fix: remove old-style bash backticks

.gitignore

@@ -24,7 +24,7 @@
 # scripts
 *.bat
 *.cmd
-*.sh
+#*.sh
 
 # windows thumbnail cache files
 Thumbs.db

compile.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+
+echo "Xmas compile.sh script"
+
+FSUFFIX="zZz_XMAS_EVENT_v23_pak"
+ZIPSPLIT=134217728 # 128 MiB
+PAK=0
+
+# 7z command varies depending on distro
+ZIPCOMMAND=`command -v 7z`
+if [[ -z "$ZIPCOMMAND" ]]; then
+    ZIPCOMMAND=`command -v 7za`
+fi
+if [[ -z "$ZIPCOMMAND" ]]; then
+    ZIPCOMMAND=`command -v 7zz`
+fi
+if [[ -z "$ZIPCOMMAND" ]]; then
+    echo "7zip not available"
+    exit
+fi
+
+# remove any existing pk3s
+if [[ -f "$FSUFFIX$PAK.pk3" ]]; then
+    rm *.pk3
+fi
+
+echo "Compiling data..."
+ZIPOUTPUT=$($ZIPCOMMAND a -tzip "$FSUFFIX$PAK.pk3" "./data/"*) #>/dev/null 2>&1
+
+# read in map list
+MAPSRAW=()
+while IFS='' read -r L; do
+    if [[ "${L:0:1}" == '#' || -z "$L" ]]; then
+        continue
+    fi
+
+    if [[ ! -d "maps/maps/$L" ]]; then
+        echo "Directory (maps/\"$L\") from maplist does not exist"
+        continue
+    fi
+
+    MAPSRAW+=("$L")
+done < maps/maplist
+
+# reverse sort
+MAPS=()
+readarray -td '' MAPS < <(printf '%s\0' "${MAPSRAW[@]}" | sort -r -z)
+
+echo "Found ${#MAPS[@]} maps in maplist"
+echo "Compiling map pk3s..."
+
+# build
+i=1
+for MAP in "${MAPS[@]}"; do
+    MAPSIZE=$(du -s -b "maps/maps/$MAP" | cut -f1)
+    printf "%2i / %-2i %-32s %-4s %10d KiB \n" $i ${#MAPS[@]} $MAP "pak$PAK" $(($MAPSIZE / 1024))
+
+    ZIPSIZE=0
+    if [[ -f "$FSUFFIX$PAK.pk3" ]]; then
+        ZIPSIZE=$(du -s -b "$FSUFFIX$PAK.pk3" | cut -f1)
+    fi
+    ZIPSIZE=$((ZIPSIZE + "$MAPSIZE"))
+    ZIPOUTPUT=$($ZIPCOMMAND a -tzip "$FSUFFIX$PAK.pk3" "./maps/maps/$MAP/"*) #>/dev/null 2>&1
+
+    if [[ "$ZIPSIZE" -gt "$ZIPSPLIT" ]]; then
+        PAK=$((PAK + 1))
+    fi
+    i=$((i+1))
+done