Problems Returning Different Values to Shell Script using Perl Script

EchoAngel has asked for the wisdom of the Perl Monks concerning the following question:

Hi Monks I have this example. Within a shell script, asdf.sh, I do `setenv script.pl`; Inside the script.pl, it will print out a menu and list options for users to enter and etc. I want to return back to the shell script the variable and data so I can set up the tools. IE setenv PEOPLE 321-23. But since i'm outputing to screen a menu, that text will get into setenv. Any help?

Comment on Problems Returning Different Values to Shell Script using Perl Script

Replies are listed 'Best First'.
Re: Problems Returning Different Values to Shell Script using Perl Script by tachyon (Chancellor) on Nov 10, 2004 at 00:20 UTC
Why not just do it all in Perl? #!/usr/bin/perl $ENV{PEOPLE} = '321-23'; # setenv PEOPLE $res = menu(); # some menu function that gets input # call shell stuff via `cmd` qx[ cmd ] system('cmd') exec('cmd') # backtics get you STDOUT results, add 2>&1 to capture STDERR as well my $results = `cmd $some $args 2>&1`; print "Got $results\n"; # system lets you check exit codes but ingnores output system("cmd"); my $exit_val = $? >> 8; # exec mutates the perl script into some other program exec("there_can_be_only_me"); [download] cheers tachyon	[reply] [d/l]
Re: Problems Returning Different Values to Shell Script using Perl Script by saintmike (Vicar) on Nov 10, 2004 at 00:02 UTC
Just print the menu to STDERR and the result to STDOUT. Similar to this shell bookmark script.	[reply]
Re: Problems Returning Different Values to Shell Script using Perl Script by perlcapt (Pilgrim) on Nov 10, 2004 at 02:55 UTC
In a shell script, you can substitute any result into any aspect of the script by enclosing the routine in backquotes. For example: $ export IE=`myScript.pl $someShellValue $etc` [download] I'm not much of a `csh` user, but I believe it would be something like this: % setenv IE `myScript.pl $someShellValue $etc` [download] I really don't understand your last statement: But since i'm outputing to screen a menu, that text will get into setenv. . Would you restate it with different words, please.	[reply] [d/l] [select]