#!/bin/csh set file = "example.txt" if (-e $file) then echo "The file exists." else echo "The file does not exist." endif 在这个例子中,我们通过if语句判断文件"example.txt"是否存在。如果条件成立,即文件存在,那么输出"The file exists.";否则,输出"The file does not exist."。 例子3:...
csh Check if file exists on remote system I've seen this question posed a few times with shell scripting, but have not found anything with csh. I am trying to download multiple txt files from a source using wget. These are archived tornado warning files; however, the files only exist if...
Checking if file exists How can I check if a file exists in csh? I know there is "-e $file" but do not know exactly how to use it. I have tried the below but I'm getting "Bad : modifier in $ ( )." Code: foreach f ($AfullnameLst) if (-e $f) then echo "$f: file ...
FILE exists and is a regular file -O FILE FILE exists and is owned by the effective user ID
-a file True if file exists. (Not avail- able in sh.) -b file True if file exists and is a block special file. -c file True if file exists and is a character special file. -d file True if file exists and is a directory. ...
Hi Manuales: '-s' tests to see if a file exists AND has a size greater than zero. The manpages for 'sh-posix' will point you to the manpages for 'test' which is
-f, --force Overwrite given output file. (Otherwise an IOError will be raised if <outfile> already exists. -D <define> Define a variable for preprocessing. <define> can simply be a variable name (in which case it will be true) or it can be of the form =<val>. An attempt will b...
bash shell的if语句会运行if后面的那个命令。如果该命令的退出状态码是0(该命令成功运行),位于then部分的命令就会被执行。如果该命令的退出状态码是其他值,then部分的命令就不会被执行,bash shell会继续执行脚本中的下一个命令。fi语句用来表示if-then语句到此结束。
#check file exists if [ -e $HOME/testing ] then #file exists,apped file it echo "appending date to existis file " date >> $HOME/testing else # the file not exists ,create new file echo "createing new file" date > $HOME/testing ...
func (csh cniServerHandler) deleteNic(podName, podNamespace, containerID, deviceID string) error { hostNicName, _ := generateNicName(containerID) // Remove ovs port output, err := ovs.Exec("--if-exists", "--with-iface", "del-port", "br-int", hostNicName) @@ -77,18 +77,19...