diff --git a/scripts/hooks/on-add b/scripts/hooks/on-add
index f991d5187..ee635363b 100755
--- a/scripts/hooks/on-add
+++ b/scripts/hooks/on-add
@@ -10,7 +10,7 @@ read -r new_task
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo "$new_task"
+printf "%s\n" "$new_task"
 echo 'on-add'
 
 # Status:
diff --git a/scripts/hooks/on-add.the b/scripts/hooks/on-add.the
index 605a897f5..bd702a1f2 100644
--- a/scripts/hooks/on-add.the
+++ b/scripts/hooks/on-add.the
@@ -2,11 +2,11 @@
 
 read -r new_task
 
-if (echo "$new_task" | grep -qE '[tT]eh');
+if (printf "%s" "$new_task" | grep -qE '[tT]eh');
 then
-  new_task=$(echo "$new_task" | sed -r 's/([tT])eh/\1he/g')
+  new_task=$(printf "%s" "$new_task" | sed -r 's/([tT])eh/\1he/g')
   echo "Auto-corrected 'teh' --> 'the'"
 fi
 
-echo "$new_task"
+printf "%s" "$new_task"
 exit 0
diff --git a/scripts/hooks/on-modify b/scripts/hooks/on-modify
index 81d62fda8..e1bfa75c8 100755
--- a/scripts/hooks/on-modify
+++ b/scripts/hooks/on-modify
@@ -12,8 +12,8 @@ read -r modified_task
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo "$modified_task"
-echo 'on-modify'
+printf "%s" "$modified_task"
+printf "%s" 'on-modify'
 
 # Status:
 # - 0:     JSON accepted, non-JSON is feedback.
diff --git a/test/test_hooks/on-add-accept b/test/test_hooks/on-add-accept
index 1ae58a7df..55cb13af4 100755
--- a/test/test_hooks/on-add-accept
+++ b/test/test_hooks/on-add-accept
@@ -5,12 +5,12 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo $new_task
+printf "%s\n" "$new_task"
 echo 'FEEDBACK'
 
 # Status:
diff --git a/test/test_hooks/on-add-misbehave2 b/test/test_hooks/on-add-misbehave2
index 0de6d3f79..626775f24 100755
--- a/test/test_hooks/on-add-misbehave2
+++ b/test/test_hooks/on-add-misbehave2
@@ -5,7 +5,7 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-add-misbehave3 b/test/test_hooks/on-add-misbehave3
index fcae57687..2810c3bdf 100755
--- a/test/test_hooks/on-add-misbehave3
+++ b/test/test_hooks/on-add-misbehave3
@@ -5,12 +5,12 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo $new_task
+printf "%s\n" "$new_task"
 echo '{"description":"extra","status":"pending"}'
 echo 'FEEDBACK'
 
diff --git a/test/test_hooks/on-add-misbehave4 b/test/test_hooks/on-add-misbehave4
index 9a6358240..62883131c 100755
--- a/test/test_hooks/on-add-misbehave4
+++ b/test/test_hooks/on-add-misbehave4
@@ -5,7 +5,7 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-add-misbehave5 b/test/test_hooks/on-add-misbehave5
index b40c65514..21fc7f43c 100755
--- a/test/test_hooks/on-add-misbehave5
+++ b/test/test_hooks/on-add-misbehave5
@@ -5,7 +5,7 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-add-misbehave6 b/test/test_hooks/on-add-misbehave6
index f8fce7be8..e9454f962 100755
--- a/test/test_hooks/on-add-misbehave6
+++ b/test/test_hooks/on-add-misbehave6
@@ -5,7 +5,7 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-add-modify b/test/test_hooks/on-add-modify
index 175332985..26a592abe 100755
--- a/test/test_hooks/on-add-modify
+++ b/test/test_hooks/on-add-modify
@@ -2,17 +2,17 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
-if (echo $new_task | grep -qE '[tT]eh');
+if (printf "%s\n" "$new_task" | grep -qE '[tT]eh');
 then
-  new_task=$(echo $new_task | sed -r 's/([tT])eh/\1he/g')
+  new_task=$(printf "%s\n" "$new_task" | sed -r 's/([tT])eh/\1he/g')
 fi
 
 # Output:
 # - JSON, modified
 # - Optional feedback/error.
-echo $new_task
+printf "%s\n" "$new_task"
 echo 'FEEDBACK'
 
 # Status:
diff --git a/test/test_hooks/on-add-reject b/test/test_hooks/on-add-reject
index 2ffce157b..b6bf4452c 100755
--- a/test/test_hooks/on-add-reject
+++ b/test/test_hooks/on-add-reject
@@ -5,12 +5,12 @@
 
 # Input:
 # - Line of JSON for proposed new task.
-read new_task
+read -r new_task
 
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo $new_task
+printf "%s\n" "$new_task"
 echo 'FEEDBACK'
 
 # Status:
diff --git a/test/test_hooks/on-add.dummy b/test/test_hooks/on-add.dummy
index 983fbfbaf..052e0a5eb 100755
--- a/test/test_hooks/on-add.dummy
+++ b/test/test_hooks/on-add.dummy
@@ -2,9 +2,9 @@
 
 echo "on-add executed"
 
-while read TASK; do
+while read -r TASK; do
     echo "New task $TASK"
-    echo $TASK
+    printf "%s\n" "$TASK"
 done
 
 exit 0
diff --git a/test/test_hooks/on-exit-bad b/test/test_hooks/on-exit-bad
index 09eb6a787..9a9eb3be7 100755
--- a/test/test_hooks/on-exit-bad
+++ b/test/test_hooks/on-exit-bad
@@ -5,7 +5,7 @@
 
 # Input:
 # - Read-only line of JSON for each task added/modified
-while read modified_task
+while read -r modified_task
 do
   echo 'CHANGED TASK'
 done
diff --git a/test/test_hooks/on-exit-good b/test/test_hooks/on-exit-good
index 407bacdb2..f29002877 100755
--- a/test/test_hooks/on-exit-good
+++ b/test/test_hooks/on-exit-good
@@ -5,7 +5,7 @@
 
 # Input:
 # - Read-only line of JSON for each task added/modified
-while read modified_task
+while read -r modified_task
 do
   echo 'CHANGED TASK'
 done
diff --git a/test/test_hooks/on-exit.dummy b/test/test_hooks/on-exit.dummy
index a7ec37faa..e1422299a 100755
--- a/test/test_hooks/on-exit.dummy
+++ b/test/test_hooks/on-exit.dummy
@@ -2,7 +2,7 @@
 
 echo "on-exit executed"
 
-while read TASK; do
+while read -r TASK; do
     echo "New/modified task $TASK"
 done
 
diff --git a/test/test_hooks/on-modify-accept b/test/test_hooks/on-modify-accept
index c7de4b5db..638f69878 100755
--- a/test/test_hooks/on-modify-accept
+++ b/test/test_hooks/on-modify-accept
@@ -6,13 +6,13 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo $modified_task
+printf "%s\n" "$modified_task"
 echo 'FEEDBACK'
 
 # Status:
diff --git a/test/test_hooks/on-modify-misbehave2 b/test/test_hooks/on-modify-misbehave2
index b61ded758..59015e887 100755
--- a/test/test_hooks/on-modify-misbehave2
+++ b/test/test_hooks/on-modify-misbehave2
@@ -6,8 +6,8 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-modify-misbehave3 b/test/test_hooks/on-modify-misbehave3
index 2c7d206be..76a861bf6 100755
--- a/test/test_hooks/on-modify-misbehave3
+++ b/test/test_hooks/on-modify-misbehave3
@@ -6,13 +6,13 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo $modified_task
+printf "%s\n" "$modified_task"
 echo '{"description":"extra","status":"pending"}'
 echo 'FEEDBACK'
 
diff --git a/test/test_hooks/on-modify-misbehave4 b/test/test_hooks/on-modify-misbehave4
index acdf37b56..c815596bb 100755
--- a/test/test_hooks/on-modify-misbehave4
+++ b/test/test_hooks/on-modify-misbehave4
@@ -6,8 +6,8 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-modify-misbehave5 b/test/test_hooks/on-modify-misbehave5
index 546e177ca..fd61294cc 100755
--- a/test/test_hooks/on-modify-misbehave5
+++ b/test/test_hooks/on-modify-misbehave5
@@ -6,8 +6,8 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-modify-misbehave6 b/test/test_hooks/on-modify-misbehave6
index 4522a621a..6d32a5cf8 100755
--- a/test/test_hooks/on-modify-misbehave6
+++ b/test/test_hooks/on-modify-misbehave6
@@ -6,8 +6,8 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
diff --git a/test/test_hooks/on-modify-reject b/test/test_hooks/on-modify-reject
index 952e7360d..2e1d14bcc 100755
--- a/test/test_hooks/on-modify-reject
+++ b/test/test_hooks/on-modify-reject
@@ -6,13 +6,13 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo $modified_task
+printf "%s\n" "$modified_task"
 echo 'FEEDBACK'
 
 # Status:
diff --git a/test/test_hooks/on-modify-revert b/test/test_hooks/on-modify-revert
index 0d21a37f8..d96310a24 100755
--- a/test/test_hooks/on-modify-revert
+++ b/test/test_hooks/on-modify-revert
@@ -6,13 +6,13 @@
 # Input:
 # - line of JSON for the original task
 # - line of JSON for the modified task, the diff being the modification
-read original_task
-read modified_task
+read -r original_task
+read -r modified_task
 
 # Output:
 # - JSON, modified or unmodified.
 # - Optional feedback/error.
-echo $original_task
+printf "%s\n" "$original_task"
 
 # Status:
 # - 0:     JSON accepted, non-JSON is feedback.
diff --git a/test/test_hooks/on-modify.dummy b/test/test_hooks/on-modify.dummy
index ecdd7d5d4..225041318 100755
--- a/test/test_hooks/on-modify.dummy
+++ b/test/test_hooks/on-modify.dummy
@@ -2,9 +2,10 @@
 
 echo "on-modify executed"
 
-while read TASK MODTASK; do
-    echo "Existing task $TASK modified to $MODTASK"
-    echo $MODTASK
-done
+read -r TASK
+read -r MODTASK
+
+echo "Existing task $TASK modified to $MODTASK"
+printf "%s\n" "$MODTASK"
 
 exit 0