ch0ic3/the-book-of-secret-knowledge
1
0
Fork 0
mirror of https://github.com/trimstray/the-book-of-secret-knowledge.git synced 2024-12-18 17:36:14 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

README.md - minor fixes and updates

Browse Source 
- signed-off-by: trimstray <trimstray@gmail.com>
This commit is contained in:
trimstray 2018-07-11 14:43:39 +02:00
parent c7a0210c14
commit 93d83a4ab2
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
README.md
View File

@ -331,7 +331,7 @@ true && { echo success;} || { echo failed; }
some_command > >(/bin/cmd_for_stdout) 2> >(/bin/cmd_for_stderr) 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 ```bash
(some_command 2>&1 1>&3 | tee errorlog ) 3>&1 1>&2 | tee stdoutlog (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 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 ###### Quickly backup a file
```bash ```bash