03-09-2014
So, you want the user to enter the ID and then based on the ID display the particulars and cost? Or user will chose to enter what he/she wants?
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1. UNIX for Dummies Questions & Answers
Is it possible to search through a large file full of rows and columns of text and retrieve only the rows that contain duplicates fields,
searchiing for duplicates on col4 & col6
Sample below
Col1 col2 col3 col4 col5 col6
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hi
i need to select a few columns of two txt files and write it to a new file. there is one common field for both of these files.
plz help me in this
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Hi Frnz
Please help me out.
I have two text files.
A.txt
one
two
three
four
B.txt
Jan
Feb
Mar
Apr
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Currently I am stuck on my program for my if statement, as I do not no how to get a specific collumn of text to check against my variable.
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Hi,
I have two text files that I would like to merge/join. I would like to join them if the first columns of both text files match and the second column of the first text file matches the third column of the second text file.
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some text
some text
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Hi
i have 2 files
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XX,ZZ,XC,EE,RR,BB
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XX,ZZ,XC,EE,RR,BB,OK
result
XX,ZZ,XC,EE,RR,BB OK
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from(1) General Commands Manual from(1)
NAME
from - Shows whom mail messages are from
SYNOPSIS
from [-s sender] [user]
The from command prints out the mail header lines in your mailbox file.
OPTIONS
Prints headers for mail sent by sender. Specifies a mail spool directory.
Use this flag if you want to examine a mailbox in a directory other than /usr/spool/mail, which is the system default.
DESCRIPTION
If user is specified, then user's mailbox is examined instead of your own.
EXAMPLES
To display the message headings in your mailbox, enter: from
The names of the senders and the message dates are displayed. To display the message headings for mail sent by a specific user,
enter: from -s dale
Displays only the message headings of the messages sent from user dale. To display the message headings in a specific user's mail-
box, enter: from dawn
The message headings from user dawn's mailbox are displayed, provided you have read permission for dawn's mailbox.
FILES
User mailbox files.
SEE ALSO
Commands: biff(1), mail(1), mailx(1)
from(1)