日本語のみで絞り込む
2010/11/25 -For string equality comparison, use: if [[ "$s1" == "$s2" ]]. For string does NOT equal comparison, use: if [[ "$s1" != "$s2" ]].
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 ...
2014/7/17 --eq is an arithmetic operator, which compares two numbers. Use = (portable/standard sh ), =~ or == instead.
2026/1/13 -Summary ; Multiple Methods: You can compare strings using the test command, single brackets [ ] , double brackets [[ ]] , or one-liner logic.
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.
2025/9/21 -Learn how to compare strings in Bash. This guide covers equality, inequality, and testing string length with examples for Linux systems.
2016/3/29 -String comparison can be done using test command itself. Contents. 1 The strings are equal. 1.1 Example. 2 The strings are not equal. 2.1 ...
... ... How to compare a variable to a string in bash? Comparing variables with strings bash - linux Mastering Bash Scripting: A Comprehensive Guide ...
YouTubeTechnical Rajni
Bash string comparison ; [[ "$string" == *"substring"* ]] · Test if $string contains "substring" (case-sensitive). ; [[ "$string" == "$substring"* ]] · Test if $ ...
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 ...