What does chop do?

ddump is a utility that dump Debugging Information from elf file to TEMP.    What do the last two lines in below code snippet exactly do?


open TEMP, "$ddump -D $elf|" or die("\nError dumping file!\n");
....
....
$line = <TEMP>;
chop($line);
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naseeamAsked:
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TintinConnect With a Mentor Commented:
$line = <TEMP>;

Reads one line from the filehandle TEMP, ie: the output of the ddump command

chop($line);

Removes the last character from value of $line.

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Guy Hengel [angelIII / a3]Connect With a Mentor Billing EngineerCommented:
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ozoConnect With a Mentor Commented:
perldoc -f chop
       chop VARIABLE
       chop( LIST )
       chop    Chops off the last character of a string and returns the char-
               acter chopped.  It is much more efficient than "s/.$//s"
               because it neither scans nor copies the string.  If VARIABLE is
               omitted, chops $_.  If VARIABLE is a hash, it chops the hash's
               values, but not its keys.

               You can actually chop anything that's an lvalue, including an
               assignment.

               If you chop a list, each element is chopped.  Only the value of
               the last "chop" is returned.

               Note that "chop" returns the last character.  To return all but
               the last character, use "substr($string, 0, -1)".

               See also "chomp".
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Adam314Connect With a Mentor Commented:
In the code you have above, it would probably be safer to use chomp
http://perldoc.perl.org/functions/chomp.html
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naseeamAuthor Commented:
Quick response.  Great Answers!
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