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Old 11-16-2005, 03:33 PM   #1
angel115
Member
 
Registered: Jul 2005
Location: France / Ireland
Distribution: Debian mainly, and Ubuntu
Posts: 494

Rep: Reputation: 75
For foo in bar; do


I have 3 file
file1
Code:
file1 line1
file1 line2
file2
Code:
file2 line1
file2 line2
file3
Code:
file3 line1
file3 line2
and i want an output like this:
Code:
file1 line1 + file2 line1 = file3 line1
file1 line2 + file2 line2 = file3 line3
I was thinking to use

For in do
and do some thing like this
Code:
#!/bin/bash
for linefile1 in $( cat file1 ); do
  for linefile2 in $( cat file2 ); do
    for linefile3 in $( cat file3 ); do
cat >> my_output_file << EOF
$linefile1 + $linefile2 = $linefile3
EOF
but it doesn't work... f
 
Old 11-16-2005, 05:52 PM   #2
homey
Senior Member
 
Registered: Oct 2003
Posts: 3,057

Rep: Reputation: 56
Do you mean something like this....
Code:
#!/bin/bash
# Example: ./test file1.txt file2.txt

>file3.txt
cat $1 $2 |\
while read a ; do
  echo $1 $a + $2 $a = file3.txt $a >> file3.txt
done
 
  


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