.TH PRINT-COLUMNS 1 2023-02-05 NCBI "NCBI Entrez Direct User's Manual" .SH NAME print\-columns \- transform lines of a tab\-delimited table .SH SYNOPSIS .B print\-columns \fIexpr\fP[\|\fB,\fP\fIexpr...\fP\|] .SH DESCRIPTION \fBprint\-columns\fP reads a tab\-delimited table from standard input and writes to standard output the result of evaluating the specified \fBawk\fP(1) expression(s) on each row. .SH NOTE Callers will typically want to surround the expressions by single quotes to protect them from shell expansion. .SH SEE ALSO .BR awk (1), .BR filter\-columns (1), .BR reorder\-columns (1), .BR sort\-table (1), .BR transmute (1), .BR uniq\-table (1), .BR xtract (1).