Find and replace in file and overwrite file doesn't work, it empties the file

Find and replace in file and overwrite file doesn't work, it empties the file

shell unix sed io-redirection

unix

How can I redirect the output of the "time" command?

shell unix time io-redirection

unix

Install multiple homebrew formulas at the same time

unix homebrew io-redirection

unix

Redirect output to a file permission denied?

unix curl permission-denied io-redirection

unix

Redirecting stdout from a python script called in *nix environment does not work correctly

python unix stdout io-redirection

unix

Why reading and writing the same file through I/O redirection results in an empty file in Unix?

shell unix io-redirection

unix

unix shell, getting exit code with piped child

unix shell io-redirection exitstatus

unix

unix shell, redirect output but keep on stdin

unix shell io-redirection

unix

How to ignore program's output when using /usr/bin/time?

unix shell time profiling io-redirection

unix

How to redirect gcc errors to a file in Unix?

unix gcc io redirect io-redirection

unix

Silence output in bash script using function advisable?

linux bash shell unix io-redirection

unix

"Ambiguous output redirect" trying to send both stdout and stderr to mailx from a command sent to at

linux bash shell unix io-redirection

unix

Why does redirection (or piping) change the program's behavior

c unix process io-redirection piping

unix

Redirecting the output of a child process

c shell unix io-redirection

unix

redirecting complete make output to a file

bash unix console makefile io-redirection

unix