Hello everyone, I am a newbie and hope you forgive if this question is simple to your eyes. I have been looking at this code for some time:

perl -sple"BEGIN{open BIG};($undef,$l)=split;read(BIG,$_,$l)" -- -BIG=bigfile.dat index.dat >outfile.dat

The index file contains two columns, one for the offset and the second for a number of characters to read. The code works fine but it seems to be processing the bigfile sequentially, by this I mean it starts at 0 reads the first value in column 2 of the index file and writes out that many characters, next it continues from there and writes out the next group of x characters as identified by the next value in column 2 of the index file.

How can I force a reposition of the read inside the big file by using the value in column 1 of the index file anytime a new read has to occur?

Can the logic be added to the one liner above?

Additionally how do I add a CR to each record that is going to the output file?

Thanks to all.

In reply to Offset Reading - two files by gio001

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