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Hi ,

Use the below commands for copy ..

To copy a file

cp <source_file> <new_file_name>
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To copy a complete directiory

cp -r <source_dir>...

Try this :

*.abc*: (any amount of space/tab)!* - patten to be matched


1) /.*\.abc\:\t*\!/s

or

2) /.*\.abc\: *\!/s

Use $1 instead of \1

Modify the command as below ...
perl -p -e "s/func_a\((.*)?\);/func_b\($1,\n6\);/s" < file |more