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# 1  
Old 04-29-2008
exclude multiple records

I need to exclude multiple records in file .Using grep -v ,can exclude that record
Ex: If want to exclude 0012777201,0012777202
use grep two times .Is there any command to achive this through single command ?( cann't use grep multiple times if need to exclude multiple records in husge file)

grep -v 0012777201 a.txt >a1.txt

grep -v 0012777202 a1.txt >a2.txt


# 2  
Old 04-29-2008

You can overcome it by using doubt quotes, as follows.

grep -v "00127772*" a.txt >a1.txt

# 3  
Old 04-29-2008
try egrep.
it can eat regular expressions
for your case:
egrep -v "001277720[12]" a.txt
egrep -v "00127772011|00127772012" a.txt
# 4  
Old 04-29-2008
Cut a string

Hi All,

i have a requirement to exclude .csv from a file
I used cut -d ".csv",but its not working.
Can you please help
# 5  
Old 04-29-2008

Its working,Thanks for your reply

# 6  
Old 04-29-2008
but the most correct way is not using grep here. Because it potentially can match value from other fields.
Here is an awk solution:
awk '$3!=0012777201 && $3!=0012777202; BEGIN {FS="|"}' 1.txt

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