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2014/7/17 --eq is an arithmetic operator, which compares two numbers. Use = (portable/standard sh ), =~ or == instead.
2010/2/10 -In addition to previous answers, you can also use case statement to compare strings once you have a predefined set of values to choose from. For ...
For more advanced string comparison operations, we can use the bash builtin [[ command, which supports a variety of string comparison and pattern-matching ...
2023/3/13 -You can write an 'if' statement on a single line if you add ; : if [[ "str1" == "str2" ]]; then compare=true; else compare=false; fi.
2026/10/21 -Comparing strings is one of the most fundamental operations in Bash scripting. Use == and != for equality checks, =~ for regex matching, and -z ...
A binary comparison operator compares two variables or quantities. Note that integer and string comparison use a different set of operators. integer comparison.
2013/1/30 -How can I have the if segment evaluate/compare the variable to a string input rather than an integer; a different error was required when using ...
2020/12/3 -Always wrap your variables with quotes, because if it is empty, your Bash script would encounter a syntax error. (Not because it would try to ...
2026/1/13 -Knowing how to bash compare strings is an important skill for validating user input or processing text data.
2015/12/9 -I need to compare two strings and ignoring the case of the contents. IF [ $first != $second ]. Anything I can add to this command so that the ...