15 июл. 2014 г. · In a shell script, how can I find out if a string is contained within another string. In bash, I would just use =~, but I am not sure how I can do the same in ... How to check if a string contains a substring in Bash How do you tell if a string contains another string in POSIX sh? How to check substring in Bourne Shell? - Stack Overflow Shell script to check if a string contains something Другие результаты с сайта stackoverflow.com

26 нояб. 2016 г. · A portable (dash,bash,ksh, etc) script containing a function: #!/bin/sh contains() { if [ "$1" ] && # Is there a source string. [ "$2" ] && # Is there shell script - Test if a string contains a substring bin/sh evaluates string while Bash does not Другие результаты с сайта unix.stackexchange.com

18 мар. 2024 г. · When working with the Linux command line, a common operation is checking if a string contains another substring.

15 июн. 2023 г. · We can do this in two ways. First, we can use Bash's regular expression matching operator ( =~ ): Click to Copy string='Hello world!'; Не найдено: bin/ | Нужно включить: bin/

19 июл. 2019 г. · The easiest approach is to surround the substring with asterisk wildcard symbols (asterisk) * and compare it with the string.

Hi All, I am trying to to compare a string variable with a string literal inside a loop but keep getting the ./testifstructure.sh: line 6: #!/bin/sh ...

4 дек. 2023 г. · In Bash, you can check if a string contains a substring using the [[ $string = *substring* ]] syntax. This command allows Bash to search within ...

22 сент. 2022 г. · The double brackets " [[...]] " string comparison test can be used in if statements to determine if one string contains another string.

18 апр. 2023 г. · One of the simplest ways to check if a string is empty or null is to use the -z and -n operators. The -z operator returns true if the string is null or empty, ...

I need help with some code to work out if a variable (string) contains any integers. The valid variable (string) must contain only letters.