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# 1  
Old 12-11-2011
Copying Multiple Files into a Subdirectory

Hello,

I'm very new to scripting languages and I'm to use shell script to write a utility to backup files with a specific extension into a subdirectory.

Here is what I have done.

Code:
#!/bin/bash

read -p "Enter file(s) extension: " FILE

if [ -e *.$FILE ]; then
         mkdir `whoami`.$FILE #To create a directory with the name of the current user and the extension of the file
         cp *.$FILE `whoami`.$FILE #Gives me error when I have multiple files of same type in my directory
elif [ -d `whoami`.$FILE ]; then
         echo "The directory already exits." #It should check to see whenever there is an existing directory or not but instead it gives me an error ": binary operator expected"
elif [ ! -e *.$FILE ]; then
         echo "Extension does not match"
fi

Any help is highly appreciated.

Thank you

Last edited by alphanoob; 12-12-2011 at 01:13 PM..
# 2  
Old 12-11-2011
Code:
#!/bin/bash

USER=$( whoami )
read -p "Extension : " EXT
DIR=${USER}${EXT}

log()
{
        errno=${1}; msg=${2}
        if [ ${errno} -eq 999 ]; then
                echo "INFO : ${msg}"
        elif [ ${errno} -ne 0 ]; then
                echo -e "ERROR : ${msg}\nExiting..."
                exit 1  
        fi
}

ls *.${EXT} >/dev/null 2>&1
log ${?} "No valid files with extension : ${EXT}"
        
if [ ! -d ${DIR} ];then
        log 999 "Creating ${DIR}..."
        mkdir -p ${DIR} >/dev/null 2>&1
        log ${?} "Could not create ${DIR}!"
else
        log 999 "${DIR} already exists..."
fi

log 999 "Copying *.${EXT} to ${DIR}..."
cp -f *.${EXT} ${DIR} >/dev/null 2>&1
log ${?} "Copy failed!"

HTH
--ahamed

Last edited by ahamed101; 12-11-2011 at 09:07 PM..
This User Gave Thanks to ahamed101 For This Post:
# 3  
Old 12-11-2011
@alphanoob: There's a hanging double quote in the last elif condition. [ ! -e *.$FILE"]. This will throw an error.

Apart from this, the script will display a message cp: omitting directory `user.dat' when it tries to copy folder `whoami`.$FILE to itself.

By the way, what exactly is your question?
# 4  
Old 12-11-2011
Hello,

Thank you very much for both of your replies. Apart from what has been noted in codes done by ahmad101. My question is to exactly copy the files of same types (e.g. txt, jpg) to another location.

Thank you
# 5  
Old 12-11-2011
That is what is done, right?... EXT will have the extension and that will used to copy the files with that extension. Did I get it wrong?

--ahamed
This User Gave Thanks to ahamed101 For This Post:
# 6  
Old 12-12-2011
Thank you very much for your prompt response. Just one more question? If I want it able to get the extension as an argument what should I do exactly?
# 7  
Old 12-12-2011
Get rid of the 'read' and use a positional variable like $1, $2, ...

Be sure to validate the arguments as given.

Code:
if [ "$#" -lt 1 ]
then
        echo "Not enough arguments"
        exit 1
fi

EXT="$1"

This User Gave Thanks to Corona688 For This Post:

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