PS E:\temp> [System.IO.Directory]::Exists('E:\temp\') True PS E:\temp> [System.IO.Directory]::Exists('E:\temp') True If you want to check if the directory the script/program is currently in contains a subdirectory, you can use the trick I demonstrate below - where I check if ...
#!/bin/bash if [ $# -eq 0 ]; then echo "No arguments provided. Usage: $0 filename" exit 1 fi filename="$1" if [ -f "$filename" ]; then echo "$filename exists." else echo "$filename does not exist." fi 在运行这个脚本时,你可以传递一个文件名作为参数: ./check_file.sh ...
The same rules about trailing "/" apply to ScriptAlias # directives as to Alias. # ScriptAlias /cgi-bin/ "/var/www/cgi-bin/" </IfModule> # # "/var/www/cgi-bin" should be changed to whatever your ScriptAliased # CGI directory exists, if you have that configured. # <Directory "/va...
/bin/bashfunction filecount {# 检查目录是否存在if [ -d "$1" ]; then# 目录存在,计算文件数echo $(ls -l "$1" | grep "^-" | wc -l)return 1else# 目录不存在,返回0return 0fi}dir="$1"count=$(filecount $dir)if [ $? = 1 ]thenecho "Dir $dir exists,files:$count"elseecho "...
finit.sh $1 filename=/data/interface/buyun/${date_effective}.txt.gz echo "zip file =:"${filename} if [ -f ${filename} ]; then echo "zip file is exists, start to unzip " gunzip -d ${filename} /data/interface/buyun/${date_effective}.txt else echo "zip file is not exists "...
if[ ! -d $BAKDIR ];then mkdir -p $BAKDIR else echo This is $BAKDIR exists ,please exit …. sleep 2 exit fi ###mysqldump backup mysql /usr/bin/mysqldump -u$MYSQLUSR -p$MYSQLPW -d $MYSQLDB >/data/backup/mysql/`date +%Y-%m-%d`/www_db.sql ...
eg: if [ -f filename ]； -d 判断目录是否存在 eg: if [ -d dir ]； -eq 等于，...
(If a file being written to does not already exist, it is created. If a file being written to already exists, the data it previously contained is overwritten unless the `-a’ option is used.) 格式:tee -a file 输出到标准输出的同时,追加到文件file中。如果文件不存在,则创建;如果已经存在...
('_Process', {Get-Process},'Alt+P')# Add a nested menu.$parentAdded=$psISE.CurrentPowerShellTab.AddOnsMenu.SubMenus.Add('Parent',$null,$null)$parentAdded.SubMenus.Add('_Dir', {dir},'Alt+D')# Show the Add-ons menu on the current PowerShell tab.$psISE.CurrentPowerShellTab.Add...
--overwrite-dir 在提取时覆盖现有目录的元数据(默认) --recursive-unlink 空层次结构 --remove-files 将文件添加到存档后删除文件 --skip-old-files 在解压时不替换现有文件,静默跳过它们 -U, --unlink-first 在解压要重写的文件之前先删除它们 -W, --verify 尝试在写入存档后对其进行验证 1.4.4 选择输出流...