- Read line, substitute regex and print line.
- perl -ne '{$l = $_; $l=~ s/dede/frfr/g; print $l;}' input1.txt
- perl –ne ‘$l = $l =~ s/dede/frfr/g; print $l;}’ input1.txt input2.txt
- -e means “execute” and –n makes it loop line by line
- Multiple input files are fine.
- Snazzier replacement per line
- perl -pe 's/a/b/g' < input > newfile
- Read line and print the (1-indexed) line number and line.
- perl –ne ‘print “$. – $_”’ input1.txt
- output looks like:
- 1 – My first line of input text
- 2 – My second line of input text
- With no input, print 0 to 999
- perl -e ' for ($i=0;$i<999;$i++) { print "$i\n"} '
THESE DON'T WORK WELL WITH sed
perl -pe "s/\&apos/'/g" < 2.2_cleaner > new
perl -pe 's/\"/"/g' < 2.2_cleaner > new
