It looks as if you were on the right track. You just need to add the else statement after the ";" following the "then" statement. ... <看更多>

The reason is that echo always has exit code 0. If that was a command instead which can exit with a code greater than zero then "the other ... ... <看更多>

If you are writing a script that is more than 100 lines long, ... That is: ; then and ; do should be on the same line as the if/for/while. else should be on ... ... <看更多>

Read command - The read command allows you to prompt for input and store it in a variable. shell allows to prompt for user input. ... <看更多>

There is a workaround: using shell scripts to evaluate the condition, setting step outputs, and having other steps reference those outputs. ... <看更多>