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Top Forums UNIX for Beginners Questions & Answers Transpose rows to certain columns Post 303030382 by RudiC on Friday 8th of February 2019 02:44:13 PM
Old 02-08-2019
Adapted this proposal published umpteen times in these fora to the requestor's sample



Code:
awk -F":"       '
BEGIN           {print HD = "Box Name,Weight,Length,Depth,Color"
                 for (MX=n=split (HD, HDArr, ","); n; n--) SRCH[HDArr[n]]
                }
NR > 1 &&
$0 ~ HDArr[1]   {for (i=1; i<=MX; i++) printf "%s%s", RES[HDArr[i]], (i == MX)?ORS:OFS
                 delete RES
                }

                {gsub (/ *: */, ":")
                }

$1 in SRCH      {RES[$1] = $2
                }

END             {for (i=1; i<=MX; i++) printf "%s%s", RES[HDArr[i]], (i == MX)?ORS:OFS
                }

' OFS="," file
Box Name,Weight,Length,Depth,Color
BoxA,1,2,3,red
BoxB,3,4,,Yellow
BoxC,5,6,7,
BoxD,8,9,,

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COLUMN(1)						    BSD General Commands Manual 						 COLUMN(1)

NAME
column -- columnate lists SYNOPSIS
column [-tx] [-c columns] [-s sep] [file ...] DESCRIPTION
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken from file operands, or, by default, from the standard input. Empty lines are ignored. The options are as follows: -c Output is formatted for a display columns wide. -s Specify a set of characters to be used to delimit columns for the -t option. -t Determine the number of columns the input contains and create a table. Columns are delimited with whitespace, by default, or with the characters supplied using the -s option. Useful for pretty-printing displays. -x Fill columns before filling rows. column exits 0 on success, >0 if an error occurred. ENVIRONMENT
COLUMNS The environment variable COLUMNS is used to determine the size of the screen if no other information is available. EXAMPLES
(echo "PERM LINKS OWNER GROUP SIZE MONTH DAY HH:MM/YEAR NAME"; ls -l | sed 1d) | column -t SEE ALSO
colrm(1), ls(1), paste(1), sort(1) HISTORY
The column command appeared in 4.3BSD-Reno. BSD
March 9, 2008 BSD
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