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#£¡/bin/bash
for files in `ls *.`
do
mv $files `echo “$filests” `
done
2. ͬÉÏ
mv $files ${files}ts
3. ͬÉÏ
mv $files `$files.ts|sed ’s/\.//’ `
4. file £½>file.txt
mv $files $files.txt
5. *.04 => *04.txt
mv $files $(echo ${files}.txt|sed ’s/\.//1′)
»òÕß
mv $files `echo ${files}.txt|sed ’s/\.//1′ `
B ¸Äºó׺(.old => .new)
1. rename
rename .old .new *
2.
mv $files ${file%.old}.new
3.
mv $files `echo $files|tr .old .new`
4.
mv $files `echo $files|sed ’s/\.old/\.new/’ `
C È¥ºó׺ £¨*.dat £½> *)
1. mv $files `echo $files |sed ’s/\.dat//’ `
2. mv $files `echo $files|tr .dat £¨4¿Õ¸ñ£©`
D ¸Äǰ׺ (re* => un*)
1. mv $files un${$files#re}
2. mv $files `echo $files | tr re un`
mv yourfile `date "+%Y-%m-%d~%H-%M-%S"`
mv oldfile `date +%Y-%m-%d`
mv oldfile `date -I`
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#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#define _FILE_OFFSET_BITS 64
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
int main()
{
printf("sizeof(off_t) = %d\n", sizeof(off_t));
int ......
#include <sys/ipc.h>
#include <stdio.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#define PERM IPC_CREAT //S_IRUSR|S_IWUSR
#include <errno.h>
int main(int argc,char **argv)
{
int shmid[2048];
c ......
1£® ´´½¨Ä¿Â¼
mkdir –p test/sub
2£® ÔÚ×ÓĿ¼sub/ϱàдhello.cºÍhello.h
/*****hello.c*****/
#include <stdio.h>
#include “hello.h”
void hello()
{
printf(“Hello!\n”);
}
/*****hello.h**** ......
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