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,...
/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 iterates over all usernames in the /etc/passwd file....
/bin/bash # Find files which has .zip for file in `find /root -name "*.zip*" -type f` do # Skip the extension .zip dirname=`echo ${file} | awk -F'.' '{print }'` # Create the directory mkdir $dirname # Copy the zip file cp ${file} ${dirname} cd $dirname # Unzip the...
许多类似的 shell 会使用和 Bash 同样的关键字和语法,但是也有某些 shell ,比如tcsh,使用不同的关键字,例如foreach。 tcsh 的语法与 Bash 类似,但是它更为严格。例如在下面的例子中,不要在你的终端的第 2、3 行键入foreach?。它只是提示你仍处在构建循环的过程中。 $ foreach f (*) foreach? file $f...
for loop syntax Numeric ranges for syntax is as follows: for VARIABLE in 1 2 3 4 5 .. N do command1 command2 commandN done 1. 2. 3. 4. 5. 6. OR for VARIABLE in file1 file2 file3 do command1 on $VARIABLE command2 commandN ...
问循环中的bash脚本，用于计算文件和目录的数量EN我需要在循环中编写脚本，它将计算文件和目录的数量，并...
Bash For Infinite Loop In one Line # for (( ; ; )); do echo "Hello World!"; done # while true; do echo "Hello World!"; done # while :; do echo "Hello World!"; done Bash For Loop In One Line with Files # for i in *; do echo "Found the following file: $i"; done ...
for-loop基本上是健全的。但是,如果目录为空,循环将执行一次,变量file包含文本/var/spool/bandit24/*。 stat消息不是来自for-loop,而是来自循环中的一个命令。 正确的方法是在继续之前测试目录是否为空。你可以把 if [ $(find . -type f | wc -l) -eq 0 ] ; then ...
1. Using for ... in statement 2. Using for ((exp1, exp2, exp3)) statement The result will be: Why you can use a bash for loop in one line If you use bash on the command line, this will not guarantee that for loops are inserted into the script. In order to prevent this, it...
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...