POSIX

spells/cantrips/fathom-cursor

@@ -1,53 +1,44 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 # This spell reveals the x and y coordinates of the cursor in the terminal window.
 
 # Define the function to calculate the position of the cursor
 fathom_cursor() {
-    local position
-    local x=false
-    local y=false
-    local verbose=false
-    while getopts 'vxy' flag; do
-        case "${flag}" in
-            --verbose|v) verbose=true ;;
-            x) x=true ;;
-            y) y=true ;;
+    x=false
+    y=false
+    verbose=false
+    for arg; do
+        case "$arg" in
+            --verbose|-v) verbose=true ;;
+            -x) x=true ;;
+            -y) y=true ;;
         esac
     done
 
-	  # Get the position of the cursor
-	  stty -echo
-		printf "\033[6n"
-		while IFS=';' read -r -d R ROW COL; do
-		    break
-		done
-		stty echo
-		position=$(printf "%s;%s" "${COL%%R*}" "${ROW#*[}")
+    # Get the position of the cursor
+    stty -echo
+    printf "\033[6n"
+    IFS=';' read -r -d R ROW COL
+    stty echo
+    position=$(printf "%s;%s" "${ROW#*[}" "${COL%%R*}")
 
-    if [ $x = true ] && [ $y = true ]; then
-        if [ $verbose = true ]; then
-        	printf "X: %s\n" "${position##*;}"
-         	printf "Y: %s\n" "${position%%;*}"
+    if $x && $y; then
+        if $verbose; then
+            printf "X: %s\n" "${position%%;*}"
+            printf "Y: %s\n" "${position##*;}"
         else
-        	printf "%s\n" "${position##*;}"
-         	printf "%s\n" "${position%%;*}"
+            printf "%s\n" "${position%%;*}"
+            printf "%s\n" "${position##*;}"
         fi
     else
-        if [ $x = true ]; then
-            if [ $verbose = true ]; then
-                printf "X: "
-            fi
-            printf "%s\n" "${position##*;}"
-        elif [ $y = true ]; then
-            if [ $verbose = true ]; then
-                printf "Y: "
-            fi
+        if $x; then
+            [ "$verbose" = true ] && printf "X: "
             printf "%s\n" "${position%%;*}"
+        elif $y; then
+            [ "$verbose" = true ] && printf "Y: "
+            printf "%s\n" "${position##*;}"
         else
-            if [ $verbose = true ]; then
-                printf "Position: "
-            fi
+            [ "$verbose" = true ] && printf "Position: "
             printf "%s\n" "$position"
         fi
     fi
@@ -63,4 +54,4 @@ test_fathom_cursor() {
     assert_equal "$(./fathom-cursor)" "$(./fathom-cursor -x -y)" "fathom_cursor and -x -y outputs differ"
 }
 
-fathom_cursor "$@"
+fathom_cursor "$@"