Apr 18, 2023 · If at least one of these conditions is met, the script outputs “At least one condition is true.” Otherwise, it outputs “Both conditions are failed.” 2. Using Logical AND (&&) in Shell …

Jul 30, 2024 · A Shell script is a plain text file. This file contains different commands for step-by-step execution. These commands can be written directly into the command line but from a re …

Mar 15, 2023 · Bash is a powerful shell that provides a wide range of special variables that can be used to manipulate and control the behavior of scripts. These variables provide essential …

Jul 22, 2018 · In shell scripts, what is the difference between $@ and $*? Which one is the preferred way to get the script arguments? Are there differences between the different shell …

Dec 31, 2023 · The provided Bash script sets two example values, value1 and value2, to 10 and 20, respectively.It then employs an if statement to check two conditions.The first condition …

Apr 3, 2012 · In brief, $@ expands to the arguments passed from the caller to a function or a script. Its meaning is context-dependent: Inside a function, it expands to the arguments …

Mar 28, 2024 · In a shell script, you can handle signals like Ctrl+C (also known as SIGINT) using the trap command. Ctrl+C generates a SIGINT signal when the user presses it to interrupt the …

Jun 19, 2015 · Interestingly, the shell will even do the twiddle thing ~ and << left and >> right SHIFTs. And so if a is true OR b^100 is true, the expansion evals to 1, matches the …

Aug 1, 2019 · This is the exit status of the last executed command. For example the command true always returns a status of 0 and false always returns a status of 1:. true echo $? # echoes …

shell-script; Share. Improve this question. Follow edited Sep 4, 2013 at 10:02. cuonglm. 157k 41 41 gold badges 339 339 silver badges 415 415 bronze badges. asked Sep 4, 2013 at 9:57. …