Bash是一种Unix Shell和命令语言,它是一种脚本语言,用于在Unix和Linux系统中执行命令和自动化任务。通过for-in-loop执行文件是指使用Bash中的循环结构来遍历文件列表并执行相应的操作。 在Bash中,可以使用for-in-loop来遍历文件列表。具体的语法如下: 代码语言:txt 复制 for file in <文件列表> do # 执行操作,...
Example 3: Iterating Over Files in a Directory #!/bin/zshforfilein/path/to/directory/*doecho"Processing file:$file"done Example 4: Using Command Substitution #!/bin/zshforuserin$(cut-d:-f1/etc/passwd)doecho"User:$user"done for user in $(cut -d: -f1 /etc/passwd): The loop itera...
Bash For Loop In One Line with Files # for i in *; do echo "Found the following file: $i"; done # for i in `cat filelist.txt`; do echo ${i}; done; if a line may include spaces better use a while loop: # cat filelist.txt | while read LINE; do echo "${LINE}"; done ...
EN我有一个提交给集群的Bash脚本，该集群调用Python脚本的管道，这些Python脚本是为并行处理而构建的多线...
Following shell script will go though all files stored in /etc directory. The for loop will be abandon when /etc/resolv.conf file found. #!/bin/bashforfilein/etc/*do if [ "${file}" == "/etc/resolv.conf" ] then countNameservers=$(grep -c nameserver /etc/resolv.conf) ...
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for loop is characterized by counting. The range is specified by a beginning (#1) and ending number (#5). The for loop executes a sequence of commands for each member in a list of items. A representative example in BASH is as follows to display welcome message 5 times with for loop: ...
Bash Copy In this example, the ‘for’ loop iterates over all .txt files in the current directory, echoing a statement for each file. These advanced uses of the ‘foreach’ loop in Bash open up a world of possibilities for automating tasks and processing data. As you explore these techni...
for word in $text do echo "Word No-$i = $word" ((i=$i+1)) done Then run the following script: $ bash forloop1.sh Example 2 - for Loop With a Break Statement The break statement is used within the ‘for loop’ to end the loop. First, create a file and run the following...
/bin/bashwhile[!-ddirectory_expected]doecho"`date`- Still waiting"sleep1doneecho"DIRECTORY IS THERE!!!" 3. Using a while loop to manipulate a file Another useful application of awhileloop is to combine it with thereadcommand to have access to columns (or fields) quickly from a text ...