Get the first line from a file

Original Message

Name: Raj81508
Date: December 10, 2007 at 21:06:05 Pacific
Subject: Get the first line from a file
OS: Unix
CPU/Ram: Intel P4, 1 GB Ram

Comment:

Hi All,
I want to get the first line from a file and write it into another file.
Please help. Thanks in advance.
Regards,
Raj

Thanks & Regards,
Raj

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Response Number 1

Name: lankrypt0
Date: December 11, 2007 at 08:01:37 Pacific
Subject: Get the first line from a file

Reply: (edit)

head -1 infile.txt > outfile.txt

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Response Number 2

Name: nails
Date: December 11, 2007 at 22:19:16 Pacific
Subject: Get the first line from a file

Reply: (edit)

If you don't like the 'head' example, there's always sed:
sed q infile.txt > outfile.txt
or awk:
awk ' { if(NR == 1)
{
print $0
break
}
} ' infile.txt > outfile.txt

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Response Number 3

Name: FishMonger
Date: December 12, 2007 at 16:21:44 Pacific
Subject: Get the first line from a file

Reply: (edit)

Or perl
perl -pe "last if $. == 2" input.txt > output.txt

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