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[color=blue]-(dearvoid@LinuxEden:tty3)-(~/tmp)-
[2270 0] # [/color]cat file
1 2 3 4 5
[color=blue]-(dearvoid@LinuxEden:tty3)-(~/tmp)-
[2270 0] # [/color]read -a arr < file
[color=blue]-(dearvoid@LinuxEden:tty3)-(~/tmp)-
[2270 0] # [/color]for i in ${arr[*]}; do ((sum += i)); done
[color=blue]-(dearvoid@LinuxEden:tty3)-(~/tmp)-
[2270 0] # [/color]echo $sum
15
[color=blue]-(dearvoid@LinuxEden:tty3)-(~/tmp)-
[2270 0] # [/color]
[/code] À´Óµ±§Ò»¸ö°É```ºÙºÙ``лл°æÖí for sum in `cat < file`;do sum=$(($sum*2+1));done;echo $sum;
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