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Search for file, give error if more than one file is found

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Top Forums Shell Programming and Scripting Search for file, give error if more than one file is found
# 8  
Old 04-03-2012
Code:
function testfiles
{
        if [ "$#" -ne 1 ]
        then
                echo "Incorrect argument" >&2
                return 1
        fi

        if [ -z "$1" ]
        then
                echo "No file given" >&2
                return 1
        fi

        if [ ! -f "$1" ]
        then
                echo "$1 does not exist" >&2
                return 1
        fi

        return 0
}

testfiles /etc/passwd

testfiles /etc/slartibartfast

testfiles 1 2 3 4 5

# 9  
Old 04-03-2012
There is some problem using the icons for some reason.
# 10  
Old 04-03-2012
I don't see any problem with the buttons myself, I suspect it's your browser.

You should post in the 'contact the admins' forum to contact the admins in any case instead of putting irrelevant content in a thread
This User Gave Thanks to Corona688 For This Post:
kristinu
# 11  
Old 04-03-2012
Quote:
Originally Posted by Corona688
Code:
function testfiles
{
        if [ "$#" -ne 1 ]
        then
                echo "Incorrect argument" >&2
                return 1
        fi

        if [ -z "$1" ]
        then
                echo "No file given" >&2
                return 1
        fi

        if [ ! -f "$1" ]
        then
                echo "$1 does not exist" >&2
                return 1
        fi

        return 0
}

testfiles /etc/passwd

testfiles /etc/slartibartfast

testfiles 1 2 3 4 5

Why do you do a return 1 every time?
# 12  
Old 04-03-2012
Code:
iflBase=`ls -lrt *.base | awk 'BEGIN {ORS=" ";}; {print $NF}'`  testfiles $iflBase

@kristinu
Lost the plot here.
What is the code intended to do? Please show sample data and expected output and an overview of the process.
Please also post what Operating System and version you have and what Shell you are using today.

Also, your last post contains Microsoft funny characters.
# 13  
Old 04-03-2012
Quote:
Originally Posted by kristinu
Why do you do a return 1 every time?
Look closer -- I don't. I return a zero when it succeeds.

Shell error codes. 0 for success, nonzero for failure.

That lets you plug it right into an if-statement, the way it's meant to work.

Code:
if testfiles $filenames
then
        echo "filenames are okay"
else
        exit 1
fi

or even

Code:
testfiles $filenames || exit 1

# 14  
Old 04-03-2012
My browser started behaving strange for some reason. I am on Fedora release 12 (Constantine) Kernel \r on an \m (\l) file="" testfiles $file no file found testfiles /etc/passwd print nothing testfiles /etc/slartibartfast file does not exist testfiles 1 2 3 4 5 5 files found. Program requires only one input file
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