Re^5: System Command Issues

This should work

use strict;
use warnings;

my $address = 'myemail@whatever.com';
my $subject = "Comments Version: $version  ID: $ID";

system( "mail $address -s '$subject' < blah6.txt" ) == 0
    or die "mail failed:  $?";
[download]

I made three changes to the code you posted:

Eliminated the s/// line since escaping is required only in a double-quoted context, but above the @ is being given in a single-quoted context, so no variable interpolation occurs.
I put the RHS of the assignment to $subject in double quotes, because in this case we do want interpolation (of $Version and $ID).
In the argument to system I put $subject in single quotes, because otherwise the shell would interpret the various words in $subject as different arguments, as opposed to the single argument for -s

This is definitely a little quoting workout! You may want to read the docs on quoting, to best make sense of the above.

the lowliest monk

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Re^6: System Command Issues by blanket (Initiate) on Jun 09, 2005 at 14:59 UTC
Ok. The code seems to have generated further errors. `use strict; use warnings; my $address = 'myemail@whatever.com'; my $subject = "Comments Version: $version ID: $ID"; system( "mail $address -s '$subject' < blah6.txt" ) == 0 or die "mail failed: $?";` [download] Generates: Variable "$ID" is not imported at myscript.pl line 137. Variable "$version" is not imported at myscript.pl line 137. Possible unintended interpolation of @whatever in string myscript.pl l +ine 154. Possible unintended interpolation of @whatever in string at myscript.p +l line 154. Global symbol "$ID" requires explicit package name at myscript.pl line + 137. Global symbol "$version" requires explicit package name at myscript.pl + line 137. Global symbol "@whatever" requires explicit package name at myscript.p +l line 154. Global symbol "@whatever" requires explicit package name at myscript.p +l line 154. Execution of myscript.pl aborted due to compilation errors. [download] Any more thoughts? I'm using Perl 5.8.0, if that makes any difference... Thanks again!	[reply] [d/l] [select]
Re^7: System Command Issues by blanket (Initiate) on Jun 09, 2005 at 15:32 UTC
<homer>Woohoo!</homer> I figured it out. It had to do with how I declared the version and ID vars, and also with the print statement directly after the system command. Many thanks to all who patiently helped me. Time for a coffee!	[reply]