commit 0d9b8f8b204b080a7702e725953b1cb46f5871e8
parent ea1970983d0e06f8d151453b8abb02a9ff534409
Author: regexghost <regexghost@protonmail.com>
Date: Fri, 8 May 2026 19:45:28 +0100
added geohash.go
Diffstat:
3 files changed, 96 insertions(+), 2 deletions(-)
diff --git a/terminal-scripts/Makefile b/terminal-scripts/Makefile
@@ -11,3 +11,5 @@ normal:
cp heic_to_jpg.sh ${BIN}/heictojpg
go build -o tablealigner tablealigner.go
mv tablealigner ${BIN}/tablealigner
+ go build -o geohash geohash.go
+ mv geohash ${BIN}/geohash
diff --git a/terminal-scripts/geohash.go b/terminal-scripts/geohash.go
@@ -0,0 +1,92 @@
+package main
+
+import (
+ "fmt"
+ "os"
+ "strconv"
+)
+
+// I wrote this script a long time ago and I copied an example algorithm from the internet
+// I can't find that source now, but another example implementation can be seen here:
+// https://www.movable-type.co.uk/scripts/geohash.html
+
+const BASE_32 string = "0123456789bcdefghjkmnpqrstuvwxyz"
+
+func printHelp() {
+ fmt.Println("Usage:")
+ fmt.Println(" geohash lat lon [precision]")
+}
+
+func main() {
+ if len(os.Args) < 3 {
+ printHelp()
+ os.Exit(1)
+ }
+
+ var lat string = os.Args[1]
+ var lon string = os.Args[2]
+ var precision string = "12"
+ if len(os.Args) == 4 {
+ precision = os.Args[3]
+ }
+
+ fmt.Println(encode(lat, lon, precision))
+}
+
+func getFloat64(input string) float64 {
+ res, err := strconv.ParseFloat(input, 64)
+ if err != nil {
+ panic(err)
+ }
+ return res
+}
+
+func getInt(input string) int {
+ res, err := strconv.Atoi(input)
+ if err != nil {
+ panic(err)
+ }
+ return res
+}
+
+func encode(latInput, lonInput, precisionInput string) string {
+ var lat float64 = getFloat64(latInput)
+ var lon float64 = getFloat64(lonInput)
+ var precision int = getInt(precisionInput)
+
+ var n, s int = 0, 0
+ var o bool = true
+ var r, c, d, l float64 = -90, 90, -180, 180
+ var encodedString string = ""
+
+ for len(encodedString) < precision {
+ if o {
+ var e2 float64 = (d + l) / 2
+ if lon >= e2 {
+ n = 2 * n + 1
+ d = e2
+ } else {
+ n = n * 2
+ l = e2
+ }
+ } else {
+ var t2 float64 = (r + c) / 2
+ if lat >= t2 {
+ n = 2 * n + 1
+ r = t2
+ } else {
+ n = n * 2
+ c = t2
+ }
+ }
+ o = !o
+ s++
+ if s == 5 {
+ encodedString = encodedString + string(BASE_32[n])
+ s = 0
+ n = 0
+ }
+ }
+
+ return encodedString
+}
diff --git a/terminal-scripts/rm-trash.sh b/terminal-scripts/rm-trash.sh
@@ -27,12 +27,12 @@ for arg; do
! [ -e "$filename" ] && echo "File/Directory doesn't exit" && continue
if [ -d "$filename" ]; then
- if [ -z "$(ls -"$filename")" ]; then
+ if [ -z "$(ls -A "$filename")" ]; then
read -p "${dialog} ${filename} (empty dir) (y/N) " confirm
else
read -p "${dialog} ${filename} (non-empty dir) (y/N) " confirm
fi
- [ "$uservar" = "y" ] && "$command" -- "$filename"
+ [ "$confirm" = "y" ] && "$command" -- "$filename"
continue
fi
