CISC 220 Lecture Notes - Lecture 5: Exit Status, Scripting Language, Microsoft Dynamics Ax
25 Nov 2017
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What is a scripting language: designed to control operation of other software applications, can be used interactively or by putting a series of commands into a file (script, usually interpreted (not compiled) In c/java/etc: assignment statement, call a function. In bash: set value of shell variable, built in shell commands (cd, ls, etc. ) Exit status numerical value (what youre returning, like return 0 but now its exit n where n is your exit status int: 0 means success. Exit status of last command: after you call a command, you can echo 0 and it will return the exit status of what command you ran. If you don"t have an exit status command in your script, it will give it the exit status of the last command in the script. //[] signifies optional things if test-commands; then consequent-commands; [else consequent-commands;] fi // if backward ends if.
