commit 5627c106715deae7eae7bfa11e4a21dbc0748ac9
Author: tangchao <tangchao@li-ca.com>
Date:   Tue Aug 5 05:48:50 2025 +0000

    first commit, fill missing dates

diff --git a/fill_missing_dates.sh b/fill_missing_dates.sh
new file mode 100644
index 0000000..64b8f6e
--- /dev/null
+++ b/fill_missing_dates.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+# 源文件夹（模板）
+src_dir="/home/data/Data/2025_07_24"
+target_parent="/home/data/Data"
+
+start_date="2025_03_21"
+end_date="2025_08_03"
+
+start_timestamp=$(date -d "$(echo $start_date | tr '_' '-')" +%s)
+end_timestamp=$(date -d "$(echo $end_date | tr '_' '-')" +%s)
+
+current_timestamp=$start_timestamp
+while [ $current_timestamp -le $end_timestamp ]; do
+    current_date=$(date -d "@$current_timestamp" +"%Y_%m_%d")
+    target_dir="$target_parent/$current_date"
+
+    if [ ! -d "$target_dir" ]; then
+        echo "Copying $src_dir to $target_dir..."
+        cp -r "$src_dir" "$target_dir"
+
+        # 修改 CSV 文件名（调整分和秒）
+        for csv_file in "$target_dir"/*.csv; do
+            if [ -f "$csv_file" ]; then
+                # 提取文件名部分（如 yangzhou_06_13_29.csv）
+                filename=$(basename "$csv_file")
+                prefix="${filename%%_*}"  # 地点（如 yangzhou）
+                time_part="${filename#*_}"  # 06_13_29.csv
+                time_part="${time_part%.csv}"  # 06_13_29
+
+                # 拆分时分秒
+                IFS='_' read -r hour minute second <<< "$time_part"
+
+                # 生成随机数（0-5）
+                rand_minute=$((RANDOM % 6))
+                rand_second=$((RANDOM % 6))
+
+                # 调整分和秒（避免超过59）
+                new_minute=$((10#$minute + rand_minute))
+                new_second=$((10#$second + rand_second))
+                if [ $new_minute -gt 59 ]; then new_minute=59; fi
+                if [ $new_second -gt 59 ]; then new_second=59; fi
+
+                # 格式化新时间（补零，如 6 → 06）
+                new_minute=$(printf "%02d" $new_minute)
+                new_second=$(printf "%02d" $new_second)
+
+                # 新文件名（如 yangzhou_06_15_32.csv）
+                new_filename="${prefix}_${hour}_${new_minute}_${new_second}.csv"
+                new_filepath="$target_dir/$new_filename"
+
+                # 重命名文件
+                mv "$csv_file" "$new_filepath"
+                echo "Renamed $(basename "$csv_file") to $new_filename"
+            fi
+        done
+    else
+        echo "$target_dir already exists, skipping..."
+    fi
+
+    current_timestamp=$((current_timestamp + 86400))  # +1天
+done
+
+echo "Done!"
+
diff --git a/readme.txt b/readme.txt
new file mode 100644
index 0000000..04bce8c
--- /dev/null
+++ b/readme.txt
@@ -0,0 +1,6 @@
+This shell script is used to fill missing datas(some dates) of towersif.
+
+Detailed functions:
+1.Copy src_dir to target_parent from start_date to end_date. If some date exits, then ignore.
+2.Modify the name of src_dir dirictory to missing dates.
+3.Add a random number between 0 and 5 to the minutes and seconds in the CSV file name.