you could pass a 200 line script like this - though you might find it a pain to write all on one line.

So, write it on multiple lines. -e may be repeated:

 
    $ perl -wl -e 'print "This is line 1";' \
               -e 'print "This is line 2";' \
               -e 'print "This is line 3";' \
               -e 'print "This is line 4";' \
               -e 'print "This is line 5";'
[download]

works like a charm.

-p (looping plus)

in longhand it looks like this:

    while(<>) { print ; }
[download]

Actually, it's a bit more subtle than that, as can be shown by using the deparser:

      
    $ perl -MO=Deparse -pe '1'
    LINE: while (defined($_ = <ARGV>)) {
        '???';
    }  
    continue {
        print $_;
    }
    -e syntax OK
[download]

The print is done in a continue block, so it will print even if you use next in the supplied code. Note also the label.

-a (split)

in longhand:

    split;
[download]

Well, that should be: @F = split;, but it should be noteworthy that -a only works in combination with -n or -t.

    perl -01512 -e
[download]

This is what I get when I run it:

 
    $ perl -01512 -e 1
    Unrecognized switch: -2  (-h will show valid options).
    $
[download]

You can only use -0 to set $/ to a one character string - not to set it to \r\n.

Abigail

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