shell script string to int
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. ,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. ,I know you can use the the "expr" or "bc" command to automatically convert the string to a number then add them together. But I don't want to add these numbers, ... , See ARITHMETIC EVALUATION in man bash : Constants with a leading 0 are interpreted as octal numbers. You can remove the leading zero ...,lets say i want to convert a string "76" to integer 76. How would I do this in BASH? I remember in Pascal I could do something like char ('7' ,Use the following instead of for i in 1..$Lastday} for i in $(seq 1 $LASTDAY}) ; do echo $i done. This will work. ,The standard solution: expr $d1 - $d2. You can also do: echo $(( d1 - d2 )). but beware that this will treat 07 as an octal number! (so 07 is the same as 7 , but 010 ... , The regex below will extract the number of bytes, only the number: contentlength=$( LC_ALL=C sed ...
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 shell script string to int 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 Argument string to integer in bash - Unix StackExchange
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 Convert a String to a Number - UNIX and Linux Forums
I know you can use the the "expr" or "bc" command to automatically convert the string to a number then add them together. But I don't want to add these numbers, ... https://www.unix.com Convert string into integer in bash script - "Leading Zero ...
See ARITHMETIC EVALUATION in man bash : Constants with a leading 0 are interpreted as octal numbers. You can remove the leading zero ... https://stackoverflow.com Converting string to integer in BASH - LinuxQuestions.org
lets say i want to convert a string "76" to integer 76. How would I do this in BASH? I remember in Pascal I could do something like char ('7' https://www.linuxquestions.org How to convert string to integer in Bash? - Stack Overflow
Use the following instead of for i in 1..$Lastday} for i in $(seq 1 $LASTDAY}) ; do echo $i done. This will work. https://stackoverflow.com How to convert string to integer in UNIX - Stack Overflow
The standard solution: expr $d1 - $d2. You can also do: echo $(( d1 - d2 )). but beware that this will treat 07 as an octal number! (so 07 is the same as 7 , but 010 ... https://stackoverflow.com String to integer in Shell - Unix & Linux Stack Exchange
The regex below will extract the number of bytes, only the number: contentlength=$( LC_ALL=C sed ... https://unix.stackexchange.com |