5 files changed, 9 insertions, 9 deletions

diff --git a/utils/genmovecode.sh b/utils/genmovecode.sh
index ddde0f7..cf13441 100755
--- a/utils/genmovecode.sh
+++ b/utils/genmovecode.sh
@@ -4,7 +4,7 @@ cc -DDEBUG h48_to_lst.c ../src/nissy.c -o h48_to_lst
 
 gen() {
         for f in cubes/move_??_*.txt; do
-                move="$(echo $f | sed 's/.*_// ; s/\.txt//')"
+                move="$(echo "$f" | sed 's/.*_// ; s/\.txt//')"
                 printf '#define _move_cube_%s fastcube( \\\n    ' "$move"
                 ./h48_to_lst <"$f"
                 printf ')\n'
diff --git a/utils/genmoveswitch.sh b/utils/genmoveswitch.sh
index 4fe057c..3b2a74b 100755
--- a/utils/genmoveswitch.sh
+++ b/utils/genmoveswitch.sh
@@ -2,7 +2,7 @@
 
 printf '\tswitch (m) {\n'
 for f in cubes/move_??_*.txt; do
-        t="$(echo $f | sed 's/.*_// ; s/\.txt//')"
+        t="$(echo "$f" | sed 's/.*_// ; s/\.txt//')"
         printf '\tcase %s:\n\t\treturn _move(%s, c);\n' "$t" "$t"
 done
 printf '\t}\n'
diff --git a/utils/gentranscode.sh b/utils/gentranscode.sh
index e3e199e..9a1de2c 100755
--- a/utils/gentranscode.sh
+++ b/utils/gentranscode.sh
@@ -10,7 +10,7 @@ sedsrc() { sed '3s/$/ };/ ; 3q'; }
 
 gen() {
         for f in cubes/transform_??_???.txt; do
-                trans="$(echo $f | sed 's/.*_// ; s/\.txt//')"
+                trans="$(echo "$f" | sed 's/.*_// ; s/\.txt//')"
                 printf '#define _trans_cube_%s fastcube( \\\n    ' "$trans"
                 ./h48_to_lst <"$f"
                 printf ')\n'
diff --git a/utils/gentransswitch.sh b/utils/gentransswitch.sh
index 447c9be..20e2bfb 100755
--- a/utils/gentransswitch.sh
+++ b/utils/gentransswitch.sh
@@ -2,8 +2,8 @@
 
 printf '\tswitch (t) {\n'
 for f in cubes/transform_??_???.txt; do
-        t="$(echo $f | sed 's/.*_// ; s/\.txt//')"
-        mirror_or_rotation="$(echo $t | grep m)"
+        t="$(echo "$f" | sed 's/.*_// ; s/\.txt//')"
+        mirror_or_rotation="$(echo "$t" | grep m)"
         if [ -z "$mirror_or_rotation" ]; then
                 m="rotation"
         else
diff --git a/utils/gentranstests.sh b/utils/gentranstests.sh
index 62ebbda..a257a0a 100755
--- a/utils/gentranstests.sh
+++ b/utils/gentranstests.sh
@@ -8,9 +8,9 @@ i=100
 while read -r line; do
         [ -z "$line" ] && continue
 
-        trans_piece="$(echo $line | awk '{print $1}' | tr -d 'rm')"
-        move1="$(echo $line | awk '{print $2}')"
-        move2="$(echo $line | awk '{print $3}')"
+        trans_piece="$(echo "$line" | awk '{print $1}' | tr -d 'rm')"
+        move1="$(echo "$line" | awk '{print $2}')"
+        move2="$(echo "$line" | awk '{print $3}')"
 
         rotation="rotation $trans_piece"
 
@@ -23,7 +23,7 @@ while read -r line; do
         i=$((i+1))
 
         mirrored="mirrored $trans_piece"
-        move2m="$(echo ${move2} | tr 'LR' 'RL')3"
+        move2m="$(echo "${move2}" | tr 'LR' 'RL')3"
 
         file1="$(ls cubes | grep "move_.*_${move1}.txt")"
         file2="$(ls cubes | grep "move_.*_${move2m}.txt")"