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Full Discussion: Awk,sed : change every 2nd field ":" to "|"
Top Forums Shell Programming and Scripting Awk,sed : change every 2nd field ":" to "|" Post 302824887 by rveri on Friday 21st of June 2013 08:05:57 PM
Old 06-21-2013
Awk,sed : change every 2nd field ":" to "|"
Hi Experts,
I have a string with colon delimited, want 2nd colon to be changed to a pipe.

Code:
data:
101:8:43:4:72:14:41:69:85:3:137:4:3:0:4:0:9:3:0:3:12:3:


I am trying with sed, but can change only 1 occurance:
Code:
echo "101:8:43:4:72:14:41:69:85:3:137:4:3:0:4:0:9:3:0:3:12:3:" | sed 's/:/|/2'
101:8|43:4:72:14:41:69:85:3:137:4:3:0:4:0:9:3:0:3:12:3:



Want this for every 2nd ":" occurance to be changed to "|"

The desired output should be:
Code:
101:8|43:4|72:14|41:69|85:3|137:4|3:0|4:0|9:3|0:3|12:3|


Thanks,

---------- Post updated at 08:05 PM ---------- Previous update was at 07:42 PM ----------

I got it now with sed :

1. made a script file for sed.
Code:
cat script
s/:/|/2
s/:/|/3
s/:/|/4
s/:/|/5
s/:/|/6
s/:/|/7
s/:/|/8
s/:/|/9
s/:/|/10
s/:/|/11
s/:/|/12



2. executed the script: Got desired output.
Code:
$ awk -f script data
101:8|43:4|72:14|41:69|85:3|137:4|3:0|4:0|9:3|0:3|12:3|

 

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LEARN ABOUT DEBIAN

csv2mipe

CSV2MIPE(1)						User Contributed Perl Documentation					       CSV2MIPE(1)

NAME

       csv2mipe.pl - Generates MIPE file based on 3 tab-delimited files
	 based on MIPE version v1.1
	 arguments: * tab-delimited file with PCR-level data
		    * tab-delimited file with SNP-level data
		    * tab-delimited file with assay-level data

	 Columns in file with PCR-level data:
	   pcr_id
	   pcr_modified (might be multiple, divided by semi-colon ";")
	   pcr_project (might be multiple, divided by semi-colon ";")
	   pcr_researcher (might be multiple, divided by semi-colon ";")
	   pcr_species
	   source_type
	   source_id
	   design_seq
	   primer1_oligo
	   primer1_seq
	   primer1_tm
	   primer2_oligo
	   primer2_seq
	   primer2_tm
	   design_remark (might be multiple, divided by semi-colon ";")
	   use_seq
	   use_revcomp
	   use_remark (might be multiple, divided by semi-colon ";")
	   pcr_remark (might be multiple, divided by semi-colon ";")

	 Columns in file with SNP-level data:
	   pcr_id
	   snp_id
	   snp_pos
	   snp_amb
	   snp_remark (might be multiple, divided by semi-colon ";")

	 Columns in file with assay-level data:
	   pcr_id
	   snp_id
	   assay_id
	   assay_type
	   assay_enzyme
	   assay_oligo
	   assay_specific
	   assay_tail
	   assay_strand
	   assay_remark (might be multiple, divided by semi-colon ";")

SYNOPSIS

       csv2mipe.pl <pcr_file.csv> <snp_file.csv> <assay_file.csv>

ADDITIONAL INFO

       See http://mipe.sourceforge.net

AUTHOR

       Jan Aerts (jan.aerts@bbsrc.ac.uk)

perl v5.14.2							    2005-07-20							       CSV2MIPE(1)
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