add line in file and change file name

Shell Programming and Scripting
1

HI

I have 100 files in below folder:-

/home/lkj/TEST

File name like below

undo_ARL01003_120907-155022.mos
undo_ARL01006_120908-155042.mos

i want replace one first line of each file to pt all
i want change file name as below.

ARL01003.mos
ARL01006.mos

Thanks

2

Hi,
may be this help you:

3

That's rather a roundabout way of doing it... See Useless Use of Backticks.

OLDIFS="$IFS"
IFS="-_."

ls | while read A B C D EXT
do
        echo mv "${A}_${B}_${C}-${D}.${EXT}" "${B}.${EXT}"
done

IFS="$OLDIFS"

Remove the echo once you've tested it and are sure it does what you want.

1 Like