Línea de comandos de Ubuntu reemplazar la palabra en archivos
sed -i 's/original/new/g' file.txt
Coding Cobra
sed -i 's/original/new/g' file.txt
sed -i 's/old-text/new-text/g' input.txtsed -i 's/foo/bar/g' hello.txtecho dog dog dos | sed -e 's:dog:log:g'
#You can also use the above answer with appropriate slashes like
echo "grepper is a nice grepper" | sed "s/grepper/blow/g"Just concatenate var '"$var"' to replace values string in sed command:
$ sed -i 's/string_to_replace/'"$var"'/g' file_to_replace.txtFor using match in sed replacement, just border it with '\(' and '\)':
echo Before123 | sed 's/Before\([0-9]*\)/\1After/g'
123After # number is matched withtin '\( \)' and replaced in '\1'
Example with 2 match replacements
echo a_b | sed 's/\(^.*\)_\(.*$\)/first is \1 and \2 is after/g'