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Welcome to Part 2 of How to write apps for macOS/OSX in Perl! See Part 1 to get started with the built-in macOS devtool Automator. This edition demonstrates how to:

  • Process choices with Perl from an Applescript dialog to:
    1. Display output from Perl to an Applescript dialog.
    2. Execute Perl in Terminal to display its output.
    3. Send output from Perl to an application (TextExit).
Applescript is to the operating system what Javascript is the the web browser. It can do many things and what it can't do can always be handled by shell commands and especially Perl! When the code below is saved by Automator as something like PerlVersionTool.app you will have a 1.3MB portable binary application! Double click and ENJOY!
  • Other techniques covered here include:
    1. Visiting websites (Perlmonks of course!)
    2. Displaying notifications
    3. Application control
    4. Applescript subroutines
    5. Abusing buttons to widen dialogs
    6. How to rule your world with Perl!
Source:
(* Demonstration macOS/OSX app in AppleScript and Perl *) (* Posted to perlmonks.org by Anonymous Monk 6/14/2018 *) (* Node: How to write apps for macOS/OSX in Perl! Part 2 *) set TITLE to "Perl Version Tool" set PROMPT to "Make a selection" set _1 to "Perl version, patchlevel and license" set _2 to "Perl configuration summary" set _3 to "Perl command line help" set _4 to "Visit Perlmonks.org!" repeat set what to choose from list {_1, _2, _3, _4} with title TITLE wit +h prompt PROMPT OK button name {"View"} cancel button name {"Exit"} d +efault items _1 set what to what as string if what is _1 then set CMD to "perl -v" # ONE LINERS OR PROGRAMS OF ANY SIZE! else if what is _2 then set CMD to "perl -V" else if what is _3 then set CMD to "perl -h" else if what is _4 then display notification "Opening The Monastery Gates!" set CMD to "open https://perlmonks.org" else if what is "false" then return # EXIT end if if what is _2 then # SEND PERL CODE TO TERMINAL AND EXECUTE doShell(CMD) else if what is _3 then # CAPTURE PERL STDOUT set CMD to do shell script CMD # SEND PERL STDOUT TO TEXTEDIT textEdit(CMD) else # CAPTURE PERL STDOUT set RES to do shell script CMD # MAKE DIALOG WIDE set SPC to " + " # PRINT PERL STDOUT TO APPLESCRIPT ALERT display alert TITLE message RES buttons {SPC & "Cool" & SPC} d +efault button 1 end if end repeat # APPLESCRIPT SUBS: on doShell(CMD) try tell application "Terminal" activate tell application "System Events" to keystroke "n" using {c +ommand down} end tell tell application "System Events" tell application process "Terminal" set frontmost to true keystroke CMD keystroke return end tell end tell on error oops display alert oops as critical end try end doShell on textEdit(CMD) try tell application "TextEdit" activate tell application "System Events" to keystroke "n" using {c +ommand down} end tell tell application "System Events" tell application process "TextEdit" set frontmost to true keystroke CMD end tell end tell on error oops display alert oops as critical end try end textEdit

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