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strings: Replace the -p option with the more commonly used -f

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Previously, the `-p` option printed the path of the file being
processed before any strings for that file. The `-f` prints the file
path before each string . This matches the behavior of strings on
Linux and FreeBSD.
This commit is contained in:
Tim Ledbetter 2023-06-20 18:06:20 +01:00 committed by Andreas Kling
parent 3de4cd0ba9
commit ab1e8a7b91
Notes: sideshowbarker 2024-07-17 20:33:50 +09:00 
Author: https://github.com/tcl3
Commit: https://github.com/SerenityOS/serenity/commit/ab1e8a7b91
Pull-request: https://github.com/SerenityOS/serenity/pull/19515
2 changed files with 7 additions and 9 deletions
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6
Base/usr/share/man/man1/strings.md
View file

@ -5,7 +5,7 @@ strings - find printable strings in files
## Synopsis
```**sh
$ strings [-n NUMBER] [-p] [-t FORMAT] [PATHS...]
$ strings [-n NUMBER] [--print-file-name] [-t FORMAT] [PATHS...]
```
## Description
@ -15,7 +15,7 @@ $ strings [-n NUMBER] [-p] [-t FORMAT] [PATHS...]
## Options
* `-n NUMBER`: Specify the minimum string length (4 is default).
* `-p`: Write the pathname for each file specified in `PATHS` to standard output.
* `-f`, `--print-file-name`: Print the name of the file before each string.
* `-t FORMAT`: Write each string preceded by its byte offset from the start of the file in the specified `FORMAT`, where `FORMAT` matches one of the following: `d` (decimal), `o` (octal), or `x` (hexidecimal).
## Examples
@ -35,5 +35,5 @@ $ strings -t x ~/Videos/test.webm
Display the printable strings in all .txt files in the current directory, preceded by their pathname:
```sh
$ strings -p *.txt
$ strings -f *.txt
```

10
Userland/Utilities/strings.cpp
View file

@ -70,17 +70,15 @@ static ErrorOr<void> process_strings_in_file(StringView path, bool show_paths, S
auto file = TRY(Core::File::open_file_or_standard_stream(path, Core::File::OpenMode::Read));
size_t processed_characters = 0;
size_t string_offset_position = 0;
bool did_show_path = false;
while (!file->is_eof()) {
auto buffer_span = TRY(file->read_some(buffer));
while (!buffer_span.is_empty()) {
string_offset_position += processed_characters;
processed_characters = process_characters_in_span(output_characters, buffer_span);
if (show_paths && !did_show_path) {
outln("path {}:", path);
did_show_path = true;
}
if (output_characters.size() >= minimum_string_length && should_print_characters(output_characters)) {
if (show_paths)
out("{}:", path);
print_characters(output_characters, string_offset_format, string_offset_position);
}
buffer_span = buffer_span.slice(processed_characters);
@ -102,7 +100,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
Core::ArgsParser args_parser;
args_parser.add_option(minimum_string_length, "Specify the minimum string length.", nullptr, 'n', "number");
args_parser.add_option(show_paths, "Display the path for each matched file.", nullptr, 'p');
args_parser.add_option(show_paths, "Print the name of the file before each string.", "print-file-name", 'f');
args_parser.add_option({ Core::ArgsParser::OptionArgumentMode::Required,
"Write offset relative to start of each file in (d)ec, (o)ct, or he(x) format.",
nullptr,