大约有 36,000 项符合查询结果（耗时：0.0473秒） [XML]
Count occurrences of a char in plain text file
...rep -o f <file> | wc -l
Note: Besides much easier to remember/duplicate and customize, this is about three times (sorry, edit! botched the first test) faster than Vereb's answer.
share
|
imp...
Multiple select statements in Single query
...T(*)
FROM user_table
) AS tot_user,
(
SELECT COUNT(*)
FROM cat_table
) AS tot_cat,
(
SELECT COUNT(*)
FROM course_table
) AS tot_course
share
|
improve this answer
...
examining history of deleted file
...bversion, how can I look at it's history and contents? If I try to do svn cat or svn log on a nonexistent file, it complains that the file doesn't exist.
...
Convert a Git folder to a submodule retrospectively?
... @DominicTobias: git clone source destination simply tells Git the location of where to put your cloned files. The actual magic to filter your submodule's files then happens in the filter-branch step.
– knittl
Mar 23 '17 at 17:35
...
Is there a way to ignore header lines in a UNIX sort?
...
You could probably piece together something where you use cat to redirect the stdin to a temporary file, then run the above command on that new file, but it's starting to get ugly enough that it's probably better to use one of the awk-based solutions given in the other responses.
...
How to insert a text at the beginning of a file?
...ile
Or you can use Command Grouping:
$ { echo -n '<added text> '; cat file; } >file.new
$ mv file{.new,}
share
|
improve this answer
|
follow
|
...
How can I find the version of the Fedora I use?
...
cat /etc/issue
Or cat /etc/fedora-release as suggested by @Bruce ONeel
share
|
improve this answer
|
...
How do I view 'git diff' output with my preferred diff tool/ viewer?
...e new-file new-hex new-mode
"<path_to_diff_executable>" "$2" "$5" | cat
--8<-(snap)--
As you can see, only the second ("old-file") and fifth ("new-file") arguments will be
passed to the diff tool.
2) Type
$ git config --global diff.external <path_to_wrapper_script>
at the comma...
Read values into a shell variable from a pipe
... data and work on each line separately you could use something like this:
cat myFile | while read x ; do echo $x ; done
if you want to split the lines up into multiple words you can use multiple variables in place of x like this:
cat myFile | while read x y ; do echo $y $x ; done
alternatively...
How to grep a text file which contains some binary data?
...
You could run the data file through cat -v, e.g
$ cat -v tmp/test.log | grep re
line1 re ^@^M
line3 re^M
which could be then further post-processed to remove the junk; this is most analogous to your query about using tr for the task.
...