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Replace comma by space for specified field in record

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# 1  
Old 04-19-2010
Replace comma by space for specified field in record
Hi,

i want to replace comma by space for specified field in record, i mean i want to replace the commas in the 4th field by space. and rest all is same throught the record.

the record is

Code:
16458,99,001,"RIMOUSKI, QC",418,"N",7,EST,EDT,902
16458,99,002,"CHANDLER, QC",418,"N",5,MST,MDT,616
16458,99,003,"NEWRICHMND, QC",418,"B",7,EST,EDT,702

here i want to replace "RIMOUSKI, QC" by "RIMOUSKI QC" and for all the records of the file in the 4th position.

i can do it for file using
Code:
sed 's/,//g'

but how can i do it only for 4th field ?
Last edited by Franklin52; 04-19-2010 at 06:44 AM.. Reason: Please use code tags!
# 2  
Old 04-19-2010
try this

Code:
sed 's/,/ /4' inputfile

# 3  
Old 04-19-2010
Code:
awk 'BEGIN{FS=OFS="\""}{sub(",",x,$2)}1' file

# 4  
Old 04-19-2010
Code:
sed 's/, / /g' filename

gives
PHP Code:
16458,99,001,"RIMOUSKI QC",418,"N",7,EST,EDT,902
16458,99,002,"CHANDLER QC",418,"N",5,MST,MDT,616
16458,99,003,"NEWRICHMND QC",418,"B",7,EST,EDT,702 
# 5  
Old 04-19-2010
Quote:
Originally Posted by devtakh
Code:
sed 's/, / /g' filename

That assumes there are no fields starting with blanks, that are one or more spaces, etc. I'm thinking the OP wants to remove commas from quoted fields, so this might be safer:

Code:
sed 's/"\([^"]*\),\([^"]*\)"/\1\2/g'

Edit: Ooops. Should have included double-quotes in parenthesis... :-)

Code:
sed 's/\("[^"]*\),\([^"]*"\)/\1\2/g'

js.
Last edited by jsmoriss; 04-19-2010 at 12:12 PM..
# 6  
Old 04-19-2010
Let's simulate:
Code:
# cat file
16458,99,001,"RIMOUSKI, QC",418,"N",7,EST,EDT,902
16458,99,002,"CHANDLER, QC",418,"N, C",5,MST,MDT,616
16458,99,003,"NEWRICHMND QC",418,"B, C",7,EST,EDT,702

# sed 's/,/ /4' file
16458,99,001,"RIMOUSKI  QC",418,"N",7,EST,EDT,902
16458,99,002,"CHANDLER  QC",418,"N, C",5,MST,MDT,616
16458,99,003,"NEWRICHMND QC" 418,"B, C",7,EST,EDT,702

# awk 'BEGIN{FS=OFS="\""}{sub(",",x,$2)}1' file
16458,99,001,"RIMOUSKI QC",418,"N",7,EST,EDT,902
16458,99,002,"CHANDLER QC",418,"N, C",5,MST,MDT,616
16458,99,003,"NEWRICHMND QC",418,"B, C",7,EST,EDT,702

# sed 's/, / /g' file
16458,99,001,"RIMOUSKI QC",418,"N",7,EST,EDT,902
16458,99,002,"CHANDLER QC",418,"N C",5,MST,MDT,616
16458,99,003,"NEWRICHMND QC",418,"B C",7,EST,EDT,702

# sed 's/"\([^"]*\),\([^"]*\)"/\1\2/g' file
16458,99,001,RIMOUSKI QC,418,"N",7,EST,EDT,902
16458,99,002,CHANDLER QC,418,N C,5,MST,MDT,616
16458,99,003,"NEWRICHMND QC,418B, C",7,EST,EDT,702

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