C shell check for file existence




















Checking file existence along with condition. Hi am trying to write a script which find the existence of a file from a find command output and perform a task if the file exists. Help me out with the correct syntax. Am trying with the following one but unable to get the output.

Checking existence of file using awk. Hi, I need to check whether a particular file exists ot not using awk. Can anyone help me please? Here I am passing a text file as input whose last word contains a Checking the existence of a file before getting last modified.

Hi, I am trying to check the existence of a file, from a list of possible filenames: status-A status-B status-C before retrieving the last modified datetime using ls, I want to check it exists or ls will throw an error.

Multiple file existence and checking file size. I want to check the files in particular directory are more that 0 Bytes i. The script should print a msg if all the files in that directory are empty 0 Byte.

Checking Multiple file existence. Hi, I want to check multiple files exist or not in a single if statement in korn Shell:confused:.

Please help me Thanks 1 Reply. Checking for existence of a flat file in UNIX! Hi All, I have a requirement where in i need to check for existence of a file and later execute some pmcmd commands related to informatica. I tried many ways but was unsuccessful could you please throw some light.

Below are the sample codes i wrote. Example 1:! Hi, My requirement was to check the existence of a file having a specified pattern. Csh to check for existence of file. Registered User. Join Date: Sep Hi, I would like to check the existence of files doesn;t matter the number of files in a directory.

My file is named in the following manner always ending with " myfile ". Can anybody give me some guidance? My intention is to perform the following: if file exist, perform plan A. Join Date: Dec Hi robsonde, Thanks. But your codes are not in csh i suppose. Join Date: Jan Code :. Administrator Emeritus.

Join Date: Mar I'm a bit rusty on csh, since I never use it but if I remember correctly from when we had a bunch of users to support who did use it, the syntax would be something like: Code :. And these statement appear " Reset tty pgrp from to ". What does this statement mean? Join Date: Jul File existence check. How to check existence of variable in csh. It will fail with Permission denied , which is not equivalent that file does not exist.

Tigran That's a good distinction to know, in my case doesn't matter, but thanks for pointing out. But there are a few treacherous rapids on this river: Everything is a file. Scripts have real power only if they solve general tasks To be general, we use variables We often use -f force in scripts to avoid manual intervention And also love -r recursive to make sure we create, copy and destroy in a timely fashion.

Consider the following scenario: We have the file we want to delete: filesexists. Does the files exist? Just issue rm filename and it will be gone after that, whether it was there or not. T G T G 2 2 silver badges 7 7 bronze badges. This is actually quite a valid answer for the rm command. For other commands I suggest rather testing with -e.

Except that it's not what the question asks. It is very much what the question asks, if you read the whole question including the " Most systems now will not prompt to confirm to delete a file.

You can use timeout with [ as well, and test also freezes if NFS hangs. Sign up or log in Sign up using Google.

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