25 lines
388 B
Bash
Executable File
25 lines
388 B
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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echo "开始测试循环..."
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data="line1
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line2
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line3"
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echo "数据行数: $(echo "$data" | wc -l)"
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echo "进入循环..."
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count=0
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while IFS= read -r line; do
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((count++))
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echo "处理第 $count 行: $line"
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if [[ $count -eq 1 ]]; then
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echo "只处理第一行，退出测试"
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break
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fi
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done <<< "$data"
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echo "循环结束"
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