In PowerShell scripts, it is often necessary to perform a particular action on all the files and subfolders in a directory. For example, delete, copy, move, or edit files according to a set of criteria. In this
# breaking out of a for loop for var1 in 1 2 3 4 5 6 7 8 9 10 do if [ $var1 -eq 5 ] then break fi echo "Iteration number: $var1" done echo "The for loop is completed" 示例 for循环通常都会遍历列表中指定的所有值。但当满足if-then的条件时,shell会执行break命令,停止for循环。
caseSensitive; result.Line = line; result.Pattern = patterns[patternIndex]; break; } patternIndex++; }// While loop through patterns. }// Else for no script block specified. return result; }// End of SelectString /// /// Check whether the supplied name meets the include/exclude ...
1$cattest62#!/bin/bash3# iterate through all the filesina directory4forfilein/home/rich/test/*5do6if [ -d "$file" ]7then8echo "$file is a directory"9elif [ -f "$file" ]10then11echo "$file is a file"12fi13done14$ ./test615/home/rich/test/dir1 is a directory16/home/ric...
In a script, you might see the -f test in a loop similar to this next one, which tests all of the items in the current working directory (you’ll learn more about loops in general shortly): 在脚本中,你可能会在类似下图的循环中看到 -f 测试,该循环测试当前工作目录中的所有项目(稍后你将...
# iterate through all the filesina directoryforfilein/home/rich/test/*do if [ -d "$file" ] then echo "$file is a directory" elif [ -f "$file" ] then echo "$file is a file" fi done $ ./test6 /home/rich/test/dir1 is a directory ...
PowerShell can rename files as part of the copy process. For example, this code creates nine copies of the p1.txt file called p2.txt through p10.txt. 2..10 | Foreach-Object { $newname = "p$_.txt" Copy-Item -Path C:\test\p1.txt -Destination C:\test2\$newname ...
I'm trying to loop through a text file of URL's to then extract certain metadata from .html files and am need of some help on the best way to do this. The below isn't returning anything but it doesn't error. I need to utilize the text file of URL's since the library is pretty...
In this tutorial, we’ll learn about writing a shell script to walk through a directory structure and automate actions on files within that structure. Firstly, we’ll use the cd command with a for loop to go through a directory tree. After that, we’ll look at the find command to trave...
VSCode, through vscode-shellcheck. Most other editors, through GCC error compatibility.In your build or test suitesWhile ShellCheck is mostly intended for interactive use, it can easily be added to builds or test suites. It makes canonical use of exit codes, so you can just add a shellcheck ...