find ./ -size 0 -exec rm {} \; 删除文件大小为零的文件 (还可以以这样做:rm -i `find ./ -size 0` 或 find ./ -size 0 | xargs rm -f &) 为了用ls -l命令列出所匹配到的文件,可以把ls -l命令放在find命令的-exec选项中:find . -type f -exec ls -l { } \; 在/logs目录中查找更...
- 【重要】Replace the first occurrence of a string in a file, and print the result: sed 's/find/replace/' filename - 【重要】Replace all occurrences of an extended regular expression in a file: sed -E 's/regular_expression/replace/g' filename - 【重要】Replace all occurrences of a s...
your bytes leave the application layer on Host A and travel through the transport and network layers on Host A; then they go down to the physical medium, across the medium, and up again through the various lower levels to the application layer on Host B in much the same way. If...
If successful, replace that portion matched with replacement. The replacement may contain the special character & to refer to that portion of the pattern space which matched, and the special escapes 1 through 9 to refer to the corresponding matching sub-expressions in the regexp. 举例说明如下,下...
7.2.2 Configuration Files(配置文件) The base rsyslogd configuration file is /etc/rsyslog.conf, but you’ll find certain configurations in other directories, such as /etc/rsyslog.d. The configuration format is a blend of traditional rules and rsyslogspecific extensions. One rule of thumb is that...
在输出的文件上保留访问时间,要么通过在读取(默认METHOD=‘replace’)后还原时间,要不就不要在第一次(METHOD=‘system’)设置时间 --clamp-mtime 仅在文件比 --mtime 给出的时间更新时才设置时间 --delay-directory-restore 直到提取结束才设置修改时间和所解目录的权限 --group=NAME 强制NAME 作为已添加文件的...
1.2、find命令的常用选项及实例 -name 按照文件名查找文件。 find /dir -name filename 在/dir目录及其子目录下面查找名字为filename的文件 find . -name "*.c" 在当前目录及其子目录(用“.”表示)中查找任何扩展名为“c”的文件 -perm 按照文件权限来查找文件。
查找符合条件的文件:find、locate将输入的字符串标准输出:echo调用并执行指定的命令:exec抽取文本操作按列抽取文本内容:cut 合并文件:paste 文本数据统计:wc 文本排序:sort 转换和删除字符:tr 删除前后相接的重复的行:uniq 比较文件区别:diff 复制在其它文件中进行的改变:patch 文本过滤(模式:pattern)工具 grep, egre...
To disable ftrace_enabled simply replace the '1' with '0' in the above commands.When ftrace_enabled is set the tracers will also record the functions that are within the trace. The descriptions of the tracers will also show an example with ftrace enabled.irqsoff...
- interactive search and replace (with regular expression support) - a go-to line (and column) command - support for multiple file buffers - auto-indentation - tab completion of filenames and search terms - toggling features while running ...