Add line number for all non-empty-lines in a file $ sed '/./=' thegeekstuff.txt | sed 'N; s/\n/ /' More sed examples:Advanced Sed Substitution Examples 6. awk command examples Remove duplicate lines using awk $ awk '!($0 in array) { array[$0]; print }' temp Print all lines...
Remove duplicate lines using awk $ awk '!($0 in array) { array[$0]; print }' temp Print all lines from /etc/passwd that has the same uid and gid $awk -F ':' '$3==$4' passwd.txt Print only specific field from a file. $ awk '{print $2,$5;}' employee.txt More awk examp...
Write a script that read a file name from the user, and remove duplicate lines from that file? read -p "Enter the file name:" filename sort -u $filename > temp.txt mv temp.txt $filename Operators Arithmetc operators: + - * / % Relational operators (numeric comparison operators), ...
编辑配置文件,在最后追加写入内容 baseurl 中 file:// 表示本地文件,第三个 / 表示 根目录 代码语言:javascript 代码运行次数:0 运行 AI代码解释 [root@JiekeXu yum.repos.d]# cp rhel-source.repo rhel-source.repo.bak[root@JiekeXu yum.repos.d]# vi rhel-source.repo[rhel64]name=rhel64 repo base...
The uniq command filters duplicate adjacent lines from input. This is often used in conjunction with sort.Basic syntax:uniq [options] [input]Options:-c –Prefix unique lines with count of occurrences. -d –Only show duplicated lines, not unique ones....
命令类型: 内置命令:{shell 内置} 外部命令:在文件系统的某个目录下有与命令名称相应的可执行文件 date :时间管理 linux: rtc date -s "2012-05-23 01:01:01" //这样可以设置全部时间 硬件时间:hwclock 系统时间:date
htopallows scrolling the list of processes vertically and horizontally to see their full command lines and related information like memory and CPU consumption. Also system wide information, like load average or swap usage, is shown. The information displayed is configurable through a graphical setup ...
If[addr] is specified, the command X will be executed only on the matched lines. [addr] can be a single line number, a regular expression, or a range of lines (seesed addresses).
3390022 When you restore the switch configuration after upgrading from Cumulus Linux 4.2.x to 4.4.5 and later with ONIE, the configuration lines under the peerlink.4095 interface stanza are duplicated. Subsequent ifreloads, or net commit commands fail until you manually remove the duplicated lines...
clean - Remove most generated files but keep the config and enough build support to build external modules mrproper - Remove all generated files + config + various backup files distclean - mrproper + remove editor backup and patch files