Help with A script Post: 302595020

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Homework and Emergencies Homework & Coursework Questions Help with A script Post 302595020 by balajesuri on Wednesday 1st of February 2012 11:56:29 PM

02-02-2012

Registered User

Quote:

Originally Posted by Aldaron47

Code:

if ( test $# -eq 4)
echo "Enter 4 files"
read $1 $2 $3 $4
then
touch $2
touch $3
otuch $4
cp $1 $2
cp $1 $3
cp $1 $4
else echo " Need exactly four parameters, sorry. "
fi

1. The lines which I've coloured red are contradictory. $1, $2, $3.... are positional parameters. You can't read values into them that way.
2. Your requirement was to create directories, not files, right? touch is used to change a file's access and modification time. If file doesn't exist, it creates them.
3. Try the below script. Let us know if you have any questions.
4. Please use code tags.

Code:

$ cat test.sh
#! /bin/bash

echo "Enter 4 dir names (1st is source. Next 3 are target dirs): "
read a b c d

for x in $b $c $d
do
    if [ ! -d $x ]
    then
        mkdir $x
        cp -r ./$a/* ./$x/
    else
        cp -r ./$a/* ./$x/
    fi
done
$
$ ./test.sh
Enter 4 dir names (1st is source. Next 3 are target dirs):
test test1 test2 test3
$
$ ls -l
drw-r--r-- 3 root root   4096 Jan 24 06:27 test
drwxr-xr-x 3 root root   4096 Feb  2 04:55 test1
drwxr-xr-x 3 root root   4096 Feb  2 04:55 test2
drwxr-xr-x 3 root root   4096 Feb  2 04:55 test3

'test' was an already existing dir. test1, test2, test3 are newly created dirs, which contains all of the data contained in 'test'

balajesuri

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