43 lines
414 B
Markdown
43 lines
414 B
Markdown
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```
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#! /bin/env bash
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read -p "input a number:" num
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for ((i=1;i<=$num;i++))
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do
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for ((j=1;j<=i;j++))
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do
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echo -n $j
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done
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echo
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done
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for ((i=1;i<=$num;i++))
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do
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str=""
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for ((j=1;j<=i;j++))
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do
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str=$str$j
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done
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echo $str
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done
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```
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```
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me@me-EQ59:~/shell_demo/scripts/shell02$ ./print-1-5.sh
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input a number:6
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1
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12
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123
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1234
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12345
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123456
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1
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12
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123
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1234
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12345
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123456
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me@me-EQ59:~/shell_demo/scripts/shell02$
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```
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