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Shell Programming and Scripting

replace word in a file

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# 1  
Old 11-27-2007
replace word in a file
there are 300 files in a directory , some of these files has a word "error" , I word to change this word to "message" , can advise what can i do ? thx.
# 2  
Old 11-27-2007
one way:
Code:
for i in *.txt
do
  ex - ${i} <<EOF
%s/error/message/g
wq!
EOF
done

# 3  
Old 11-28-2007
ex - ${i} can anyone explain what this command is?

generally i used to do this way

for i in *.txt
do
sed 's/error/message/g' < $i > $$
cp $$ $i
rm $$
done
# 4  
Old 11-28-2007
Another way:

Code:
perl -pi -e 's/error/message/g'  *.txt

# 5  
Old 11-28-2007
Quote:
cp $$ $i
rm $$
just rename the file

Code:
mv $$ $i

# 6  
Old 11-30-2007
thanx madhan for cutting it short. Damn! i didnt think about that.
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