05-22-2009
Rearranging columns
Hi,
I have an input file as follows :
input.txt
abcdTXXqwe
axdfSYYrew
dasgTXXqwt
gtfsTYYwer
gadfSXXerw
gwerSYYTXX
Now I have to get four output files.
output1.txt should have the first four cloumns, Where the rows containing 5th column as T and 6th-7th columns as XX
output2.txt should have the first four cloumns, Where the rows containing 5th column as T and 6th-7th columns as YY
output3.txt should have the first four cloumns, Where the rows containing 5th column as S and 6th-7th columns as XX
output4.txt should have the first four cloumns, Where the rows containing 5th column as S and 6th-7th columns as YY
i.e.
output1.txt
abcd
dasg
output2.txt
gtfs
output3.txt
gadf
output4.txt
axdf
gwer
I tried using cut and awk, but its too lengthy.
Is there any better solution?
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LEARN ABOUT FREEBSD
colrm
COLRM(1) BSD General Commands Manual COLRM(1)
NAME
colrm -- remove columns from a file
SYNOPSIS
colrm [start [stop]]
DESCRIPTION
The colrm utility removes selected columns from the lines of a file. A column is defined as a single character in a line. 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 spec-
ified, columns numbered less than the start column or greater than the stop column will be written. Column numbering starts with one, not
zero.
Tab characters increment the column count to the next multiple of eight. Backspace characters decrement the column count by one.
ENVIRONMENT
The LANG, LC_ALL and LC_CTYPE environment variables affect the execution of colrm as described in environ(7).
EXIT STATUS
The colrm utility exits 0 on success, and >0 if an error occurs.
SEE ALSO
awk(1), column(1), cut(1), paste(1)
HISTORY
The colrm command appeared in 3.0BSD.
BSD
August 4, 2004 BSD