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Simple Perl Script to remove folders in MAX OSX

Posted on 2013-06-27
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Last Modified: 2013-07-03
I need to do the following in a MAC terminal over and over as part of testing and want to include it in a .pl script:

#Remove Existing MySQL
sudo rm "/usr/local/mysql";
sudo rm -rf "/usr/local/mysql*";
sudo rm -rf "/Library/StartupItems/MySQLCOM";
sudo rm -rf "/Library/PreferencePanes/My*";
#sudo nano /etc/hostconfig  EDIT the MySQL bottom line out.
rm -rf "~/Library/PreferencePanes/My*";
sudo rm -rf "/Library/Receipts/mysql*";
sudo rm -rf "/Library/Receipts/MySQL*";
sudo rm -rf "/private/var/db/receipts/*mysql*";
#Removed Existing MySQL

How can I acheive that?  I tried with the syntax above, but it is obviously wrong.
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Question by:weklica
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6 Comments
 
LVL 26

Expert Comment

by:wilcoxon
ID: 39283433
Why not just use a shell script?  Shell scripts pretty much use the same syntax as the command line.

If you really want to use a Perl script, this should work:
use strict;
use warnings;
foreach my $cmd (<DATA>) {
    next if ($cmd =~ m{^\s*#});
    system($cmd) == 0 or die "$cmd failed: $?";
}
__DATA__
#Remove Existing MySQL
sudo rm "/usr/local/mysql"
sudo rm -rf "/usr/local/mysql*"
sudo rm -rf "/Library/StartupItems/MySQLCOM"
sudo rm -rf "/Library/PreferencePanes/My*"
#sudo nano /etc/hostconfig  EDIT the MySQL bottom line out.
rm -rf "~/Library/PreferencePanes/My*"
sudo rm -rf "/Library/Receipts/mysql*"
sudo rm -rf "/Library/Receipts/MySQL*"
sudo rm -rf "/private/var/db/receipts/*mysql*"
#Removed Existing MySQL

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Author Comment

by:weklica
ID: 39283439
I need to use perl because the rest of the script is in perl.  Do I need to do anything to isolate this from the rest of the script or just paste it above or below the rest of it?
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Expert Comment

by:Dave Baldwin
ID: 39283453
The code you posted is shell commands, not Perl.  You can probably put it all in a shell script that you can call from Perl.
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Author Comment

by:weklica
ID: 39283462
I will just copy it above my perl script and hope it works.  not sure how to do anything in perl including the suggesting above, so i will let you know.  

Thanks
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LVL 26

Accepted Solution

by:
wilcoxon earned 500 total points
ID: 39283464
You could either create a shell script that you call from Perl (as DaveBaldwin said) or you could copy the code I provided in.

To copy my code into your script:
The part above __DATA__ can go anywhere
__DATA__ and below must go at the end of the script
If there is already a __DATA__ section in your script, it will not work

To write a shell script, create a new file with the below in it:
#!/bin/sh
#Remove Existing MySQL
sudo rm "/usr/local/mysql";
sudo rm -rf "/usr/local/mysql*";
sudo rm -rf "/Library/StartupItems/MySQLCOM";
sudo rm -rf "/Library/PreferencePanes/My*";
#sudo nano /etc/hostconfig  EDIT the MySQL bottom line out.
rm -rf "~/Library/PreferencePanes/My*";
sudo rm -rf "/Library/Receipts/mysql*";
sudo rm -rf "/Library/Receipts/MySQL*";
sudo rm -rf "/private/var/db/receipts/*mysql*";
#Removed Existing MySQL

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And then put this in your Perl script:
# replace script.sh with whatever you named the file above
system("script.sh") == 0 or die "script.sh failed: $?";

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Author Closing Comment

by:weklica
ID: 39297926
Thanks much!  Very helpful.
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