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Full Discussion: Split the all files in to 8 parts in a folder
Top Forums UNIX for Beginners Questions & Answers Split the all files in to 8 parts in a folder Post 303040866 by Raghuram717 on Friday 8th of November 2019 04:00:48 AM
Old 11-08-2019
Split the all files in to 8 parts in a folder
Hi,

I have different files and i need to split the files in that folder split in to 8 parts with equal number of lines....!
any fastest way of doing this in awk.

for an example i have a file called "BillingDetails_BaseFile.csv" with total line count 65536 and i need to split in to 8 parts with each file having 8192 (8192*8=65536). if 65538,last two lines can be ignored. i had a logic for this but its taking long time for this.
any fastest way in awk is appreciated.

my code:
Code:
cd /tmp/data/
linecount=$(wc -l BillingDetails_BaseFile.csv|cut -d" " -f1)
echo "linecount=$linecount"
b=$(expr  ${linecount} / ${Split_Count} )
echo "spliting lines per file will be ${b}"
split -l${b} -d BillingDetails_BaseFile.csv BillingDetails_
chmod 777 *

c=$(expr  ${Split_Count} - 1  )
for (( i=${c}; i>=0; i-- ))
do
  a=$({ printf "%02d\n" $i ; })
  b=$(expr  ${i} + 1  )
  b=$({ printf "%02d\n" $b ; })
  mv BillingDetails_$a BillingDetails_$b
done

any fastest way just specifying the folder name it should go each file and look for line count and split the 8 parts with equal number of lines.
Any help in awk is appreciated.
 

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LEARN ABOUT OSF1

rmf

rmf(1)							      General Commands Manual							    rmf(1)

NAME

       rmf - remove folder (only available within the message handling system, mh)

SYNOPSIS

       rmf [+folder] [-help] [-[no]interactive]

OPTIONS

       Prints  a  list of the valid options to this command.  Asks for confirmation before deleting a folder. By default, rmf deletes a folder and
       its messages without asking for confirmation.  If you specify the -interactive option, rmf asks if you are sure before deleting the folder.
       You are advised to use this option, since when rmf deletes a folder its contents are lost irretrievably.

DESCRIPTION

       The  rmf  command  removes all of the messages within the current folder, and then removes the folder itself. If there are any files within
       the folder which are not part of MH, they are not removed, and an error message is displayed.

       You can specify a folder other than the current folder by using the +folder argument. If you do not specify a folder, and rmf  cannot  find
       the current folder,rmf asks you whether you want to delete +inbox instead.

       If the current folder is removed, it makes +inbox current.

       Note that the rmf command irreversibly deletes messages that do not have other links, so use it with caution.

       If  the	folder	being removed is a sub-folder, the parent folder becomes the new current folder, and rmf tells you that this has happened.
       This provides an easy mechanism for selecting a set of messages, operating on the list, then removing the list and returning to the current
       folder from which the list was extracted.

       Using  rmf  to  delete a read-only folder deletes the private sequence and current message information from the file, without affecting the
       folder itself. If you have sub-folders within a folder, you must delete all the sub-folders before you can delete the folder itself.

PROFILE COMPONENTS

       Path: To determine the user's Mail directory

EXAMPLES

       This example shows how rmf asks for confirmation when the -interactive option is used: % rmf -interactive +test Remove folder "test"? y

FILES

       The user profile.

SEE ALSO

       rmm(1)

																	    rmf(1)
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