Luis wants to replace every occurence of the word "red" with the word "blue" in list.txt and save the result in list2.txt. Please show the commands that he'll run.
Here are the commands that Luis can use to replace every occurrence of the word "red" with the word "blue" in
list.txt and save the result in
sed 's/red/blue/g' list.txt > list2.txt
Here's what each part of the command does:
sedis a command-line tool that can be used to perform text substitutions and other text manipulations.
's/red/blue/g'is a sed expression that replaces every occurrence of "red" with "blue". The
sstands for "substitute", and the
gat the end stands for "global", which means that sed will replace all occurrences of "red" on each line of the file.
list.txtis the name of the input file that Luis wants to modify.
> list2.txtredirects the output of the sed command to a new file called
When Luis runs this command, sed will read the contents of
list.txt, replace every occurrence of "red" with "blue", and write the modified output to
list2.txt. He can then review
list2.txt to ensure that the substitutions were performed correctly.