Search file(s) for lines that match a given pattern.
Syntax QGREP [options] [-e string] [-f file] [-i file] [strings] [files] key: -L Search strings literally. -X Treat search strings as regular expressions. -B Match pattern at beginning of line. -E Match pattern at end of line. -y Treat upper and lower-case as equivalent. -x Print lines that match exactly. -l Print only the file name if the file contains a match. -n Print line numbers before each matching line. -O Print seek offset before each matching line. -v Print only lines that do not contain a match. -z Print matching lines in MSC error message format. -e string Treat the next argument as a literal search string. -f file Read search strings from file. -i file Read file list from file. strings Specifies the search string(s). files The file(s) to search, which can include wildcard characters (* and ?)
Find either arg1 or arg2 in FileName:
qgrep "arg1 arg2" FileName
Find arg1 arg2 in FileName:
qgrep -e "arg1 arg2" FileName.
White space separates search strings unless the argument is prefixed with -e.
QGREP "all out" x.y
means find either "all" or "out" in x.y, while
QGREP -e "all out" x.y
means find "all out".
grep is simply an odd concatenation of the phrase "grab regular expression"
FINDSTR - Search for strings in files
Powershell: Where-Object - Filter objects passed along the pipeline.
Equivalent bash command (Linux): grep - Search file(s) for lines that match a given pattern