
|
#print $_;
|
||
|
|
$did_replacement = 1 if $_=~s/$find_string/$replacement_string/g;
|
||
|
|
#print $_;
|
||
|
|
push @file_out_array, $_;
|
||
|
|
}
|
||
|
|
if($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;
|
||
|
|
}
|