mirror of
https://github.com/juewuy/ShellCrash.git
synced 2026-03-11 16:01:28 +00:00
47 lines
1.8 KiB
Bash
47 lines
1.8 KiB
Bash
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bar_max=42 #进度条长度
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curl_fsize(){ # 获取文件大小
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fsize_raw=0
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header=$(curl -sIL --connect-timeout 2 "$url")
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# 代理容错
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[ -z "$header" ] && { export https_proxy=""; export http_proxy=""; header=$(curl -sIL --connect-timeout 2 "$url"); }
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# 提取大小 (优先 Content-Length，其次 ETag)
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fsize_raw=$(echo "$header" | grep -i 'Content-Length' | tail -n 1 | awk '{print $2}' | tr -d '\r' | awk '{print int($1)}')
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if [ -z "$fsize_raw" ] || [ "$fsize_raw" -eq 0 ]; then
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etag=$(echo "$header" | grep -i 'etag' | tail -n 1 | cut -d '"' -f2 | cut -d '-' -f1)
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[ -n "$etag" ] && fsize_raw=$(printf "%d" 0x$etag 2>/dev/null)
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fi
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}
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execute_curl(){ # 手搓curl进度条
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local path="$1" target_url="$2" total_size="$3" extra_args="$4"
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rm -f /tmp/webget_res
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# 后台静默下载，状态码写入临时文件
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curl $extra_args -s -L -w '%{http_code}' "$target_url" -o "$path" > /tmp/webget_res &
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local pid=$!
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# 循环监控
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while kill -0 $pid 2>/dev/null; do
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if [ -f "$path" ]; then
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local curr=$(wc -c < "$path")
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local pct=$(awk -v c=$curr -v t=$total_size 'BEGIN {p=(c*100/t); if(p>100)p=100; printf "%.1f", p}')
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local num=$(awk -v p=$pct -v w=$bar_max 'BEGIN {printf "%d", p*w/100}')
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local bar=$(printf "%${num}s" | tr ' ' '#'); local spc_n=$((bar_max - num))
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local spc=""; [ "$spc_n" -gt 0 ] && spc=$(printf "%${spc_n}s")
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local size=$(( fsize_raw * 100 / 1048576 ))
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local fs="$((size / 100)).$((size % 100)) MB"
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printf "\r\033[2K%s%s %6s%%(%s)" "$bar" "$spc" "$pct" "$fs" >&2
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fi
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usleep 200000 2>/dev/null || sleep 1
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done
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local code=$(cat /tmp/webget_res 2>/dev/null)
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if [ "$code" = "200" ] || [ "$code" = "206" ]; then
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local full=$(printf "%${bar_max}s" | tr ' ' '#')
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printf "\r\033[2K%s 100.0%%(%s)\n" "$full" "$fs" >&2
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else
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printf "\r\033[2K" >&2; [ -f "$path" ] && rm -f "$path"
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fi
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echo "$code"
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} |