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Shell Programming and Scripting
reading comma separated data and reorder
Post 302511692 by kurumi on Thursday 7th of April 2011 10:33:01 AM
04-07-2011
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I have a situation where I am reading a text file line-by-line. Those lines of data contain comma separated fields of data. However, each line can vary in the number of fields it can contain. What I need to do is parse apart each line and write each field of data found (left to right) into a file.... (7 Replies)
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Hi all,
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Hello there,
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Hi,
I have a large number of files which are written as csv (comma-separated values).
Does anyone know of simple sed/awk command do achieve this?
Thanks!
---------- Post updated at 10:59 AM ---------- Previous update was at 10:54 AM ----------
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Hi Experts,
Please support
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In Linux you can do this to put comma separated data on its own line like this.
sed 's/ */&\n/g' /tmp/ports
sed 's/ */\n/g' /tmp/ports
How do you do this in AIX? It is not working. Is there another way to do this? Something like this.
1, 2, 3, 4
To look like this.
1
2
3
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LEARN ABOUT OSF1
group
group(4) Kernel Interfaces Manual group(4) NAME
group - Group file DESCRIPTION
The /etc/group database contains the following information for each group: Group name Encrypted password Numerical group ID A comma-sepa- rated list of all users allowed in the group Note: Do not put any spaces between a comma and a username; otherwise, the username following the comma will not be made a part of the desired group. The /etc/group file is an ASCII file, with the fields separated by colons. Each group is separated from the next by a new line. If the password field is null, no password is demanded. Because of the encrypted passwords, it can and does have general read permission and can be used, for example, to map numerical group IDs to names. Note that commands or scripts used for adding users to groups are subject to the 225 character limit on line lengths. However, you can split lines as appropriate. RESTRICTIONS
Increasing the number of groups that a user is in beyond 16 can affect services that use ONC RPC. Tru64 UNIX ONC RPC supports up to 32 groups for compatibility with ULTRIX Version 4.2 and higher. Other vendors may support only 16 groups. ULTRIX versions before 4.2 support up to 8 groups. Users who increase their group membership beyond 8 or 16 groups will not be able to NFS mount file systems from servers that only support 8 or 16 groups over NFS. In addition, if root group membership is increased beyond 8 or 16, the NIS service will not work in a mixed NIS server environment where the servers support only 8 or 16 groups. The addgroup command limits the length of a group name to eight characters or less. FILES
/etc/group RELATED INFORMATION
Commands: addgroup(8), groupadd(8), adduser(8), groups(1), passwd(1) Functions: setgroups(2) Routines: initgroups(3) Files: passwd(4) delim off group(4)