
What is the Windows equivalent of the Unix command cat?
2012年6月10日 · I have just used the cat command in DOS (Windows 7 Pro) in the following manner and successfully merged 3 files (log1.txt, log2.txt, log3.txt) into a single file: cat log*.txt >> myBigLogFile.txt Note: cat log*.txt > myBigLogFile2.txt also provide the same result, but it'll override the previous file.
linux - Cat command and echo - Super User
2018年1月13日 · As noted by others, your original command fails because cat 1.txt disregards its standard input. Either indicate that it should be its first argument (cat - 1.txt), or use block redirection to redirect echo abc and cat 1.txt together. To wit: { echo abc; cat 1.txt; } > 2.txt Relevant excerpt from the manual (man bash): Compound Commands
How can I stop cat output immediately despite massive output?
I'm looking for someway to stop the output to STDOUT when I realize a command is wrong. For instance, if I accidentally cat a very large file. Usually it will eventually stop if you hold down ctrl + c , but it takes a long time.
How to clear the contents of a file from the command line?
2010年1月1日 · It would be better to use a dedicated null-output command like true (or its builtin alias :), although ultimately you don't need a command at all (see the accepted answer). – Stuart P. Bentley Commented Jul 25, 2014 at 5:09
bash - How to set max line in cat command - Super User
2013年3月12日 · How to set max line in cat command. Ask Question Asked 12 years, 1 month ago. Modified 12 years, 1 month ago.
linux - What does <<EOF do? - Super User
2015年11月22日 · CAT< New.txt (Press Enter) Here, the user will be prompted to type the input to the file "New.txt". Then Press the Cntrl+d command to tell that this is the End of the file. Instead of using cntrl+d, Cat<<EOF command can be used in this scenario and type EOF at the end of the paragraph. The system will consider EOF as the End of the para.
Is there a cat alternative that supports unbuffered output?
GNU cat ignores -u because its output is always unbuffered. So, when you ask for unbuffered output with -u , you get it (but you also get it even when you don't ask for it). GNU tail has the same, always-unbuffered behaviour.
pipe and stdin redirection to cat - Super User
2015年11月12日 · So the first example works, the output of the echo command, "Hello word", is connected with the input of the following cat command, that assumes the standard input as input file if not else specified. Indeed we can read from man cat: cat - concatenate files and print on the standard output . and below the example with the simple invocation of cat
How to filter 'cat' output to only display a portion of text?
I'm trying to find a way to filter the output of a cat command to only display the text included between two points. I need to put this on a script. More to the point, given the following sample text. Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor.
Unix cat starting from line - Super User
2013年12月22日 · What is the best way to output from a file starting from a specific line (big number like 70000). Something like: cat --line=70000 <file>