系统中CPU的数量

grep可以自己计数,wc -l并不是必要的(取决于grep实现)
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linux命令:grep -cE "^processor" /proc/cpuinfo /proc/cpuinfo "^processor" -cE grep grep -cE "^processor" /proc/cpuinforootopen.com
linux命令:grep -cE "^processor" /proc/cpuinfo /proc/cpuinfo "^processor" -cE grep grep -cE "^processor" /proc/cpuinforootopen.com
cqpk 2018-02-27 21:16:48
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linux命令:grep 详解

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grep ^ 将匹配文件中的所有行 grep -n 将为每行输出添加前缀,并在其输入文件中添加行号

linux命令:grep -n ^ /path/to/file | less less | /path/to/file ^ -n grep grep -n ^ /path/to/file | lessrootopen.com
linux命令:grep -n ^ /path/to/file | less less | /path/to/file ^ -n grep grep -n ^ /path/to/file | lessrootopen.com
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-f 是指定一个带有模式列表的文件:file1 -F 是在不使用正则表达式的情况下处理固定字符串的模式 -x 是完全匹配整行 -v 是选择不匹配的行 结果实际上同: diff file1 file2 | grep '^>' | sed -e s/..//

linux命令:grep -vxFf file1 file2 file2 file1 -vxFf grep grep -vxFf file1 file2rootopen.com
linux命令:grep -vxFf file1 file2 file2 file1 -vxFf grep grep -vxFf file1 file2rootopen.com
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grep ^ 将匹配文件中的所有行 grep -n 将为每行输出添加前缀,并在其输入文件中添加行号

linux命令:grep -n ^ /path/to/file | less less | /path/to/file ^ -n grep grep -n ^ /path/to/file | lessrootopen.com
linux命令:grep -n ^ /path/to/file | less less | /path/to/file ^ -n grep grep -n ^ /path/to/file | lessrootopen.com
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假如 file文件中有内容:highlight with grep and still output file contents

linux命令:grep --color -E 'highlight|' file file 'highlight|' -E --color grep grep --color -E 'highlight|' file rootopen.com
linux命令:grep --color -E 'highlight|' file file 'highlight|' -E --color grep grep --color -E 'highlight|' file rootopen.com
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itemslistavoid (A)可以是文件列表,具有排除的特殊特性。它可以是前面处理列表的结果,例如包含特殊字符串的文件列表。AlItemsList.txt (B)是一个完整的项目列表,其中包括a中的部分或全部项目.

linux命令:grep -vxFf ItemsListtoAvoid.txt AllItemsList.txt> ItemsDifference.txt ItemsDifference.txt AllItemsList.txt> ItemsListtoAvoid.txt -vxFf grep grep -vxFf ItemsListtoAvoid.txt AllItemsList.txt> ItemsDifference.txtrootopen.com
linux命令:grep -vxFf ItemsListtoAvoid.txt AllItemsList.txt> ItemsDifference.txt ItemsDifference.txt AllItemsList.txt> ItemsListtoAvoid.txt -vxFf grep grep -vxFf ItemsListtoAvoid.txt AllItemsList.txt> ItemsDifference.txtrootopen.com
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linux命令:grep -E -E grep grep -Erootopen.com
linux命令:grep -E -E grep grep -Erootopen.com
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linux命令:grep –v “#” /etc/apache2/sites-available/default-ssl /etc/apache2/sites-available/default-ssl “#” –v grep grep –v “#” /etc/apache2/sites-available/default-sslrootopen.com
linux命令:grep –v “#” /etc/apache2/sites-available/default-ssl /etc/apache2/sites-available/default-ssl “#” –v grep grep –v “#” /etc/apache2/sites-available/default-sslrootopen.com
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grep命令在文件(或文件)中搜索指定的模式,并在包含该模式的输出行中显

linux命令:grep ‘tecmint’ domain-list.txt domain-list.txt ‘tecmint’ grep grep ‘tecmint’ domain-list.txtrootopen.com
linux命令:grep ‘tecmint’ domain-list.txt domain-list.txt ‘tecmint’ grep grep ‘tecmint’ domain-list.txtrootopen.com
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linux命令:grep -i 'hello' * * 'hello' -i grep grep -i 'hello' *rootopen.com
linux命令:grep -i 'hello' * * 'hello' -i grep grep -i 'hello' *rootopen.com
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将搜索当前目录及其所有子目录(包括其子目录等)中的所有文件,以查找包含heoll的每一行

linux命令:grep -r 'hello' * * 'hello' -r grep grep -r 'hello' *rootopen.com
linux命令:grep -r 'hello' * * 'hello' -r grep grep -r 'hello' *rootopen.com
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使用星形通配符(即*)来表示当前目录中的所有文本文件

linux命令:grep 'hello' * * 'hello' grep grep 'hello' *rootopen.com
linux命令:grep 'hello' * * 'hello' grep grep 'hello' *rootopen.com
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字符串序列用引号(单引号或双引号)括起来实现的

linux命令:grep 'hello word' file1 file2 file3 file3 file2 file1 word' 'hello grep grep 'hello word' file1 file2 file3rootopen.com
linux命令:grep 'hello word' file1 file2 file3 file3 file2 file1 word' 'hello grep grep 'hello word' file1 file2 file3rootopen.com
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搜索三个文件file1,file2和file3以查找包含字符串(即字符序列)hello 的任何行

linux命令:grep hello file1 file2 file3 file3 file2 file1 hello grep grep hello file1 file2 file3rootopen.com
linux命令:grep hello file1 file2 file3 file3 file2 file1 hello grep grep hello file1 file2 file3rootopen.com
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这抓住了所有的线路,这些线路实例化静态调用,然后过滤出工艺并显示每个调用类的概要和频率。

linux命令:grep -o "\(new \(\w\+\)\|\w\+::\)" file.php | sed 's/new \|:://' | sort | uniq -c | sort sort | -c uniq | sort | \|:://' 's/new sed | file.php \(\w\+\)\|\w\+::\)" "\(new -o grep grep -o "\(new \(\w\+\)\|\w\+::\)" file.php | sed 's/new \|:://' | sort | uniq -c | sortrootopen.com
linux命令:grep -o "\(new \(\w\+\)\|\w\+::\)" file.php | sed 's/new \|:://' | sort | uniq -c | sort sort | -c uniq | sort | \|:://' 's/new sed | file.php \(\w\+\)\|\w\+::\)" "\(new -o grep grep -o "\(new \(\w\+\)\|\w\+::\)" file.php | sed 's/new \|:://' | sort | uniq -c | sortrootopen.com
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linux命令:grep -v "^#" file.txt | more more | file.txt "^#" -v grep grep -v "^#" file.txt | morerootopen.com
linux命令:grep -v "^#" file.txt | more more | file.txt "^#" -v grep grep -v "^#" file.txt | morerootopen.com
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检查当前目录和子目录中的文件,找出包含“sampleString”的文件并从文件中删除包含的行。 *请注意,该命令将更新原始文件[无备份]。如果一起使用“查找”命令进行播放,则该命令可以被扩展,例如,有可能在某些类型的文件上执行:* .xml,* .txt ...(find -name“* .xml”| grep ....)如果有人知道更好的解决方案,请删除评论。谢谢。

linux命令:grep -r "sampleString" . |uniq | cut -d: -f1 | xargs sed -i "/sampleString/d" "/sampleString/d" -i sed xargs | -f1 -d: cut | |uniq . "sampleString" -r grep grep -r "sampleString" . |uniq | cut -d: -f1 | xargs sed -i "/sampleString/d"rootopen.com
linux命令:grep -r "sampleString" . |uniq | cut -d: -f1 | xargs sed -i "/sampleString/d" "/sampleString/d" -i sed xargs | -f1 -d: cut | |uniq . "sampleString" -r grep grep -r "sampleString" . |uniq | cut -d: -f1 | xargs sed -i "/sampleString/d"rootopen.com
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* = where

linux命令:grep -lir "text to find" * * find" to "text -lir grep grep -lir "text to find" *rootopen.com
linux命令:grep -lir "text to find" * * find" to "text -lir grep grep -lir "text to find" *rootopen.com
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该脚本首先递归地查找包含单词xxxxx的所有文件。然后将单词xxxxx替换为文件的yyyyy。使用案例: - 网站域更改 - 程序的功能名称更改

linux命令:grep -r -l xxxxx . | xargs perl -i -pe "s/xxxxx/yyyyy/g" "s/xxxxx/yyyyy/g" -pe -i perl xargs | . xxxxx -l -r grep grep -r -l xxxxx . | xargs perl -i -pe "s/xxxxx/yyyyy/g"rootopen.com
linux命令:grep -r -l xxxxx . | xargs perl -i -pe "s/xxxxx/yyyyy/g" "s/xxxxx/yyyyy/g" -pe -i perl xargs | . xxxxx -l -r grep grep -r -l xxxxx . | xargs perl -i -pe "s/xxxxx/yyyyy/g"rootopen.com
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过滤文件中的注释和空行。我发现这非常有用,当试图找到什么值实际上在一个很长的示例配置文件中设置。我经常为它设置一个别名,如:alias nocomment ='grep -v“^ \($ \ |#\)” “

linux命令:grep -v "^\($\|#\)" <filenames> <filenames> "^\($\|#\)" -v grep grep -v "^\($\|#\)" <filenames>rootopen.com
linux命令:grep -v "^\($\|#\)" <filenames> <filenames> "^\($\|#\)" -v grep grep -v "^\($\|#\)" <filenames>rootopen.com
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如果文件存在,grep -sq“”filename && commandgrep可以与&&结合使用来运行命令。

linux命令:grep -sq "" /etc/lsb-release && lsb_release -rd -rd lsb_release && /etc/lsb-release "" -sq grep grep -sq "" /etc/lsb-release && lsb_release -rdrootopen.com
linux命令:grep -sq "" /etc/lsb-release && lsb_release -rd -rd lsb_release && /etc/lsb-release "" -sq grep grep -sq "" /etc/lsb-release && lsb_release -rdrootopen.com
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