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Replace the file using sed

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# 1  
Old 01-14-2008
Replace the file using sed
I have file with 70 lines.

I want to add 'SLV' at the starting of the line if the line has first character as 0 or 1 or 2 or ..9

Nothing else has to be changed in the file. Please anyone advice.
# 2  
Old 01-14-2008
Code:
sed -e "s/^\([0123456789]\)/SLV \1/g" file.txt

# 3  
Old 01-14-2008
shell
Code:
#!/bin/sh
while IFS= read -r line
do
 case $line in 
   [0-9]* ) printf "%s\n" "SLV $line";;
    *) printf "%s\n" "$line";;
 esac
done < "file" > newfile

# 4  
Old 01-14-2008
Code:
sed 's/^[0-9]/SLV &/' file.txt

# 5  
Old 01-14-2008
using Perl:
Code:
perl -pi -e 's/^(\d)/SLV \1/' file

# 6  
Old 11-20-2008
Check with this
Quote:
Originally Posted by senthil_is
I have file with 70 lines.

I want to add 'SLV' at the starting of the line if the line has first character as 0 or 1 or 2 or ..9

Nothing else has to be changed in the file. Please anyone advice.
=======================================================

#!/usr/bin/ksh

ls -l |grep .txt|nawk '{print $9}' > list

while read FILE

do

perl -pi -e 's/01/09\/SWV/g' $FILE

done <list
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