25개 이상의 토픽을 선택하실 수 없습니다.
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
16 lines
620 B
16 lines
620 B
#生成文件
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for i in `seq 5000`;
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do echo $RANDOM | md5sum | cut -c 1-9;
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done>>test.txt;
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#1
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sort -u test.txt #按字母排序
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sort -u -n test.txt #按数字排序
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sort -u test.txt>1.txt #将字母排序结果覆盖写到1.txt中
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sort -u test.txt>>2.txt #将字母排序结果追加写到2.txt中
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sort -u -n test.txt>1.txt #将数字排序结果覆盖写到1.txt中
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sort -u -n test.txt>>2.txt #将数字排序结果追加写到2.txt中
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#2
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grep "abc" test.txt #找出内容包含"abc"的字符串并输出
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grep -c "abc" test.txt #统计内容包含"abc"的行数并输出
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