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Answer by Oki Abrian for Linux command to retrieve a byte range from a file
u can use splice in linux, this example in c program, and then name it fastcat.c#define _GNU_SOURCE#include <stdio.h>#include <string.h>#include <stdlib.h>#include...
View ArticleAnswer by jeffpkamp for Linux command to retrieve a byte range from a file
I know this is old, and asked for a "linux" command in the title, but python is perfect for this and comes with most linux distributions. It's as easy as this:python -c...
View ArticleAnswer by Janne Pikkarainen for Linux command to retrieve a byte range from a...
The DareDevil of the Unix commands, dd to the rescue!dd if=yourfile ibs=1 skip=200 count=100That would start from byte 200 and show 100 next bytes, or in other words, bytes 200-300. ibs means dd only...
View ArticleAnswer by Sirch for Linux command to retrieve a byte range from a file
If your interest is in the bytes, would od be of more interest.-j, --skip-bytes=bytes-N, --read-bytes=bytesSo to read the 16 bytes starting at byte 1024, and output in asciiod -j 1024 -N 16 -a /bin/sh
View ArticleAnswer by DerfK for Linux command to retrieve a byte range from a file
You can use dd if=logfile of=pieceoflogfile skip=startingblock count=#ofblocks (possibly with bs=1 to get one-byte blocks, otherwise it uses 512 byte blocks). Not sure how efficient it is to tell it to...
View ArticleAnswer by Ignacio Vazquez-Abrams for Linux command to retrieve a byte range...
Assuming the file isn't excessively large (e.g. several GB or so), piping from one to the next is as efficient as you'll get, short of writing your own program to do so.head ... file | tail ...(Or the...
View ArticleLinux command to retrieve a byte range from a file
I know that head and tail can take -c option to specify a byte offset. I'm looking for a way to efficiently extract a byte range from a large log file.
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