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Userland: Implement find -name clause

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Closes https://github.com/SerenityOS/serenity/issues/4191
This commit is contained in:
Sergey Bugaev 2020-11-28 14:21:31 +03:00 • committed by Andreas Kling
parent 1abda05d38
commit 952c0dc2a0
2 changed files with 30 additions and 0 deletions
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6
Base/usr/share/man/man1/find.md
View file

@ -35,6 +35,10 @@ specified commands, a `-print` command is implicitly appended.
* `-size number[c]`: Checks if the file has the given size in 512-byte blocks, * `-size number[c]`: Checks if the file has the given size in 512-byte blocks,
rounded up. If the size is followed by the `c` character, checks if the file rounded up. If the size is followed by the `c` character, checks if the file
has the given size in bytes. has the given size in bytes.
* `-name pattern`: Checks if the file name matches the given global-style
pattern (case sensitive).
* `-iname pattern`: Checks if the file name matches the given global-style
pattern (case insensitive).
* `-print`: Outputs the file path, followed by a newline. Always evaluates to * `-print`: Outputs the file path, followed by a newline. Always evaluates to
true. true.
* `-print0`: Outputs the file path, followed by a zero byte. Always evaluates to * `-print0`: Outputs the file path, followed by a zero byte. Always evaluates to
@ -62,6 +66,8 @@ $ find -type d
$ find /tmp "(" -type s -o -user anon ")" -exec rm "{}" ";" $ find /tmp "(" -type s -o -user anon ")" -exec rm "{}" ";"
# Concatenate files with weird characters in their names: # Concatenate files with weird characters in their names:
$ find -type f -print0 | xargs -0 cat $ find -type f -print0 | xargs -0 cat
# Find files with the word "config" in their name:
$ find -name \*config\*
``` ```
## See also ## See also

24
Userland/find.cpp
View file

@ -24,6 +24,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ */
#include <AK/LexicalPath.h>
#include <AK/NonnullOwnPtr.h> #include <AK/NonnullOwnPtr.h>
#include <AK/OwnPtr.h> #include <AK/OwnPtr.h>
#include <AK/Vector.h> #include <AK/Vector.h>
@ -212,6 +213,25 @@ private:
bool m_is_bytes { false }; bool m_is_bytes { false };
}; };
class NameCommand : public Command {
public:
NameCommand(const char* pattern, CaseSensitivity case_sensitivity)
: m_pattern(pattern)
, m_case_sensitivity(case_sensitivity)
{
}
private:
virtual bool evaluate(const char* file_path) const override
{
LexicalPath path { file_path };
return path.basename().matches(m_pattern, m_case_sensitivity);
}
StringView m_pattern;
CaseSensitivity m_case_sensitivity { CaseSensitivity::CaseSensitive };
};
class PrintCommand final : public Command { class PrintCommand final : public Command {
public: public:
PrintCommand(char terminator = '\n') PrintCommand(char terminator = '\n')
@ -335,6 +355,10 @@ static OwnPtr<Command> parse_simple_command(char* argv[])
return make<GroupCommand>(argv[++optind]); return make<GroupCommand>(argv[++optind]);
} else if (arg == "-size") { } else if (arg == "-size") {
return make<SizeCommand>(argv[++optind]); return make<SizeCommand>(argv[++optind]);
} else if (arg == "-name") {
return make<NameCommand>(argv[++optind], CaseSensitivity::CaseSensitive);
} else if (arg == "-iname") {
return make<NameCommand>(argv[++optind], CaseSensitivity::CaseInsensitive);
} else if (arg == "-print") { } else if (arg == "-print") {
g_have_seen_action_command = true; g_have_seen_action_command = true;
return make<PrintCommand>(); return make<PrintCommand>();