I recently realized we can use cat as much as dd, and it's actually faster than dd I know that dd was useful in dealing with tapes where block size actually mattered in correctness, not just ...
Is there a way to head/tail a document and get the reverse output; because you don't know how many lines there are in a document? I.e. I just want to get everything but the first 2 lines of foo.txt ...
I have a bash script which enumerates through every *.php file in a directory and applies iconv to it. This gets output in STDOUT. Since adding the -o parameter ( in my experience ) actually writes ...
There are specific lines that I want to remove from a file. Let's say it's line 20-37 and then line 45. How would I do that without specifying the content of those lines?
I've got an extreme problem, and all of the solutions I can imagine are complicated. According to my UNIX/Linux experience there must be an easy way. I want to delete the first 31 bytes of each file ...
I have a large binary file ( nearly binary file ! ) which has many \r\n in it [ gets Generated in windows env and doesnt have controle over generating application ]. I want to remove \r from this ...
A related question is here. I often have to edit a large file by removing a few lines from the middle of it. I know which lines I wish to remove and I typically do the following: sed ...
I have just came to the problem of having to cut some lines from a large (gigabyte) sized file, and being aware of potential CPU hog trying to read it in memory, I wanted to edit it in-place ...
I have a log file that gets big fast. I tried using tail with this syntax but it didn't work. tail logfile.log -n 100000 > logfile.log The output file is 0 bytes and blank. What am I doing ...