Remove Duplicate Lines: Write a Bash script that removes duplicate lines from a text file named "data.txt" and saves the result in a new file named "unique_data.txt". Code: #!/bin/bash # Remove duplicate lines from "temp.txt" and save to "unique_data.txt" sort -u temp.txt > uni...
7 Remove duplicate words in a line with sed 0 How to remove lines with duplicate pair of words? 0 how to remove duplicate words matching the pattern from every line of a file in linux 0 Bash remove duplicate words from file (regex: sed,awk) 0 Remove duplicate data using bash, ...
20. Remove duplicate lines from a text file Description Notes: //...syntax of uniq...// $uniq [OPTION] [INPUT[OUTPUT]] The syntax of this is quite easy to understand. Here, INPUT refers to the input file in which repeated lines need to be filtered out and if INPUT isn't specified...
then remove the duplicate lines then remove the lines containing visible variables ($) Share Follow answered Apr 24, 2017 at 12:10 hcii 1111 bronze badge Add a comment 1 Yes eval should be used carefully, but it provided me this simple oneliner for my problem. Below is an example ...
If unset, or if set to any other value than those command_oriented_history If set, bash attempts to save all lines of a multi ple-line command in the same history entry. This allows easy re-editing of multi-line commands. glob_dot_filenames If set, bash includes filenames ...
How do I determine the location of my script? I want to read some config files from the same place【BashFAQ/028 脚本文件目录】; Parameter Substitution参数替换,字符串查找、替换、截取操作; ${var%Pattern}:Remove from$varthe shortest part of$Patternthat matches the back end of$var. ...
This method uses less memory than the mapfile method and works in bash 3 but it is slower for bigger files.lines_loop() { # Usage: lines_loop "file" count=0 while IFS= read -r _; do ((count++)) done < "$1" printf '%s\n' "$count" }...
rremovethelastsuffixofafilename s/old/new/substitutenewforoldinthetext.Any delimitermaybeused.An&inthe replacementmeansthevalueofold.With emptyold,uselastold,orthemostrecent !?str?searchiftherewasnopreviousold tremoveallbutthelastpartofafilename, ...
unset Fruits[2] # Remove one item Fruits=("${Fruits[@]}") # Duplicate Fruits=("${Fruits[@]}""${Veggies[@]}") # Concatenate lines=(`cat"logfile"`) # Read fromfile 迭代 foriin"${arrayName[@]}";doecho$idone 字典 定义
--init-file file --rcfile file Execute commands from file instead of the standard per- sonal initialization file ~/.bashrc if the shell is interactive (see INVOCATION below). --login Equivalent to -l. --noediting Do not use the GNU readline library to read command lines when the shell ...