shell script string to float

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shell script string to float

You should be aware that bash (as opposed to ksh93, zsh or yash) only performs integer arithmetic. If you have floating point numbers (numbers with decimals), ... , This bash code returns integer for integers like 123, float for floating point numbers like 123.4 and string for any other input values like "123", ..., bash does not supporting floating point arithmetic (only integer arithmetic). You need to pass the operations to a tool like bc . You can do this using bc . For example echo "$ONE + $TWO + $THREE" | bc give the sum of these numbers., You can use awk to produce a success/failure depending on the condition: # exit 0 (success) when load average greater than 3.5, so take the ...,Hi guys, I'm new here. I have a problem at work. One of our scripts was eventually having a bug and only detected recently. Here's the issue and background: ... , Try this, I use to compare the float with bc . VERSION=$(cat /etc/debian_version) echo $VERSION if [ "`echo "$VERSION} < 9.0" | bc`" -eq 1 ]; ..., Any of these will work from the shell command line. bc is probably your ... #include <stdlib.h> #include <string.h> int main() const char *d1 ...,echo "$((20.0/7))" # (ksh93/zsh/yash, not bash) $ awk "BEGIN print (20+5)/2}" ... Using printf ability to print floats we can extend most shells to do floating point ... ,Bash only has integers, no floats. You'll need a tool like bc to properly assign the value of result : result=$(bc -l <<<"$NUM}*$MEGA}"). Or you can use awk : , Bash doesn't understand floating-point numbers. ... values are guaranteed to be in the same form and range, you can do string comparisons:

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shell script string to float 相關參考資料
Argument string to integer in bash - Unix &amp; Linux Stack ...

You should be aware that bash (as opposed to ksh93, zsh or yash) only performs integer arithmetic. If you have floating point numbers (numbers with decimals),&nbsp;...

https://unix.stackexchange.com

bash - shell script to check if input is a stringintegerfloat ...

This bash code returns integer for integers like 123, float for floating point numbers like 123.4 and string for any other input values like &quot;123&quot;,&nbsp;...

https://askubuntu.com

Convert string to decimal and calculate, in shell scripting ...

bash does not supporting floating point arithmetic (only integer arithmetic). You need to pass the operations to a tool like bc . You can do this using bc . For example echo &quot;$ONE + $TWO + $THRE...

https://stackoverflow.com

Converting string to floating point number without bc in bash ...

You can use awk to produce a success/failure depending on the condition: # exit 0 (success) when load average greater than 3.5, so take the&nbsp;...

https://stackoverflow.com

Converting String To IntegerFloat (weird case) - UNIX and Linux ...

Hi guys, I&#39;m new here. I have a problem at work. One of our scripts was eventually having a bug and only detected recently. Here&#39;s the issue and background:&nbsp;...

https://www.unix.com

how to convert a string to a float and then use it in a ...

Try this, I use to compare the float with bc . VERSION=$(cat /etc/debian_version) echo $VERSION if [ &quot;`echo &quot;$VERSION} &lt; 9.0&quot; | bc`&quot; -eq 1 ];&nbsp;...

https://unix.stackexchange.com

How to convert string to integer in UNIX - Stack Overflow

Any of these will work from the shell command line. bc is probably your ... #include &lt;stdlib.h&gt; #include &lt;string.h&gt; int main() const char *d1&nbsp;...

https://stackoverflow.com

How to do integer &amp; float calculations, in bash or other languages ...

echo &quot;$((20.0/7))&quot; # (ksh93/zsh/yash, not bash) $ awk &quot;BEGIN print (20+5)/2}&quot; ... Using printf ability to print floats we can extend most shells to do floating point&nbsp;...

https://unix.stackexchange.com

In BASH convert a string with . in float - Stack Overflow

Bash only has integers, no floats. You&#39;ll need a tool like bc to properly assign the value of result : result=$(bc -l &lt;&lt;&lt;&quot;$NUM}*$MEGA}&quot;). Or you can use awk :

https://stackoverflow.com

In bash shell script how do I convert a string to an number ...

Bash doesn&#39;t understand floating-point numbers. ... values are guaranteed to be in the same form and range, you can do string comparisons:

https://stackoverflow.com