The stat(2) system call on POSIX systems. For statistics, use the statistics instead.
The stat(2) system call is used to retrieve information about a named file (or directory).
Links:
For statistics, use the statistics tag instead.
Questions tagged [stat]
829 questions
110
votes
6 answers
How to display modified date time with 'find' command?
With a find command, I can display directories names with multiple levels. The following command display all directories under /var path with a depth of 2:
find /var -maxdepth 2 -type d;
The result…
Purres
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104
votes
15 answers
How to get summary statistics by group
I'm trying to get multiple summary statistics in R/S-PLUS grouped by categorical column in one shot. I found couple of functions, but all of them do one statistic per call, like aggregate().
data <- c(62, 60, 63, 59, 63, 67, 71, 64, 65, 66, 68, 66,…
user1289220
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83
votes
3 answers
From stat().st_mtime to datetime?
What is the most idiomatic/efficient way to convert from a modification time retrieved from stat() call to a datetime object? I came up with the following (python3):
from datetime import datetime, timedelta, timezone
from pathlib import Path
path =…
Travis Griggs
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67
votes
5 answers
Method to extract stat_smooth line fit
Is there a way to extract the values of the fitted line returned from stat_smooth?
The code I am using looks like this:
p <- ggplot(df1, aes(x=Days, y= Qty,group=Category,color=Category))
p <- p + stat_smooth(method=glm, fullrange=TRUE)+…
MikeTP
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42
votes
5 answers
R "stats" citation for a scientific paper
I analyzed my data using R package ‘stats’ (version 2.15.3). A reviewer asked me the right citation of this package and not only the common
R Core Team (2012). R: A language and environment for statistical computing. R Foundation for Statistical…
Gianni Spear
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41
votes
3 answers
Difference between lstat fstat and stat in C
Im writing a school assignment in C to search through a file system for directories, regular files and symlinks. For now i use lstat to get information about items.
So whats the difference between lstat fstat and stat system calls?
uzr
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28
votes
2 answers
understanding and decoding the file mode value from stat function output
I have been trying to understand what exactly is happening in the below mentioned code. But i am not able to understand it.
$mode = (stat($filename))[2];
printf "Permissions are %04o\n", $mode & 07777;
Lets say my $mode value is 33188
$mode &…
chidori
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20
votes
2 answers
filesize(): stat failed for specific path - php
i am coding a simple doc managing script and need to get the file size and file type /file or folder/ in a table. somehow it doesn't work into the mention directory. please help if possible:
Ivan M
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20
votes
4 answers
Implementing the ls -al command in C
As a part of an assignment from one of my classes, I have to write a program in C to duplicate the results of the ls -al command. I have read up on the necessary materials but I am still not getting the right output. Here is my code so far, its only…
ankur3000
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20
votes
3 answers
Printing file permissions like 'ls -l' using stat(2) in C
I am trying to write a small C program that emulates the unix command
ls -l. To do so, I am using the stat(2) syscall and have ran into a small hiccup writing the permissions. I have a mode_t variable which holds the file permissions from…
cheezone
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19
votes
2 answers
Having trouble understanding how fs.stat() works
I'm trying to write a function that tells me is a certain path is a directory.
var fs = require('fs');
console.log("+++++++++++++++++++++++++++++++++++++++");
fs.statSync(pathname, function(err, stats) {
…
Asher Saban
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18
votes
1 answer
How to figure out if a file is a link?
I have the below code only a part of it is shown here and I am checking if a the type of file.
struct stat *buf /* just to show the type buf is*/
switch (buf.st_mode & S_IFMT) {
case S_IFBLK: printf(" block device\n"); break;
…
Eternal Learner
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18
votes
2 answers
Git log --stat summary of branch
I would like to show how many changes (insertions+deletions) I made on a feature branch. Is there a way to get a summary of the git log --stat output for the changes between 2 commits (branch root / tip).
Thanks.
opatut
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18
votes
3 answers
Using stat to check if a file is executable in C
For homework I have to write a C program and one of the things it has to do is check to see a file exists and if it is executable by the owner.
Using (stat(path[j], &sb) >= 0 I'm able to see if the file indicated by path[j] exists.
I've looked…
Joseph Kahn
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15
votes
5 answers
Why is stat::st_size 0 for devices but at the same time lseek defines the device size correctly?
I noticed that when I query the size of a device using open + lseek, everything is OK, but when I stat the device, I get zero instead of the real device size. The device is clean without any file system and the first bytes of device start with some…
Alexander Symonenko
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