shell parse number from string
In bash, one does not "convert an argument to an integer to perform arithmetic". In bash, variables are treated as integer or string depending on context. ,2012年5月14日 — You can use grep : $ echo "abcderwer 123123 10,200 asdfasdf iopjjop" | egrep -o '[0-9]2},[0-9]3}' 10,200. ,2011年6月17日 — Just a simple sed command will do the job: sed 's/[^0-9]//g' file.txt. OUTPUT. 3 34 3. ,2017年2月28日 — Shell Programming & Scripting. Extract number from string. Original Post by dsravanam. ,2017年5月12日 — This one works for me: #!/bin/bash word="/dev/sda5 233371648 242774015 9402368 4,5G 82 Linux swap / Solaris" separated=$(echo $word} ... ,2015年7月8日 — Using Bash Parameter Expansion: var='SynPS/2 Synaptics TouchPad id=14 [slave pointer (2)]' num="$var/*TouchPad id=/}" # replaces . ,2016年12月20日 — Here a listed few of many ways how to extract number from a string. For all the examples below we will use sentence I am 999 years old. where ... ,2015年5月28日 — How to extract numbers from a string? linux bash shell substring sh. I have string contains a path string="toto.titi.12. ,2014年8月7日 — Here's an awk version: awk -F'[_-]' 'print "Version number : "$3; print "Release number : "$4}'.
| 相關軟體 PuTTY 資訊 | |
|---|---|
 shell parse number from string 相關參考資料
Argument string to integer in bash - Unix & Linux Stack ...
In bash, one does not "convert an argument to an integer to perform arithmetic". In bash, variables are treated as integer or string depending on context. https://unix.stackexchange.com Bash - Extract numbers from String - Stack Overflow
2012年5月14日 — You can use grep : $ echo "abcderwer 123123 10,200 asdfasdf iopjjop" | egrep -o '[0-9]2},[0-9]3}' 10,200. https://stackoverflow.com Extract integer from string using bash - Stack Overflow
2011年6月17日 — Just a simple sed command will do the job: sed 's/[^0-9]//g' file.txt. OUTPUT. 3 34 3. https://stackoverflow.com Extract number from string. - UNIX and Linux Forums
2017年2月28日 — Shell Programming & Scripting. Extract number from string. Original Post by dsravanam. https://www.unix.com Extract numbers from bash string and save the resut into array ...
2017年5月12日 — This one works for me: #!/bin/bash word="/dev/sda5 233371648 242774015 9402368 4,5G 82 Linux swap / Solaris" separated=$(echo $word} ... https://stackoverflow.com extract numbers from string in bash script - Stack Overflow
2015年7月8日 — Using Bash Parameter Expansion: var='SynPS/2 Synaptics TouchPad id=14 [slave pointer (2)]' num="$var/*TouchPad id=/}" # replaces . https://stackoverflow.com How to extract a number from a string using Bash example ...
2016年12月20日 — Here a listed few of many ways how to extract number from a string. For all the examples below we will use sentence I am 999 years old. where ... https://linuxconfig.org How to extract numbers from a string? - Stack Overflow
2015年5月28日 — How to extract numbers from a string? linux bash shell substring sh. I have string contains a path string="toto.titi.12. https://stackoverflow.com regex parsing a string to extract numbers in shell script - Stack ...
2014年8月7日 — Here's an awk version: awk -F'[_-]' 'print "Version number : "$3; print "Release number : "$4}'. https://stackoverflow.com |