-bash-3.2$ head 1.txt
1320000351
1320000035
1320000554
1320000035
1320000236
1320000557
1320000556
-bash-3.2$ cat 1.sh
#!/bin/sh
awk '{
a[$0]++;
b ++;
}
END {
for (k in a)
{
print k,a[k];
};
print "Total "b;
}
' 1.txt|sort -r -n -k2 > 2.txt
-bash-3.2$
sort 排序,-r 从大到小,-n 按照数字排序,-k2 以第2列排序
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