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UNIX for Beginners Questions & Answers
Check if file exists
Post 303037844 by jim mcnamara on Wednesday 14th of August 2019 07:00:24 PM
08-14-2019
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Hi,
I have a list of files that I want to check to see if they exist and then count how many of these files exist, I also want to do the same for the files that arent found.
I have done this by creating temp files see below but want ot do this using variables instead:
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Hi. I'd like to have an IF-Then-Else statement where I can check to see if a file exists? We have the Bourne Shell by default. I'm looking for the syntax to do something like this:
if myfile.txt exists then
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else
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end if
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I want to write a script to see if various files exist. What I want to do is have the script search in various directories if a file exist, and if not, then output something like "/path/file does not exist". I don't actually know of how to check and see if a file exists or not. What I have in mind... (2 Replies)
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Hi
#Testing for file existence
if ; then
echo 'SCHOOL data is available for processing'
else
echo 'SCHOOL DATA IS NOT AVAILABLE FOR PROCESSING'
:
i wrote a script, where it begins by checking if file exists or not.
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Hi guys,
I am beginner trying to learn unix. So any help is welcomed.
My requirement is to check whether is a file exists in a particular directory or not.
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Hi,
I want to check if the file exists or not in the directory.
i am trying below code but not working.
File="/home/va59657/Account_20090213*.dat"
echo "$File"
if ]; then
echo "file found"
else
echo "file not found"
fi
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Hi,
I have the below code written. However I am not getting the desired output
I am checking if the particular path has file in it.
#!/bin/bash
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if
then
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echo "File Exists"
fi
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There are some files with suffix dates like abc_20032019.dat abc_17032019.dat
If at least one file exists then perform some operation else exit from execution.
Korn shell
----------------------------------
array=($inputdir/abc*.dat)
If ] ]
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LEARN ABOUT OSF1
false
true(1) General Commands Manual true(1) NAME
true, false - Returns a standard exit value SYNOPSIS
true false STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: true: XCU5.0 false: XCU5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. DESCRIPTION
The true command returns a 0 (zero) exit value. The false command returns a nonzero exit value. These commands are usually used in input to shell commands. NOTES
The special built-in utility : (colon) is sometimes more efficient than the true command. EXIT STATUS
[Tru64 UNIX] The nonzero value returned by the false command may vary from system to system. EXAMPLES
To construct a loop in a shell procedure, enter: while true do date sleep 60 done This procedure displays the date and time once a minute. To stop it, press the Interrupt key sequence. SEE ALSO
Commands: csh(1), ksh(1), Bourne Shell sh(1b), POSIX shell sh(1p) Standards: standards(5) true(1)