Bash while Loop in One Line It is always a good practice to use fewer lines of code. The while loop in Bash also offers a one-liner structure. The syntax of Bash while loop as a one-liner is given below: while [condition]; do commands_to_execute; done Let’s implement the above e...
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 is easiest to use loops directly on the command line and then there will be no problems. How to use...
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 #...
Bash For Loop In One Line with Files AI检测代码解析 # for i in *; do echo "Found the following file: $i"; done # for i in `cat filelist.txt`; do echo ${i}; done; if a line may include spaces better use a while loop: # cat filelist.txt | while read LINE; do echo "${...
Bash For Loop In One Line with Files 代码语言:txt AI代码解释 # 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: ...
line done 使用while循环 while read -r line do echo $line done < filename While循环中read命令从标准输入中读取一行,并将内容保存到变量...line中。...在这里,-r选项保证读入的内容是原始的内容,意味着反斜杠转义的行为不会发生。输入重定向...
";done#whiletrue;doecho"Hello World!";done#while:;doecho"Hello World!";done Bash For Loop In One Line with Files #foriin*;doecho"Found the following file:$i";done#foriin`catfilelist.txt`;doecho${i};done;if a line may include spaces better use a while loop:#catfilelist.txt |...
v ## The loop calls getopts until there are no more options on the command line ## Each option is stored in $opt, any option arguments are stored in OPTARG while getopts $optstring opt do case $opt in f) filename=$OPTARG ;; ## $OPTARG contains the argument to the option v) ...
How to do a do-while loop in bash? How to create an infinite loop in bash? How to find if a number is odd or even in bash? How to iterate over a bash array? How to loop over each line of a file? How to iterate over a list of files? How to use numbers with leading zeros...
while IFS= read -r _; do ((count++)) done < "$1" printf '%s\n' "$count" } 用法示例: $ lines ~/.bashrc 48 $ lines_loop ~/.bashrc 48 计算目录中的文件或目录 这是通过将glob的输出传递给函数然后计算参数的数量来实现的。 示例功能: ...