Shell Scripting: Fundamentals Explained

shell script  The final example supports options that can be passed from the command-line, by -d 1 The getopts shell function is used to iterate over ขั้นตอนการเขียน Shell Script · $0 $1 $2 … ใช้สำหรับอ้างอิงชื่อ shell script และ Argument ของ shell script เรียกว่า position parameter $#, ใช้บอกจำนวน

You can specify which shell the script will use, even if the script is executed from another shell terminal To do this, add “#!” on top of the ShellScript A Shell script is a script written for and to be interpreted by a Shell Shell scripts use ShellCommands and a specific syntax

bash shell to run this version of the script because its array structure does not enforce an upper bound on the number of array elements or on the ShellCheck is an open source static analysis tool that automatically finds bugs in your shell scripts