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You can do this in Bash, although I wouldn't :)


$ shopt -s compat31
$ string="<title>This is a test</title>"
$ [[ "$string" =~ "<title>(.*)</title>" ]] && echo ${BASH_REMATCH[1]} | tr...

It looks like you are calling various Perl scripts from from within shell. Basically, each Perl process has its own range of memory, and one process cannot access another processes memory structures...

for i in range(0, len(listname)+1):
print ' '.join(listname[0:i])

What system are you running this on?