add use warnings to all perl scripts

5 files changed, 6 insertions, 0 deletions

diff --git a/scripts/analysis/bootstrap-hypothesis-difference-significance.pl b/scripts/analysis/bootstrap-hypothesis-difference-significance.pl
index b74aa003d..149676b6f 100755
--- a/scripts/analysis/bootstrap-hypothesis-difference-significance.pl
+++ b/scripts/analysis/bootstrap-hypothesis-difference-significance.pl
@@ -14,6 +14,7 @@ use utf8;
 # 23.01.2010: added NIST p-value and interval computation
 ###############################################
 
+use warnings;
 use strict;
 
 #constants
diff --git a/scripts/analysis/sentence-by-sentence.pl b/scripts/analysis/sentence-by-sentence.pl
index c8bc367b2..4f6560a56 100755
--- a/scripts/analysis/sentence-by-sentence.pl
+++ b/scripts/analysis/sentence-by-sentence.pl
@@ -4,6 +4,7 @@
 #sentence-by-sentence: take in a system output, with any number of factors, and a reference translation, also maybe with factors, and show each sentence and its errors
 #usage: sentence-by-sentence SYSOUT [REFERENCE]+ > sentences.html
 
+use warnings;
 use strict;
 use Getopt::Long;
 
diff --git a/scripts/analysis/sg2dot.perl b/scripts/analysis/sg2dot.perl
index a165cf25e..b17dfd9fb 100755
--- a/scripts/analysis/sg2dot.perl
+++ b/scripts/analysis/sg2dot.perl
@@ -4,6 +4,7 @@
 # Script to convert MOSES searchgraph to DOT format
 #
 
+use warnings;
 use strict;
 use File::Path;
 use File::Basename;
diff --git a/scripts/analysis/show-phrases-used.pl b/scripts/analysis/show-phrases-used.pl
index c31e930d5..0a719d207 100755
--- a/scripts/analysis/show-phrases-used.pl
+++ b/scripts/analysis/show-phrases-used.pl
@@ -5,7 +5,9 @@
 #usage: show-phrases-used DECODER_OUTFILE > output.html
 #  where DECODER_OUTFILE is the output of moses with the -T (show alignments) option
 
+use warnings;
 use strict;
+
 BEGIN
 {
     my $wd= `pawd 2>/dev/null`;
diff --git a/scripts/analysis/smtgui/filter-phrase-table.pl b/scripts/analysis/smtgui/filter-phrase-table.pl
index ed09d0b3f..9f411f3fa 100755
--- a/scripts/analysis/smtgui/filter-phrase-table.pl
+++ b/scripts/analysis/smtgui/filter-phrase-table.pl
@@ -9,6 +9,7 @@
 #similar function to filter-model-given-input.pl, but only operates
 #on the phrase table and doesn't require that any subdirectories exist
 
+use warnings;
 use strict;
 
 my $MAX_LENGTH = 10;