in the shell script, I have the following variables to hold the url information: how do I get product_patch_20190218162130_sign.pkg? Search the awk tutorials on the Internet, learn awk fundamentals and write the following sentence: echo $urlfile |...
for example grep 20180906834424 test.log | awk {print $2} the above code will produce a result. How can I use this result as a parameter of grep to re-search the test.log file? grep 20180906834424 test.log | awk {print $2} | xargs grep PATT...
how to insert a line of code in a specified code block with commands such as sed , awk , and so on. suppose you have a file hello.php , with the following contents: piplin package, modify the app Providers AppServiceProvider.php file, and add...
problem description the company s product demand, very DT, wants to combine photography with album selection functions. When I click the select file button, I call up the camera, and then the camera screen can choose to enter the album, as shown in f...
I used the full screen scrolling plugin on the home page, but I wanted to destroy it before leaving the page, so I wrote normally it doesn t matter, but when I change the size of the browser window, the scroll bar disappears, and the content beyond...
vue, can you define a method to refresh b component in a component ...
first give demo, demo has a start time and an end time, which requires that the start time must be less than the end time reproduction step: choose a start time, such as 2018-08-23 choose an end time, which is less than the start time, for e...
report errors directly after introduction light7.min.js:9 Uncaught Error: can t find .page element at b.init (light7.min.js:9) at new b (light7.min.js:9) at HTMLDocument.<anonymous> (light7.min.js:9) at c (jquery.min.js:3) at...