Write a Bash script that takes one argument and prints “even” if the first argument is an even number or “odd” if the first argument is an odd number. Write a Bash script that takes two arguments. If both arguments are numbers, print their sum, otherwise just print both arguments. ...
The bash eval command is a built-in function that takes arguments and executes them as a bash command. It’s a powerful tool that can make your bash scripts more dynamic and adaptable. But with great power comes great responsibility, so it’s important to understand how it works and how ...
function that takes a non-const string. */_rl_adjust_point ((char*)string, i, &ps);if((v = _rl_get_char_len ((char*)string+ i, &ps)) >1) { i += v -1;continue; } }#endif/* HANDLE_MULTIBYTE */if((!substring_okay && (whitespace (c) || c ==':'|| (history_search...
for Output in $(ls)do cat "$Output"done# while 循环：while [ true ]do echo "loop body here..." breakdone# 你也可以使用函数# 定义函数：function foo (){ echo "Arguments work just like script arguments: $@" echo "And: $1 $2..." echo "This is a function" ...
Power Function: Write a Bash script that defines a function called power which takes two numbers as arguments and prints the result of raising the first number to the power of the second number. Code: #!/bin/bash # Define the power function ...
-h) help;shift 1;; # function help is called -f) opt_f=1;shift 1;; # variable opt_f is set -l) opt_l=$2;shift 2;; # -l takes an argument -> shift by 2 --) shift;break;; # end of options -*) echo "error: no such option $1. -h for help";exit 1;; ...
If you frequently encounter the “cd: too many arguments” error due to repetitive directory navigation tasks, consider creating a Bash function that simplifies this process. A function can handle multiple arguments more gracefully and can be tailored to your specific needs. ...
To point out and clarify typical intermediate level semantic problems that cause a shell to behave strangely and counter-intuitively. To point out subtle caveats, corner cases and pitfalls that may cause an advanced user's otherwise working script to fail under future circumstances. ...
Write a Bash script that defines a function named maximum that takes two numbers as arguments and prints the maximum of the two. Code: #!/bin/bash # Define the maximum function maximum() { local num1=$1 local num2=$2 if [ $num1 -gt $num2 ]; then ...
It can be made into a function that takes arguments. This function can then be called whenever a series of data needs to be written to an array or file. It could be used to write a basic database. I suppose it has as many applications as we have imagination to apply it to. ...