大约有 800 项符合查询结果（耗时：0.0169秒） [XML]
sed one-liner to convert all uppercase to lowercase?
...lower:]' '[:upper:]' < input.txt > output.txt
Works using GNU sed (BSD sed doesn't support \L \U):
# Converts upper to lower case
$ sed -e 's/\(.*\)/\L\1/' input.txt > output.txt
# Converts lower to upper case
$ sed -e 's/\(.*\)/\U\1/' input.txt > output.txt
...
How can I match a string with a regex in Bash?
...
also note that with BSD tar you can use "tar xf" for all formats and don't need separate commands or this function whatsoever.
– Good Person
May 11 '16 at 23:26
...
How can I remove the first line of a text file using bash/sed script?
...st line, etc.
GNU tail is much faster than sed. tail is also available on BSD and the -n +2 flag is consistent across both tools. Check the FreeBSD or OS X man pages for more.
The BSD version can be much slower than sed, though. I wonder how they managed that; tail should just read a file line by...
What is the difference between sigaction and signal?
...System V behavior. POSIX allows either this behavior or the much more sane BSD behavior, but since you can't be sure which one you'll get, it's still best to use sigaction.
– R.. GitHub STOP HELPING ICE
Aug 15 '11 at 4:08
...
How to find issues that at some point has been assigned to you?
...IRA Query Language (JQL) operator 'WAS', which has been introduced in JIRA 4.3 and extended in JIRA 4.4 to cover assignees and reporters as well, for example:
project = "Angry Nerds" and (assignee was 'johnsmith' or reporter was 'johnsmith')
...
Putting license in each code file? [closed]
...ense, and an URL to the license text. It shorted my headers from 26 lines (BSD) to 3 lines. :)
– Esko Luontola
May 10 '09 at 21:00
3
...
In-place edits with sed on OS X
...
BSD sed requires that there be no space after the -i flag. So, -i'' is valid, but -i '' is not.
– Todd A. Jacobs
Apr 19 '15 at 21:05
...
Deprecated Java HttpClient - How hard can it be?
...
You're using version below 4.3 (and it should be Apache HTTPClient, not Commons HTTPClient)
– Alfishe
Mar 15 '14 at 15:58
...
php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
...else if (eregi('HPUX', $agent)){
$os = 'HPUX';
}
else if (eregi('NetBSD', $agent)){
$os = 'NetBSD';
}
else if (eregi('BSD', $agent)){
$os = 'BSD';
}
else if (ereg('OSF1', $agent)){
$os = 'OSF1';
}
else if (ereg('IRIX', $agent)){
$os = 'IRIX';
}
else if (eregi('Fre...
What does -D_XOPEN_SOURCE do/mean?
...his will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows.
The numbers refer to different versions of the standard.
500 - X/Open 5, incorporating POSIX 1995
600 - X/Open 6, incorporating POSIX 2004
700...