echo "usage {break|continue}" usage {break|continue} echo $"usage {break|continue}" usage {break|continue} the difference between "usage {break | continue} " and $ "usage {break | continue} "? ...
problem description using python to call antiword to convert doc to txt, it is found that the returned value is garbled, and using antiword on powershell is also garbled. It is no problem to call on git bash the environmental background of the probl...
problem description: when developing java applications, you need to visit this website. Everything accesses normally on windows, and when deployed to a linux server, access timeout occurs [root@VM_18_115_centos ~]-sharp wget https: wap.zhengzhoubu...
if the task is executed immediately, is there any way to postpone it for a period of time? Ask the boss to answer ...
1. There is a text test.log, content that is: 1 an A 2 b B 3 c C 2. Execute while to get normal output cat test.log |while read item;do echo $item;done 1 an A 2 b B 3 c C 3. But executing while+awk loses the first line cat test.log |while r...
Mac builds the Nginx+PHP environment, using the built-in php-fpm, configuration file in etc php-fpm.conf,error_log ; Error log file 20 ; If it s set to "syslog", log is sent to syslogd instead of being written 21 ; into a local file. 22...
centos 64-bit vim opens the file as follows: on the left side is the centos 32-bit vim open file display, the right side is centos 64-bit display, feel a bit awkward into bold, online search to modify the bold way does not work, do not know how to c...
excuse me: what does the ~ $ after this bash code grep mean? grep-z-vE ~ $ Baidu and Google have no results. Who can give me some advice? Thank you very much! ...
such as the title. the function I implement now is to find the first file even if I open it with vim for editing: vfin() {vim $(find -iname "$1")} but most of the time, you need to select one of the multiple files with the same name to ...
how to delete the method body in a class using the sed or awk or grep commands sample source file: demo.php <?php class Demo { private $a; } of course, there may be many methods in the class. ...
I would like to ask you prawns, how to restrict the output of the command line? take zookeeper as an example: [root@zookeeper1 bin]-sharp . zkServer.sh status JMX enabled by default Using config: usr zookeeper bin .. conf zoo.cfg Mode: follower I ...
system( git commit -a -m "quick commit" ); system( git push ); then build one in ~. Bash _ profile, wrote a shortcut alias push= php Users XXX Projects XY push.php but what I want to achieve is: suppose I enter push "GOOD BADDDD...
can I detect code conflicts on the main branch if there is no branch, git pull ...
debate.mkv can play for up to an hour mplayer debate.mkv rest for 60 seconds sleep 60 how to write a script that plays mplayer debate.mkv for 4 minutes and sleep for 1 minute until the debate.mkv is finished? ...
problem description what I may have described is a bit of a problem, maybe it has nothing to do with zsh. The specific problem is: first of all, the content in my file1 is as follows: asdsdf sdfsdbbb abbbb then I run the following command in iterm:...
Let s say the following code: myfunc() { cat grep " ->" | while read line do echo $line done } ls -la | myfunc It will work since you only cat once as you can only read once from stdin. But if you: myfunc() { ...
* excel table export @ param string $fileName file name @ param array $headArr header name @ param array $data data to be exported @ author static7 * function excelExport ($fileName = , $headArr = [], $data = []) { $fileName .= &quo...
the following is a string returned by the network. I want to parse this string in the shell script to get the value of fsize, that is, 13431719 what should I do? 2018-06-14 14:38:26,380 - DEBUG - wcscmd version 1.0.0 2018-06-14 14:38:26,381 - DEBUG - ...
when using read, the following problems are encountered, which are not consistent with what you think. The code and results are as follows -sharp! bin bash IFS= read -d - var1 var2 <<< " 123 -" printf "%s n" "...
at first, vim reported an error, but after troubleshooting, iterm2 began to report an error after switching to bash, it still reported an error Last login: Wed Aug 29 21:09:35 on ttys000 -bash: etc profile: line 15: unexpected EOF while looking for m...