Add gradient example

1 files changed, 2 insertions, 2 deletions

diff --git a/image.sh b/image.sh
index b697688..80dba42 100755
--- a/image.sh
+++ b/image.sh
@@ -8,6 +8,6 @@ db() { sqlite3 -list "$DB" "$@"; }
 
 image_id="$1"
 echo "P3"
-db "SELECT width, height FROM images WHERE id=$image_id" | awk -F'|' '{ print $1 " " $2 }'
+db "SELECT width, height FROM images WHERE id='$image_id'" | awk -F'|' '{ print $1 " " $2 }'
 echo "255"
-db "SELECT r,g,b FROM pixels WHERE image_id=$image_id ORDER BY y ASC, x ASC" | tr '|' ' '
+db "SELECT r,g,b FROM pixels WHERE image_id='$image_id' ORDER BY y ASC, x ASC" | tr '|' ' '