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action:Execute_a_Shell_Script
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action:Execute_a_Shell_Script [2020/07/08 22:43] peternlewis Handling multiple arguments within a single variable |
action:Execute_a_Shell_Script [2021/09/18 16:32] ccstone [Using Keyboard Maestro Variables] |
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| {{:action:km7-shell-script.png?nolink|}} | {{:action:km7-shell-script.png?nolink|}} | ||
| + | |||
| + | Keep in mind that `$KMVAR_[variable_name]` is a shell environment variable. | ||
| + | |||
| + | * This is format is directly accessible to `bash, sh, zsh, etc.` | ||
| + | * But other languages will probably require you to reach out to the shell environment. | ||
| + | * Perl for instance requires: `my $var = $ENV{KMVAR_VarName};` | ||
| ==== Python ==== | ==== Python ==== | ||
| Accessing Keyboard Maestro Variables in Python is somewhat different. Here is an example: | Accessing Keyboard Maestro Variables in Python is somewhat different. Here is an example: | ||
| + | |||
| + | REQUIRES: The following two Keyboard Maestro variables to exist and contain the requisite text: | ||
| + | |||
| + | local_DataStr | ||
| + | local_CharToCount | ||
| ```python | ```python | ||
| #!/usr/bin/env python | #!/usr/bin/env python | ||
| + | # Python Version: 2.7.x | ||
| + | |||
| import os | import os | ||
| print os.environ['KMVAR_local_DataStr'].count(os.environ['KMVAR_local_CharToCount']) | print os.environ['KMVAR_local_DataStr'].count(os.environ['KMVAR_local_CharToCount']) | ||
| Line 49: | Line 62: | ||
| ==== awk ==== | ==== awk ==== | ||
| - | [Using shell variables in awk](https://stackoverflow.com/a/15787068/915019) is also different than in most other shell languages. You need to pass the environment variable as parameter to the -v flag. | + | [Using shell variables in awk](https://stackoverflow.com/a/15787068/915019) is also different than in most other shell languages. You need to pass the shell variable as parameter to the -v flag. |
| Some examples: | Some examples: | ||
| ```bash | ```bash | ||
| - | # EXAMPLE 1 | + | # EXAMPLE 1 – Using an awk variable in an awk script: |
| + | |||
| + | awk -v myVar=4 'BEGIN {print "myVar is " myVar}' | ||
| + | |||
| + | # --> My var is 4 | ||
| + | |||
| + | # --------------------------------------------------------------------------------------- | ||
| + | |||
| + | # EXAMPLE 2 – Printing a shell variable with awk: | ||
| + | |||
| + | myShellVariable='What can I do for you today?' | ||
| + | |||
| + | awk -v awkVariable="$myShellVariable" 'BEGIN {print "The value of VAR is: " awkVariable}' | ||
| + | |||
| + | # --> The value of VAR is: What can I do for you today? | ||
| - | echo | awk -v my_var=4 '{print "My var is " my_var}' | + | # --------------------------------------------------------------------------------------- |
| - | #-->My var is 4 | + | |
| - | # EXAMPLE 2 | + | # EXAMPLE 3 – Using KM Variables with awk |
| - | VAR=3 | + | (You must have a value in the Keyboard Maestro variable My_KM_Variable.) |
| - | echo | awk -v env_var="$VAR" '{print "The value of VAR is " env_var}' | + | |
| - | #-->The value of VAR is 3 | + | |
| - | # USING KM VARIABLES with awk | + | awk -v awkVariable="$KMVAR_My_KM_Variable" 'BEGIN {print "The value of My_KM_Variable is: \""awkVariable"\""}' |
| - | echo | awk -v env_var="$KMVAR_My_KM_Variable" '{print "The value of My_KM_Variable is: \""env_var"\""}' | + | # --> The value of My_KM_Variable is: "Contents of KM Variable: My_KM_Variable" |
| - | #-->The value of My_KM_Variable is: "Text from KM var" | + | |
| ``` | ``` | ||
action/Execute_a_Shell_Script.txt · Last modified: 2023/09/22 04:39 by peternlewis
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