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语  法:fgrep [范本样式][文件或目录...]



Search a file for a fixed-character string.


fgrep [-b] [-c] [-h] [-i] [-l] [-n] [-s] [-v] [-x] [ -e pattern_list] [-f pattern-file] [pattern] [ file]

-b Precede each line by the block number on which it was found. This can be useful in locating block numbers by context (first block is 0). -c Print only a count of the lines that contain the pattern. -h Suppress printing of files when searching multiple files. -i Ignore upper/lower case distinction during comparisons. -l Print the names of files with matching lines once, separated by new-lines. Does not repeat the names of files when the pattern is found more than once. -n Precede each line by its line number in the file (first line is 1). -s Work silently, that is, display nothing except error messages. This is useful for checking the error status. -v Print all lines except those that contain the pattern. -x Print only lines matched entirely. -e pattern_list Search for a string in pattern-list (useful when the string begins with a -). -f pattern-file Take the list of patterns from pattern-file. pattern Specify a pattern to be used during the search for input. file A path name of a file to be searched for the patterns. If no file operands are specified, the standard input will be used.


fgrep "support" myfile.txt - Would search for support in the file myfile.txt.