/bin/bash##file name: getopts.sh##Sample script that takes two parameters, a, b, c, and v using getopts.#Parameters a and c are simple on/off switches#The b parameter takes a value.#The v parameter will be used to keep track of a verbosity level;# more '-v's results in a hig...
Parsing options with arguments Options that themselves have arguments are signified with a:. The argument to an option is placed in the variableOPTARG. In the following example, the optionttakes an argument. When the argument is provided, we copy its value to the variabletarget. If no argument...
Arguments for bash script interfaceChristian Margreitter
$1, $2...$nThe bash script arguments. $$The process id of the current shell. $#The total number of arguments passed to the script. $@The value of all the arguments passed to the script. $?The exit status of the last executed command. ...
A sample run looks like: $ ./a.sh -host foo -user me -pass secret some args host = foo user = me pass = secret args = some args 转自: http://stackoverflow.com/questions/4882349/parsing-shell-script-arguments
You will not see the arguments passed to the commands which is usually helpful when trying to debug a bash script. You may find useful to use both. ### Define Debug environment ### Filename: my-debug-env if [[ -v TRACE ]]; then echo "Run TRACE mode" set -o xtrace # same as...
The usage output of the script is: Usage: count [OPTIONS] N A simple counter. POSITIONAL ARGUMENTS N Number to count OPTIONS -r, --reverse Count reverse -t, --text TEXT Print TEXT when finished counting (default: done) -h, --help Show this help message and exit EXAMPLES count 8 Coun...
# Use bash for the shell SHELL ["/bin/bash", "-o", "pipefail", "-c"] # Create a script file sourced by both interactive and non-interactive bash shells ENV BASH_ENV /home/user/.bash_env RUN touch "${BASH_ENV}" RUN echo '. "${BASH_ENV}"' >> ~/.bashrc # Download and ...
known as arguments—to specify data to be used as values for variables in the scripts is one method for accomplishing this. Another is the use of options and option arguments. This article explores these two methods for getting data into the script and controlling the script's execution path....
User inputs and command-line arguments zx provides the question function to capture user inputs from the command line interface. You can enable traditional Unix tab completion as well with the choices option. The following script captures a filename and template from the user. After that, it ...