AWK(1) - General Commands Manual # AWK(1) - General Commands Manual
NAME # awk - pattern-directed scanning and processing language
SYNOPSIS # awk [-safe] [-V] [-d[n]] [-F fs | –csv] [-v var=value] [prog | -f progfile] file …
DESCRIPTION # awk scans each input file for lines that match any of a set of patterns specified literally in prog or in one or more files specified as -f progfile. With each pattern there can be an associated action that will be performed when a line of a file matches the pattern.
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COLRM(1) - General Commands Manual # COLRM(1) - General Commands Manual
NAME # colrm - remove columns from a file
SYNOPSIS # colrm [start [stop]]
DESCRIPTION # colrm removes selected columns from the lines of a file. Input is read from the standard input. Output is written to the standard output.
If only the start column is specified, columns numbered less than the start column will be written. If both start and stop columns are specified, columns numbered less than the start column or greater than the stop column will be written.
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CUT(1) - General Commands Manual # CUT(1) - General Commands Manual
NAME # cut - select portions of each line of a file
SYNOPSIS # cut -b list [-n] [file …]
cut -c list [file …]
cut -f list [-s] [-d delim] [file …]
DESCRIPTION # The cut utility selects portions of each line (as specified by list) from each file and writes them to the standard output. If no file arguments are specified, or a file argument is a single dash (’-’), cut reads from the standard input.
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HEAD(1) - General Commands Manual # HEAD(1) - General Commands Manual
NAME # head - display first few lines of files
SYNOPSIS # head [-‌count | -n count] [file …]
DESCRIPTION # The head utility copies the first count lines of each specified file to the standard output. If no files are named, head copies lines from the standard input. If count is omitted, it defaults to 10.
The options are as follows:
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PASTE(1) - General Commands Manual # PASTE(1) - General Commands Manual
NAME # paste - merge corresponding or subsequent lines of files
SYNOPSIS # paste [-s] [-d list] file …
DESCRIPTION # The paste utility concatenates the corresponding lines of the given input files, replacing all but the last file’s newline characters with a single tab character, and writes the resulting lines to standard output. If end-of-file is reached on an input file while other input files still contain data, the file is treated as if it were an endless source of empty lines.
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REV(1) - General Commands Manual # REV(1) - General Commands Manual
NAME # rev - reverse lines of a file
SYNOPSIS # rev [file …]
DESCRIPTION # The rev utility copies the specified files to the standard output, reversing the order of characters in every line. If no files are specified, the standard input is read.
ENVIRONMENT # LC_CTYPE
The character encoding locale(1). It decides which byte sequences form characters.
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