Replace text in a file using sed
Type here
sed 's/old/new/g' filename
Edit a file in place with sed
Type here
sed -i 's/oldword/newword/g' corpus.txt
Delete blank lines from a file
Type here
sed '/^$/d' corpus.txt > corpus_clean.txt
Strip leading and trailing whitespace from each line
Type here
sed 's/^[ \t]*//;s/[ \t]*$//' corpus.txt
Print a specific line number from a file
Type here
sed -n '42p' corpus.txt
Print a range of lines from a file
Type here
sed -n '100,200p' corpus.txt