作者: A Hisham 摘要: Examples: 1. To grep parameter 'a' from file 'file1.txt' which contains numbers as "a=[1 2 3]", a = grepValues('file1.txt','a'); 2. To grep parameter 'a' from file 'file1.txt' which contains string as "a= citizen kane", clear options; options....
so that the alignment of tabs looks normal. This is useful with options that prefix their output to the actual content:-H,-n, and-b. In order to improve theprobabilitythatlines from a single file will all start at the same column, this also causes the line number...
--fixed-stringsPATTERNis asetofnewline-separated fixed strings-G,--basic-regexpPATTERNis a basic regularexpression(BRE)-P,--perl-regexpPATTERNis a Perl regular expression-e,--regexp=PATTERNusePATTERNformatching-f,--file=FILEobtainPATTERNfromFILE-i,--ignore-caseignorecasedistinctions...
--exclude-from=FILE skip files that match any file pattern from FILE --exclude-dir=GLOB skip directories that match GLOB -L, --files-without-match print only names of FILEs with no selected lines -l, --files-with-matches print only names of FILEs with selected lines -c, --count print...
-P, --perl-regexp PATTERN is a Perl regular expression:正则的类型是Perl正则表达式 -e, --regexp=PATTERN use PATTERN for matching:使用参数后面的正则进行匹配 -f, --file=FILE obtain PATTERN from FILE:从目标文件中获取正则进行匹配 -i, --ignore-case ignore case distinctions:忽略大小写的不同 ...
--exclude=PATTERN 跳过匹配FILE_PATTERN 的文件和目录--exclude-from=FILE 跳过所有除FILE 以外的文件-L, --files-without-match 匹配多个文件时,显示不匹配的文件名-l, --files-with-matches 匹配多个文件时,显示匹配的文件名-c, --count 显示匹配了多少次-Z, --null 在FILE 文件最后打印空字符 文件控制:...
百度试题 结果1 题目哪一个命令能用来查找文件TESTFILE中只包含四个字符的行?( ) A. grep ^$ TESTFILE B. grep TESTFILE C. grep ^...$ TESTFILE D. grep ... TESTFILE 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 题目如何在文件中查找显示所有以“*”打头的行?() A. find\*file B. wc-l* C. grep-n*file D. grep\*file 相关知识点: 试题来源: 解析 D.grep\*file find:查找文件或目录 反馈 收藏
grep patricia myfile Find all occurrences of the pattern ".Pp" at the beginning of a line. The single quotation marks assure the entire expression is evaluated bygrepinstead of by the shell. The carat (^) means from the beginning of a line. ...
百度试题 题目在文件中查找显示所有以”*“开头的行,下列命令中正确的选项是()? A.find \* fileB..wc -l *C..grep -n * fileD..grep \* file相关知识点: 试题来源: 解析 D 反馈 收藏