You could also use tr to do the same thing. This will run ispell on a particular file called "FILE.txt" ispell will run interactively and prompt for user input.Ĭhcase Is used to change the uppercase letters in a file name to lowercase (or vice versa). This will run aspell on a particular file called "FILE.txt", apsell will run interactively and prompt for user input. aspell is said to be better at suggesting replacement words, but its probably best to find out for To spell check a file interactively, prompts for you to replace word or continue. This would display ("cut") characters (columns) 1 to 5, 8 and from 20 to the end. x - where x is a number to cut from line 1 to "x" and use x- (where x is a number) to cut from "x" to the end. This would cut (display) characters (columns) 1 to 50 of each line (and anything else on that line is ignored) "-" (hyphen) - used to show from line x to line y, for example 1-4, (would be from lines 1 to line 4). This would only show the username and the shell that each person is setup for in /etc/passwd. For example: cut -d ':' -f 1,7 /etc/passwd "," (commas) - used to separate numbers, these allow you to cut particular columns. This would get you only the usernames in /etc/passwd Result you would use: cut -d ',' -f 1 /etc/passwd For example if your file had lines like "result,somethingelse,somethingelse" and you only wanted f - this option works with the text by columns, separated according to the delimiter. d - allows you to specify another delimiter, for example ':' is often used with /etc/passwd: cut -d ':' (and probably some more options here) /etc/passwd You may wish to remove things according to tabs or commas, or anything else you can It won't print lines if they don't have a common value.Ĭut Prints selected parts of lines (of a text file), or, in other words, removes certain sections of lines. Join Will put two lines together assuming they share at least one common value on the relevant line.
#Debian find word in file and replace all instances full
The -g is there so it sorts via full numbers, otherwise it will have 4000 before 50 (it will just look at the first digit.). It will sort via the 4th column (GID section, in the file) and then sort within that sort using the first (name) if This will sort the "/etc/passwd" file, using the colon ':' as the separator. Here is a complex example: sort -t : -k 4 -k 1 -g /etc/passwd | more Working correctly (without the -g option sort just looks at the first digit of the number).
![debian find word in file and replace all instances debian find word in file and replace all instances](https://www.linuxshelltips.com/wp-content/uploads/2021/08/Find-and-Replace-Word-in-Linux-Using-Sed.png)
Also use the -g option if numeric sorting is not k option to specify which column you would like to sort by, where column 1 is the first column before the separator.
![debian find word in file and replace all instances debian find word in file and replace all instances](http://cdn4syt.solveyourtech.netdna-cdn.com/wp-content/uploads/2013/04/word-2010-replace-words-5.jpg)
Use the -t option to use a particular symbol as the separator then use the Sort is a powerful utility, here are some of the more hard to learn (and lesser used) commands. The above command would run sort on a file and sort the file in reverse alphabetical order. The above command would run cat on the shopping list then sort the results and display them in alphabetical order. Use sort -r to reverse the sort output, use the -g option to sort 'numerically' (ie read the entire number, not just the first digit). Can be run on text files to sort them alphabetically (note it also concatenates files), can also be used with a pipe '|' to sort the output
![debian find word in file and replace all instances debian find word in file and replace all instances](https://www.gillmeister-software.com/images/products/batch-text-replacer/help/simple-search-and-replace.png)
Sorting text with no options the sort is alphabetical.