From 93d83a4ab219128d44284960370f071491733822 Mon Sep 17 00:00:00 2001 From: trimstray Date: Wed, 11 Jul 2018 14:43:39 +0200 Subject: [PATCH] README.md - minor fixes and updates - signed-off-by: trimstray --- README.md | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 283fd9a..80e256f 100644 --- a/README.md +++ b/README.md @@ -331,7 +331,7 @@ true && { echo success;} || { echo failed; } some_command > >(/bin/cmd_for_stdout) 2> >(/bin/cmd_for_stderr) ``` -###### Pipe stdout and stderr to separate commands +###### Redirect stdout and stderr each to separate files and print both to the screen ```bash (some_command 2>&1 1>&3 | tee errorlog ) 3>&1 1>&2 | tee stdoutlog @@ -343,6 +343,12 @@ some_command > >(/bin/cmd_for_stdout) 2> >(/bin/cmd_for_stderr) history | awk '{ a[$2]++ } END { for(i in a) { print a[i] " " i } }' | sort -rn | head ``` +###### Empty a file (truncate to 0 size) + +```bash +>filename +``` + ###### Quickly backup a file ```bash