[ -a FILE ] 濡傛灉 FILE 瀛樺湪鍒欎負鐪熴?/span>[ -b FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓潡鐗規畩鏂囦歡鍒欎負鐪熴?/span>[ -c FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓瓧鐗規畩鏂囦歡鍒欎負鐪熴?/span>[ -d FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓洰褰曞垯涓虹湡銆?/span>[ -e FILE ] 濡傛灉 FILE 瀛樺湪鍒欎負鐪熴?/span>[ -f FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓櫘閫氭枃浠跺垯涓虹湡銆?/span>[ -g FILE ] 濡傛灉 FILE 瀛樺湪涓斿凡緇忚緗簡SGID鍒欎負鐪熴?/span>[ -h FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓鍙瘋繛鎺ュ垯涓虹湡銆?/span>[ -k FILE ] 濡傛灉 FILE 瀛樺湪涓斿凡緇忚緗簡綺樺埗浣嶅垯涓虹湡銆?/span>[ -p FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓悕瀛楃閬?F濡傛灉O)鍒欎負鐪熴?/span>[ -r FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸鍙鐨勫垯涓虹湡銆?/span>[ -s FILE ] 濡傛灉 FILE 瀛樺湪涓斿ぇ灝忎笉涓?鍒欎負鐪熴?/span>[ -t FD ] 濡傛灉鏂囦歡鎻忚堪絎?FD 鎵撳紑涓旀寚鍚戜竴涓粓绔垯涓虹湡銆?/span>[ -u FILE ] 濡傛灉 FILE 瀛樺湪涓旇緗簡SUID (set user ID)鍒欎負鐪熴?/span>[ -w FILE ] 濡傛灉 FILE 濡傛灉 FILE 瀛樺湪涓旀槸鍙啓鐨勫垯涓虹湡銆?/span>[ -x FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸鍙墽琛岀殑鍒欎負鐪熴?/span>[ -O FILE ] 濡傛灉 FILE 瀛樺湪涓斿睘鏈夋晥鐢ㄦ埛ID鍒欎負鐪熴?/span>[ -G FILE ] 濡傛灉 FILE 瀛樺湪涓斿睘鏈夋晥鐢ㄦ埛緇勫垯涓虹湡銆?/span>[ -L FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓鍙瘋繛鎺ュ垯涓虹湡銆?/span>[ -N FILE ] 濡傛灉 FILE 瀛樺湪 and has been mod濡傛灉ied since it was last read鍒欎負鐪熴?/span>[ -S FILE ] 濡傛灉 FILE 瀛樺湪涓旀槸涓涓鎺ュ瓧鍒欎負鐪熴?/span>[ FILE1 -nt FILE2 ] 濡傛灉 FILE1 has been changed more recently than FILE2, or 濡傛灉 FILE1FILE2 does not鍒欎負鐪熴?exists and[ FILE1 -ot FILE2 ] 濡傛灉 FILE1 姣?FILE2 瑕佽? 鎴栬?FILE2 瀛樺湪涓?FILE1 涓嶅瓨鍦ㄥ垯涓虹湡銆?/span>[ FILE1 -ef FILE2 ] 濡傛灉 FILE1 鍜?FILE2 鎸囧悜鐩稿悓鐨勮澶囧拰鑺傜偣鍙峰垯涓虹湡銆?/span>[ -o OPTIONNAME ] 濡傛灉 shell閫夐」 “OPTIONNAME” 寮鍚垯涓虹湡銆?/span>[ -z STRING ] “STRING” 鐨勯暱搴︿負闆跺垯涓虹湡銆?/span>[ -n STRING ] or [ STRING ] “STRING” 鐨勯暱搴︿負闈為浂 non-zero鍒欎負鐪熴?/span>[ STRING1 == STRING2 ] 濡傛灉2涓瓧絎︿覆鐩稿悓銆?“=” may be used instead of “==” for strict POSIX compliance鍒欎負鐪熴?/span>[ STRING1 != STRING2 ] 濡傛灉瀛楃涓蹭笉鐩哥瓑鍒欎負鐪熴?/span>[ STRING1 < STRING2 ] 濡傛灉 “STRING1” sorts before “STRING2” lexicographically in the current locale鍒欎負鐪熴?/span>[ STRING1 > STRING2 ] 濡傛灉 “STRING1” sorts after “STRING2” lexicographically in the current locale鍒欎負鐪熴?/span>[ ARG1 OP ARG2 ] “OP” is one of -eq, -ne, -lt, -le, -gt or -ge. These arithmetic binary operators return true if “ARG1” is equal to, not equal to, less than, less than or equal to, greater than, or greater than or equal to “ARG2”, respectively. “ARG1” and “ARG2” are integers.
]]>
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// Special type of class
enum Status {
Flunk(50), Pass(70), Excel(90);
private final int value;
Status(int value) { this.value = value; }
public int value() { return value; }
};
Action a = Action.Stop;
if (a != Action.Start)
System.out.println(a); // Prints "Stop"
Status s = Status.Pass;
System.out.println(s.value()); // Prints "70"
]]>
]]>
syntax on
set tabstop=4
set softtabstop=4
set shiftwidth=4
set autoindent
set cindent
set nu
if &term=="xterm"
set t_Co=8
set t_Sb=^[[4%dm
set t_Sf=^[[3%dm
endif
let g:neocomplcache_enable_at_startup = 1
"鎷彿琛ュ叏鍔熻兘錛?/span>
:inoremap ( ()<ESC>i
:inoremap ) <c-r>=ClosePair(')')<CR>
:inoremap { {}<ESC>i
:inoremap } <c-r>=ClosePair('}')<CR>
:inoremap [ []<ESC>i
:inoremap ] <c-r>=ClosePair(']')<CR>
:inoremap < <><ESC>i
:inoremap > <c-r>=ClosePair('>')<CR>
function ClosePair(char)
if getline('.')[col('.') - 1] == a:char
return "\<Right>"
else
return a:char
endif
endf
]]>
]]>
============================================================================
Name : test.c
Author : xsong
Version :
Copyright : Your copyright notice
Description : Hello World in C, Ansi-style
============================================================================
*/
#include <stdio.h>
#include <stdlib.h>
#include<string.h>
int main(void) {
char buffer[] = "buffer example";
// memset 濉厖瀛楃涓?/span>
printf("buffer size %i \n", sizeof(buffer));
printf("before memsetd -> %s \n", buffer);
int mpoint = memset(buffer, '*', sizeof(buffer));
printf("memset return point -> %i \n", mpoint);
printf("after memsetd -> %s \n", buffer);
//strlen 鍙栧緱瀛楃涓查暱搴?/span>
int buffer_length = strlen(buffer);
printf("buffer size -> %i \n", buffer_length);
//瀛楃涓茶繛鎺?/span>
char d[10] = "foo";
char s[10] = "bar";
strcat(d, s);
printf("%s %s\n", d, s);
//瀛楃涓插垎鍓?/span>
char str[] = "root:x::0:root:/root:/bin/bash:";
char *token;
token = strtok(str, ":");
do {
printf("%s \n", token);
} while ((token = strtok(NULL, ":")) != NULL);
return EXIT_SUCCESS;
}
]]>