String manipulation

mr_bold · #1 (**permalink**) 02-14-2007

Hi all,

Please help me decide this problem. I have a converter application getting its parameters by specified format. Ie: -date2007-02-14

Also I have a files named yyyyMMdd.rar format. So how do I convert the file name to it.
Input:
20070214.rar
Output:
-date2007-02-14

I wrote the following scripts but can't know how to concat them.

Code:

string=20070214.rar
echo $string | cut -c1-4
echo $string | cut -c5-6
echo $string | cut -c7-8

Thank you

anbu23 · #2 (**permalink**) 02-14-2007

Code:

echo 20070214.rar | sed "s/\([0-9]\{4\}\)\([0-9]\{2\}\)\([0-9]\{2\}\).*/-Date\1-\2-\3/"

mr_bold · #3 (**permalink**) 02-14-2007

Thank you very much.
I will study these kinds of string manipulation.

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