/bin/bashfolder_to_count=$1file_count=$(ls $folder_to_count | wc -l)echo $file_count files in $folder_to_count 这一次,为变量分配了第一个命令行参数的值。folder_to_count$1 脚本的其余部分与以前完全相同。您的脚本现在不是特定的解决方案,而是通用解决方案。您可以在任何目录上使用它,因为它不...
folder_names=$(find "/tmp/test" -mindepth 1 -maxdepth 1 -type d -print0 | xargs -0 -I {} basename "{}") echo $folder_names 以下是输出: folder2 folder1 For count: file_count=0 && $(find "/tmp/test" -mindepth 1 -maxdepth 1 -type f -print0 | let "file_count=file_coun...
/bin/bash prev_count=0 fpath=/var/log/app/app_log.* find $fpath -type d -mtime +10 -exec ls -ltrh {} \; > /tmp/folder.out find $fpath -type d -mtime +10 -exec rm -rf {} \; count=$(cat /tmp/folder.out | wc -l) if [ "$prev_count" -lt "$count" ] ; then ...
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问对话框-菜单打开另一个-菜单bashEN我刚刚开始学习bash并用Dialog创建一个GUI，但是我的程序有问题，...
./x007_shorter.sh: line4: cd: ./folder3/: No such fileordirectory ls: cannot access */: No such fileordirectory 这是程序: #!/bin/bash functionfindir { newDir=$1 evalcd$newDir ARRAY=( $(ls -d */) ) declare-a diry count=0 ...
case 值 in 模式1} 命令1 ... ;; 模式2) 命令2 ... ;; esac 格式说明 “模式”部分可能包括元字符,即: * 任意字符。 ? 任意单字符。 [..] 类或范围中任意字符 应用实例 一、提示用户输入Y/y或N/n。若输入Y/y,则输出“yes”;若输入N/n,则输出“no”;否则,“incorrect input”。bash文件内容...
#!/bin/bash project=ALL_pdb files=("$project"/*.pdb) files_count=${#files[@]} parts_count=4 part_length=$(( files_count / parts_count )) p=0 while i=$(( p * part_length )); (( p++ < parts_count && i < files_count )) do d="${project}_part_$p" mkdir -p "$d"...
echo "Size of the files in the folder: " ls -lh echo "Last line of the file: " tail -n 1 file1.txt echo "Adding a new line:" echo -n "Mauris tempus quis est vitae eleifend." >> file1.txt Output: Explanation:Here, we can see that the new last line has changed from Cras...
The wc command can also count the number of files in a directory by using the output of a simple ls -l command as input to wc. Using the output of a command as input to another command using the pipe symbol | is a useful shell pattern called pipelining. You'll see it in several ...