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为什么-t 2和-t 3会少空格呢?求指导
echo -e '1\t2' > t expand -t 1 t 1 2 expand -t 2 t 1 2 expand -t 3 t 1 2
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\t 是指对齐到哪一列,而不是代表几个空格。简单测一下:
for i in {1..8}; do echo -e '1\t12\t123\t1234\t12345\t123456' | expand -t $i - ; done 1 12 123 1234 12345 123456 1 12 123 1234 12345 123456 1 12 123 1234 12345 123456 1 12 123 1234 12345 123456 1 12 123 1234 12345 123456 1 12 123 1234 12345 123456 1 12 123 1234 12345 123456 1 12 123 1234 12345 123456
\t 是指对齐到哪一列,而不是代表几个空格。简单测一下: