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nsahoo/insert a string to each line of a text file

Last active January 17, 2020 13:50
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insert_a_string_to_a_file_at_each_line
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insert a string to each line of a text file
# insert a string at end of each line in a file, for example:
perl -i -pe 's/$/ STRING1 /' test.list
# insert a string at beginning of each line in a file, for example:
perl -i -pe 's/^/ STRING2 /' test.list
# doing both at a time
perl -i -pe 's/^/ STRING1 /; s/$/ STRING2 /' test.list
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