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champak

12-16-2007 04:04 AM

Using Delimiters to get the end of the string

Hi..

Im want to extract a part of a word. Say for example, in
abcd_def_fgh i want abcd_def. That is except the text occuring after the the last delimiter(_).Also the length and the number of delimiters are not fixed.

Some more examples:
blah_blah_blah_blah ->blah_blah_blah
a_b_c->a_b
t_d->t

Any ideas on how this can be done?

Thanks.

ghostdog74

12-16-2007 04:23 AM

in bash

Code:

# echo $s

blah_blah_blah_blah_set

# echo ${s%_*}

blah_blah_blah_blah

champak

12-16-2007 06:01 AM

Thanks man

matthewg42

12-16-2007 06:15 AM

In Perl:

Code:

my $s = "blah_blah_blah_blah_set";

$s =~ s/_[^_]*$//;

print "$s\n";

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