Would like to SLICE a huge json file ~20GB into smaller chunk of data based on array size (10000/50000 etc).. Input: Currently running in a loop to get the desire output by incrementing x/y value, but performance is very slow and takes very 8-20 seconds for a iteration depends on size of the file to complete the split process. Currently
Tag: split
rename files which produced by split
I splitted the huge file and output is several files which start by x character. I want to rename them and make a list which sorted by name like below: part-1.gz part-2.gz part-3.gz … I tried below CMD: for (( i = 1; i <= 3; i++ )) ;do for f in `ls -l | awk ‘{print $9}’ | grep
How to split file based on first character in Linux shell
I do have a fixedwidth flatfile with the header and detail data. Both of them can be recognized by the first character: 1 for header and 2 for detail. I want to genrate 2 different files from my fixedwidth file , each file having it’s own record set, but without type record written. File Header.txt having only type 1 records.
python way to find unique version of software
I’ve multiple components of a software (let’s call it XYZ) installed on my linux (RHEL 6.2) server running python 3.3. I’m trying to covert my install/upgrade script from shell to python. For that I need to fetch the version number, but only once. In my python script I’ve added the below code I want to use python based commands instead
Split string in ksh
I got a string as follow : What would be the best way to convert it in seconds without using date ? I tried something like this that sounded pretty nice but no luck : Any idea is welcome, I just can’t use date -d to make conversion as it is not present on the system I am working on.
Having some issues with Perl Splitting and Merging Functions
First and foremost, I’m not familiar with Perl at all. I’ve been studying C++ primarily for the last 1/2 year. I’m in a class now that that is teaching Linux commands, and we have short little topics on languages used in Linux, including Perl, which is totally throwing me for a loop (no pun intended). I have a text file
How to split a multi-gigabyte file into chunks of about 1.5 gigabytes using Linux split?
I have a file that can be bigger than 4GB. I am using the linux split command to split it by lines (that’s the requirement). But after splitting the original file, I want the size of split file to be always less than 2GB. The original file size can vary from 3-5 GB. I want to write some logic for
Why linux split program have weird behavior with large files >20GB?
I’m doing the next statement on my ubuntu: If i do a “ls” If i do a “du” over ab and ad files. As you can see, split divided the file in a non-homogeneous form. Anyone know what’s going on? Some unprintable character can hang the split? Thank you. Best Regards! Francisco. Answer While this is unusual data with an
Splitting gzipped logfiles without storing the ungzipped splits on disk
I have a recurring task of splitting a set of large (about 1-2 GiB each) gzipped Apache logfiles into several parts (say chunks of 500K lines). The final files should be gzipped again to limit the disk usage. On Linux I would normally do: The resulting files files will be named xaa, xab, xac, etc So I do: The effect