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2009/1/18 -I'm trying to find a way to determine the difference between two strings in my script. I could easily do this with diff or comm, but I'm not ...
2025/10/6 -When using the diff command, it points out two main types of differences: lines that have been removed, and lines that have been added. Removed ...
2020/4/27 -The diff command analyzes two files and prints the lines that are different. Can I use the same diff command to compare two strings? $ more file ...
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 ...
2026/1/13 -We then use the test command and the = operator to compare these two strings. If the strings are equal, we print Strings are equal . If they're ...
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.
2015/12/9 -In bash, you can perform case conversions easily e.g. if var="vAlUe" then $ echo "${var^^}" VALUE. while $ echo "${var,,}" value.
2025/8/3 -If you wish to string comparisons to work properly, then 0 characters may need to be prepended to the strings before comparing. What is shown ...
2020/2/15 -Compare strings in Bash with =, ==, !=, -z and -n. Learn empty vs unset values, substring and glob matching, case-insensitive checks, ...
2023/7/24 -You can compare string values in test conditions as well. Press enter or click to view image in full size. Checking string equality:.