大约有 2,100 项符合查询结果（耗时：0.0088秒） [XML]
Remove DEFINER clause from MySQL Dumps
...rences of DEFINER=root@localhost with an empty string ""
Edit the dump (or pipe the output) using perl:
perl -p -i.bak -e "s/DEFINER=\`\w.*\`@\`\d[0-3].*[0-3]\`//g" mydatabase.sql
Pipe the output through sed:
mysqldump ... | sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' > triggers_backup.sql
...
How to retrieve the first word of the output of a command in bash?
I have a command, for example: echo "word1 word2" . I want to put a pipe ( | ) and get word1 from the command.
12 Answers
...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
... commands in a simple way. Also Bash (not sh) have some improvements, like pipefail, so chaining is really short and expressive.
+ do not require 3rd-party programs to be installed. can be executed right away.
- god, it's full of gotchas. IFS, CDPATH.. thousands of them.
If one writing a script big...
Automatic exit from bash shell script on error [duplicate]
...et +e.
You may also want to employ all or some of the the -e -u -x and -o pipefail options like so:
set -euxo pipefail
-e exits on error, -u errors on undefined variables, and -o (for option) pipefail exits on command pipe failures. Some gotchas and workarounds are documented well here.
(*) Not...
What's the opposite of head? I want all but the first N lines of a file
... of course you can omit the filename completely and its still can act as a pipe... hmm
– t0mm13b
Aug 18 '10 at 0:48
...
How do I find and view a TFS changeset by comment text?
...
You can use the command line client: pipe the output of tf history to a file and then use whatever search program you prefer.
share
|
improve this answer
...
Counter increment in Bash loop not working
...
the questions was about a while with a pipe, so where a subshell is created, your answer is right but you don't use a pipe so it's not answering the question
– chrisweb
Oct 10 '18 at 14:05
...
List files with certain extensions with ls and grep
...ls to a terminal (or with -C option) produces multi-column output. ls to a pipe (or with -1) has single column output. (Compare output of ls with ls | cat).
– mob
Sep 19 '09 at 7:07
...
Remove duplicate lines without sorting [duplicate]
...too early. To fix this, insert a sort --reverse -k2 as the 1st sort in the pipeline: cat -n file_name | sort -rk2 | sort -uk2 | sort -nk1 | cut -f2-
– Petru Zaharia
Apr 24 '17 at 9:36
...
Unix's 'ls' sort by name
Can you sort an ls listing by name?
11 Answers
11
...