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Top Forums Shell Programming and Scripting Copying files using $filename Post 302563956 by linuxn00b on Wednesday 12th of October 2011 01:22:38 PM
Old 10-12-2011
make your code look like the following and it will work for you. You need to put "" around the the second "$a"_bkp. You might also want to do a cp -p to preserve ownership, permissions, etc.

Code:
#!/bin/ksh

dir=/home/linux1/sam

echo "enter a file name"
read a
cd $dir
if [ -e $a ]
then
echo "file exists"
cp -p $a $dir/"$a"_bkp
else
echo "file doesn't exist"
fi

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line(1) 						      General Commands Manual							   line(1)

NAME
line - Reads one line from standard input SYNOPSIS
line STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: line: XCU5.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. OPTIONS
None DESCRIPTION
The line command copies one line, up to and including a newline, from standard input and writes it to standard output. Use this command within a shell command file to read from your terminal. The line command always writes at least a newline character. NOTES
The line utility has no internationalization features and is marked LEGACY in XCU Issue 5. Use the read utility instead. EXIT STATUS
Success. End-of-File. EXAMPLES
To read a line from the keyboard and append it to a file, enter: echo 'Enter comments for the log:' echo ': c' line >>log This shell procedure displays the message: Enter comments for the log: It then reads a line of text from the keyboard and adds it to the end of the file log. The echo ': c' command displays a : (colon) prompt. See the echo command for information about the c escape sequence. SEE ALSO
Commands: echo(1), ksh(1), read(1), Bourne shell sh(1b), POSIX shell sh(1p) Functions: read(2) Standards: standards(5) line(1)
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