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@agent.kgb:

You don't need GNU-tar, it is possible with a standard tar too by untarring to stdout:

tar xf - /path/to/file.tar | grep "<what-you-search>"

@sanjaydubey2006:

As far as i can...

Try:
awk '!(NR%1000)' infile

If you sort the file into reverse order then the latest child is located first.

nl input |sort -r -n

find . -type f -name '*.*.mp3' -exec rm {} +

Attention: the command above will remove all the files that have two (2) dots in their names and end by .mp3!

Make sure you have a valid backup...

Something like this?


for i in ${SUB_ARR[@]}
do
SUB_LIST=$i'_LIST'
for j in $(eval echo \${$SUB_LIST[@]})
do
echo $j
done
done


HTH
--ahamed

The only really safe way is to run cat once for every file. Also by avoiding "ls" we can deal with filenames containing space characters.


# Initialise concatonated file (which is not in this...