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日期:2024-07-08
#!/bin/bash # Usage: scriptname argument # Here argument is height of pyramid # Output would be pyramid pattern of stars # 0 * # 1 *** # 2 ***** # 3 ***** # 4 ***** # 5...
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日期:2024-07-06
This tutorial explains how to find out the current working directory under Linux / *BSD / Apple OS X / Unix like operating systems using pwd and store to a shell variable. ... I am working on a shell script. I need to find out the current working director...
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日期:2024-07-08
Having an array of variables is of no use unless you can use those values somehow. This tech-recipe shows a few methods for looping through the values of an array in the bash shell. Take, for example, the array definition below: names=( Jennifer Tonya Ann...
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日期:2024-07-10
#!/bin/bash#!/bin/bash # SCRIPT: selectionsort.sh # # LOGIC : Here, to sort the data in ascending order, the first element # ARRAY[0] is compared with all the other elements till the end of the # array. If it is greater than any other the elements then th...
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日期:2024-07-06
Infinite while loop example: while [ 1 ] do echo "infinite while loop example" done Infinite while loop in a single line: while [ 1 ]; do echo "infinite while loop example"; done -Sany...
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日期:2024-07-06
As you see the ... As you see the if statement can nested, similarly loop statement can be nested. You can nest the for loop. To understand the nesting of for loop see the following shell script....
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日期:2024-07-04
Q. I have a XML file which contain below content, I want to get all IP’s in to one array, Passwords in to other array, Usernames in to third array and instanceCount to other array. Can you show me how write a shell script for this?...
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日期:2024-07-03
This is a small script which will takecare of blocking and unblocking ports by asking user about his desire. Just copy this code to your system and change permissions and ... iptables -A INPUT -m tcp -p tcp –dport “$PORT1″ -j ACCEPT && { service iptables ...