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a - number all lines; t - number lines with printable text only; n - no line numbering; string - number only those lines containing the regular expression defined in the string supplied. The default applied switch is t. nl also supports some command line options.
grep is a command-line utility for searching plaintext datasets for lines that match a regular expression. Its name comes from the ed command g/re/p (global regular expression search and print), which has the same effect.
The number of lines printed may be changed with a command line option. The following example shows the first 20 lines of filename: head -n 20 filename. This displays the first 5 lines of all files starting with foo: head -n 5 foo* Most versions [citation needed] allow omitting n and instead directly specifying the number: -5.
Extraction of line segments can typically be done by bytes (-b), characters (-c), or fields (-f) separated by a delimiter (-d — the tab character by default). A range must be provided in each case which consists of one of N, N-M, N-(N to the end of the line), or -M (beginning of the line to M), where N and M are counted from 1 (there is no ...
The Philadelphia Eagles weren't in top form, but the NFC's No. 2 seed had enough to handle the Green Bay Packers for a wild-card playoff win.
AWK (/ ɔː k / [4]) is a domain-specific language designed for text processing and typically used as a data extraction and reporting tool. Like sed and grep, it is a filter, [4] and it is a standard feature of most Unix-like operating systems.
The town of Lexington halted Ripple Fiber’s installation work after damage to utilities and complaints from residents. Company hit water lines in Lexington, workers accused of using bathroom in ...
The Chiefs QB accidentally hit Rice's knee on an interception return. Patrick Mahomes says he 'felt like s***' after hit that injured Rashee Rice [Video] Skip to main content