Answer by James Georgas for How to cut a file to a given size under Linux?
The answer above citing truncate is nice. dd will also do the job:dd if=test.txt of=test2.txt bs=1 count=8mv test2.txt test.txt
View ArticleAnswer by Ivan Malyshev for How to cut a file to a given size under Linux?
You can use tail to cut last 1000 bytes, example:tail -c 1000 file > file2the -c outputs final 1000 bytes of the file, for more options:man tailTo replace original file with the file you just...
View ArticleAnswer by richard for How to cut a file to a given size under Linux?
there is a completely different way to do this, with bash, using the ed program. the following script will retain only the last 5000 lines of all files sitting in the specified directory. this can...
View ArticleAnswer by rici for How to cut a file to a given size under Linux?
perl -we 'open( FILE, "< ./test.txt" ) && truncate( FILE, 8 ) && close(FILE);'opens the file for reading. However, to truncate the file you need to modify it, so a read-only file...
View ArticleAnswer by ChrisInEdmonton for How to cut a file to a given size under Linux?
You may want to use the truncate command:truncate --size=1G test.txtSIZE can be specified as bytes, KB, K, MB, M, etc. I assume you can calculate the desired size by hand; if not, you could probably...
View ArticleHow to cut a file to a given size under Linux?
I want to shrink a file's size by brute-force, that is, I don't care about the rest, I just want to cut the file, say by half, and discard the rest. The first thing that comes to mind is Perl's...
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