Get only numbers in output

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I need to get only numbers from this: release/M_0.1.0 thus, need to extract with bash to have in output this: 0.1.0. I have tried this but cannot finish it: echo "release/M_0.1.0" | awk -F'/' '{print $2}'

And what about if given such string? relea234se/sdf23_4Mm0.1.0.8. How to get only 0.1.0.8? Please pay attention that this can be random digits such as 0.2 or 1.9.1.

You could also use general parameter expansion parsing to literally remove characters up through the last that isn't digits or dots.

$: ver() { echo "${1//*[^.0-9]/}"; }
$: ver release/M_0.1.0
0.1.0
$: ver relea234se/sdf23_4Mm0.1.0.8
0.1.0.8

is_numeric - Manual, The above example will output: '42' is numeric 1337 is Note that the function accepts extremely big numbers and correctly evaluates them. For example: <? php for strings, it return true only if float number has a dot is_numeric( '42.1' )// true Now to grep the numbers alone from the text you can use >grep -Eo '[0-9]{1,4}' testfile 32 12 132 1324 will be output. Here "-o" is used to only output the matching segment of the line, rather than the full contents of the line.

With sed you can do:

echo "release/M_0.1.0" | sed 's@.*_@@'

Output:

0.1.0

How to extract number only from text string in Excel?, The following long formula can help you to extract only the numbers from the text strings, please do as this: Select a blank cell where you want to output the� Laravel output only numbers in a string Someone knows a way that i can get only numbers from a string? For example, my string is: 456.456.56/0001-45AB.

Please check if this grep command works

echo "release/M_0.1.0" | egrep -o '[0-9.]+'

Extract Numbers from a String in Excel (Using Formulas or VBA), Watch Video – How to Extract Numbers from text String in Excel (Using Formula This formula will work only in Excel 2016 as it uses the newly introduced want to check the output of a part of the formula, select the cell, press F2 to get into� Iterate each element in the list using for loop and check if number is greater than or equal to 0. If the condition satisfies, then only print the number.

Considering that your Input_file will be same as shown samples.

echo "$var" | awk -F'_' '{print $2}'

OR could use sub:

echo "$var" | awk '{sub(/.*_/,"")} 1'

With simple bash you could use:

echo "${var#*_}"

Extract all integers from the given string in Java, Given a string str consisting of digits, alphabets and special The task is to extract all the integers from the given string. Output: 1 35 99 11� Num = regexp (A,'\d') tells you where the digits are, but you'll have to do some work to make those into numbers- for example '1000' will come up as 4 results are there are 4 digits, even though they make one number antonet on 10 Jul 2012

echo release/M_0.1.0 | awk -F\_ '{print $2}'
0.1.0

Calculate sum of all numbers present in a string, Input: 1abc23 Output: 24 Input: geeks4geeks Output: 4 Input: 1abc2x30yz67 Output: 100 Input: 123abc C++ program to calculate sum of all numbers present string str = "12abc20yz68" ;. cout << findSum(str);. return 0;. }� Actually in my case I need to select street number from a address string, which means if the string is '1234 dummy789 road', I only want to get '1234', not '1234789'. Thanks John Rowan

output only numbers from mixed string it must be late because I'm sure this is an easy task with grep sed or awk string would be anything mixing numbers letters and ) ( = output I need is just the numbers but I just can't seem to get it to work.

Summary: Learn how to format numeric output in Windows PowerShell by using format specifiers and numeric constants. How can I print the amount of free space on a fixed disk in MB with two decimal places? Use a format specifier as shown here: “{0:n2}”-f ((gwmi win32_logicaldisk -Filter “drivetype=’3′”).freespace/1MB) What if I want to display the output in GB with three decimal places?

to send output to standard output (screen). Here, System is a class; out is a public static field: it accepts output data. Don't worry if you don't understand it. We will discuss class, public, and static in later chapters. Let's take an example to output a line.

Comments
  • Is your input coming from a file, a pipe, and variable or something else?
  • Darn it, that's the first thing I tried and I got the syntax wrong and thought bash couldn't do it that way :-) !
  • I managed something Ed goofed? I think I'll mark this on my calendar and preen for a bit, lol ;)