write specific line number in file

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# 1  
Old 04-16-2012
write specific line number in file

dear all,

i need your advice

i have sample script like this:
for i in {1..10} 
echo testing $i 

but i forgot create "#!/bin/bash" in above "for"
so i want output will like this

for i in {1..10} 
echo testing $i 

how can i do that like output

thx before
# 2  
Old 04-16-2012

sed -i '1i#!/bin/bash' testing.sh

This User Gave Thanks to Chubler_XL For This Post:
# 3  
Old 04-16-2012
thx dude @Chubler_XL
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