Halid Faith schrieb:
Ok
But I have another problem,
I couldn't use any command  interior of sed command. That's to say I have a
script;

yy="file5"
 for i in `cat file1`;
 do
 sed -e 's/old1/new1\ \'$i'/g' -e 's/old2/'cut -d, -f 1 ${yy}'/g'   file2 >
file3
 done

When I run the script,  I get an error, due to using cut command



For using environment variables in sed, you have to use # instead of /

VAR="TEXT"

sed s#OLD#${VAR}#g file1

Will replace OLD by TEXT. Do not use quotations here...
Rg, Tino
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