linux - Need help in batch renaming files with bash shell script -


i have 50+ files in following format :

abcd_vish_running_zebra_20140818.dat_08-14-2014_23:08:23<br> abcd_vish_running_zeb-ra_20140818.dat_08-14-2014_23:08:35<br> abcd_vish_running_zeb_ra_20140818.dat_08-14-2014_23:08:37<br> abcd_vish_running_ri-ng_20140818.dat_08-14-2014_23:08:42<br> abcd_vish_running_ring_20140818.dat_08-14-2014_23:08:45<br> abcd_vish_running_ri_ng_20140818.dat_08-14-2014_23:08:52<br>

(zebra,zeb-ra,zeb_ra,ri-ng,ring,ri_ng given show pattern)

i need rename above files following format :

abcd_vish_running_zebra_20140818.dat<br> abcd_vish_running_zeb-ra_20140818.dat<br> abcd_vish_running_zeb_ra_20140818.dat<br> abcd_vish_running_ri-ng_20140818.dat<br> abcd_vish_running_ring_20140818.dat<br> abcd_vish_running_ri_ng_20140818.dat <br>

now how achieve shell scripting ? i'm new scripting. kindly help.

cheers.

using rename:

rename 's/[.]dat_.*/.dat/' *.dat_*

using for loop in bash:

for f in *.dat_*;     echo mv -- "$f" "${f/%.dat_*/.dat}" done

remove echo when confirmed.

using mmv:

mmv "*.dat_*" "#1.dat"

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