search:shell script math calculation相關網頁資料

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    日期:2024-07-12
    I ran this script on 10’s of thousands of numbers and it takes a *long* time. That’s because you spawn an expr not once but twice for every number you average. Here is the script with your expr statement changed to native bash arithmetic expansion. #!/bin...
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    日期:2024-07-13
    To do arithmetic with dates on UNIX you get the date as the number seconds since the UNIX epoch, do some calculation, then convert back to your printable date format. The date command should be able to both give you the seconds since the epoch and convert...
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    日期:2024-07-12
    In general, the volume of the k th shell is . By allowing the thickness of each shell to become very small and summing up the volumes of the shells, we obtain the definite integral representation for the method of shells:. The animation in Figure 12 ......
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    日期:2024-07-19
    2010年6月14日 - I use math in bash scripts a lot, from simple crontab reports to Nagios monitoring plugins… Here is few small examples on how to do some ......
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    日期:2024-07-13
    2013年9月26日 - This is the last post of this series, where we will be carrying out a bit complex Mathematical operations using scripting language....
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    日期:2024-07-15
    2012年6月14日 - Also, what's the easiest way to do it just using bash for floating point, e.g. .... In the rc shell family, akanga is the one with arithmetic expansion:...
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    日期:2024-07-16
    2009年7月6日 - In the bash shell, surround arithmetic expressions with $(( ... )) ... The non-interactive version of the above calculation is: dc -e '4k 67 18 / p' ....
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    日期:2024-07-19
    Hi want to do below mathematical calculations in shellscrip but it is not giving me the exact output.Please help me to solve this Code: ......