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Shell Programming and Scripting

Pattern Match Script

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# 1  
Old 12-14-2012
[SOLVED] Pattern Match Script
Hi,

I have a requirement in which I have to search the File name for pattern and if the pattern matches then I will have generate a value.

Example:

Code:
If 
$File_name='*NF' Then "NBC"
Else 
$File_Name='SC*' Then "CBS" 
Else "FB" 
fi

What is the best way to do this? I want to pass the File name as parameter.


Thanks.
Last edited by joeyg; 12-14-2012 at 03:44 PM.. Reason: Please wrap commands and data with CodeTags
# 2  
Old 12-14-2012
Code:
case "$1" in
        *NF)
                echo "NBC"
                ;;
         SC*)
                echo "CBS"
                ;;
esac

Code:
./myscript filename

# 3  
Old 12-14-2012
Thanks Corona688 I tried to execute the script you posted but it does not give me an output. also i want to capture the output into a parameter, how do I do it.


Thanks.
# 4  
Old 12-14-2012
It works absolutely fine here. Show exactly what you did, word for word, letter for letter, keystroke for keystroke, and I'll tell you why it didn't work. I suspect your input isn't quite what I expected.

To save something in a variable, save something in a variable. It's just a different statement in the same place, you can put whatever you want there.

Code:
case "$1" in
        *NF)
                VAR="NBC"
                ;;
         SC*)
                VAR="CBS"
                ;;
esac

Note there's no spaces on either side of the equal sign. Shell code insists on that, putting spaces there changes the meaning.
# 5  
Old 12-14-2012
Code:
##!/bin/ksh
File_Name=${1}
case "$File_Name" in
        *NF)
                VAR="NBC"
                ;;
         SC*)
                VAR="CBS"
                ;;
esac

Execution
Code:
testscript ANFCDED.txt

Last edited by btt3165; 12-14-2012 at 04:19 PM.. Reason: Extra [
# 6  
Old 12-14-2012
Since you had *NC and SC*, I figured you wanted files ending in NC or files beginning in SC, since that's what those globs mean.

If you want the string to be found anywhere, including the middle, that'd be a * before and a * after.

Your #! is wrong. It is #!/bin/ksh, not ##!/bin/ksh.

Code:
#!/bin/ksh
File_Name=${1}
case "$File_Name" in
        *NF*)
                VAR="NBC"
                ;;
         *SC*)
                VAR="CBS"
                ;;
esac

This User Gave Thanks to Corona688 For This Post:
btt3165
# 7  
Old 12-14-2012
Thanks it works, using ${VAR} to pass the captured output to a file.
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