In the input file, we have duplicate lines, such as “Linux” and “is“. If we remove duplicate lines and keep the lines in the original order, we should get: Linux is nice However, if we first sort the file and then remove duplicates, we’ll have: ...
In addition to the above commands,we can also create a Bash script to identify duplicate lines in a file: $ nano find_duplicate.sh #!/bin/bash read -p "Enter the file name: " file_name declare -A lines while IFS= read -r line; do (( lines[$line]++ )) done < "$file_name"...
The wc (word count) command prints counts of lines, words, and bytes in a file.Syntax:wc [options] [file]Options:-l –Print only the line count. -w –Print only the word count. -c –Print only the byte count.For example:wc report.txt...
Remove Duplicate Lines In a Fileuniq Alsouniq -i Compare Two or More Files To See What’s Changeddiff -u Substitute Selected Characters with Otherstr Delete matching characterstr -d Replace repeated characters with a single instancetr -s ...
1. Use the following command to remove duplicate words from the sorted word list: uniq sorted_word_list.txt > deduplicated_word_list.txt This command removes duplicate lines from the “sorted_word_list.txt” file and saves the deduplicated list to a new file named “deduplicated_word_list...
Files master Documentation LICENSES arch block certs crypto drivers fs include init io_uring ipc kernel lib mm net rust samples scripts security sound tools usr virt .clang-format .clippy.toml .cocciconfig .editorconfig .get_maintainer.ignore ...
(filename, lineno): fro = open(filename, "r",encoding='UTF-8') current_line..., "r+") frw.seek(seekpoint, 0) # read the line we want to discard fro.readline() # 读入一行进内存...,同时 文件指针下移实现删除 # now move the rest of the lines in the file # one line back ...
cut -d',' -f1,3 file.csv –uniq: uniq is used to filter out duplicate lines from sorted text. For example, to find unique lines in a file: sort file.txt | uniq These commands, in combination with grep, sed, and awk, provide a robust toolkit for searching, processing, and manipulat...
Add line number for all non-empty-lines in a file $ sed '/./=' thegeekstuff.txt | sed 'N; s/\n/ /' More sed examples:Advanced Sed Substitution Examples 6. awk command examples Remove duplicate lines using awk $ awk '!($0 in array) { array[$0]; print }' temp ...
Remove duplicate lines using awk $ awk '!($0 in array) { array[$0]; print }' temp Print all lines from /etc/passwd that has the same uid and gid $awk -F ':' '$3==$4' passwd.txt Print only specific field from a file. $ awk '{print $2,$5;}' employee.txt More awk examp...