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Replacing a variable in a loop

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# 1  
Old 12-06-2012
Replacing a variable in a loop
input.txt

Quote:
data<-read.table("k_file.txt")
Hi, hello
I want to make 3 seprate ouputs such that

toast1.txt

Quote:
data<-read.table("toast1_file.txt")
Hi, hello
ICH.txt
Quote:
data<-read.table("ICH_file.txt")
Hi, hello
ICH_SV.txt
Quote:
data<-read.table("ICH_SV_file.txt")
Hi, hello
I have tried "echo" and "sed 's/k/toast1/g' to replace k, but its not quite working. Please help me out Smilie
Thanks!
# 2  
Old 12-06-2012
Hammer & Screwdriver
Did you try as below..?
Code:
$ sed 's/k/toast1/' input.txt
data<-read.table("toast1_file.txt")
Hi, hello 
$

# 3  
Old 12-06-2012
right, but how do it make it in a loop such that it can do it for

toast1, ICH, ICH_SV

Quote:
for i in toast1 ICH ICH_SV
do
sed 's/k/${i}/g' input.txt > ${i}.txt
done
this is the idea, but i can't put ${i} in sed...
# 4  
Old 12-06-2012
Replace with the below sed in the loop and try..
Code:
sed 's/k/'$i'/g' inputfile

This User Gave Thanks to michaelrozar17 For This Post:
johnkim0806
# 5  
Old 12-06-2012
i was missing ' ' sign. Thanks!
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