The cat <<EOF syntax is very useful when working with multi-line text in Bash, eg. when assigning multi-line string to a shell variable, file or a pipe. Examples of cat <<EOF syntax usage in Bash:

cat "Some text here." > myfile.txt Possible? Such that the contents of myfile.txt would now be overwritten to: Some text here. This doesn't work for me, but also doesn't throw any errors. Specifically …

On terminal cat ~/.ssh/id_rsa.pub explanation cat is a standard Unix utility that reads files and prints output ~ Is your Home User path /.ssh - your hidden directory contains all your ssh certificates …

1 cat with <<EOF>> will create or append the content to the existing file, won't overwrite. whereas cat with <<EOF> will create or overwrite the content.

cat file1 | tr -d '\n' but that discards all the newlines in the file, also not desirable. So, to repeat my question: How do I cat file1 into the new file and add user input without adding the newline between …

An essential difference between cat and print is the class of the object they return. This difference has practical consequences for what you can do with the returned object.

Using low-level git plumbing commands Before git1.5.x, this was done with some plumbing: git ls-tree <rev> show a list of one or more 'blob' objects within a commit git cat-file blob <file-SHA1> cat a file …

Is there a command like cat in linux which can return a specified quantity of characters from a file? e.g., I have a text file like: Hello world this is the second line this is the third line And I

In Windows Vista and Windows 7 there a new utility for handling drivers setup call PnPUtil. It handles exactly this kind of work. Just copy all your driver relevant files (*.inf, *.cat, *.sys) to a directory on the …

I'm looking for the PowerShell equivalent to grep --file=filename. If you don't know grep, filename is a text file where each line has a regular expression pattern you want to match. Maybe I'm mis...