[Genome] extracting genomic regions from locations

[Vesselin Baev]

Dear All,
 how can I retrieve sequences from locations like this automatically:

 chr----start-----stop-----strand
 9       108464802       108464823       -
 11      110286355       110286377       +
 14      101472070       101472091       +
 14      101471691       101471712       +
 14      101487793       101487815       +
 7       137472049       137472068       +
 X       49940888        49940909        +


 Thanks!
 Vesko




 --
 ------------------------------------------------
 Dr. Vesselin Baev
 University of Plovdiv
 Dept. Molecular Biology
 Bioinformatics Group
 Tzar Assen 24
 Plovdiv 4000, BULGARIA
 032/ 261 (534)
 089/ 43 80 945
 Skype: vesselin_baev
 vebaev at gmail.com
 baev at uni-plovdiv.bg