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Shell Programming and Scripting
File manipulation with awk
Post 302133043 by dhams on Tuesday 21st of August 2007 05:11:10 PM
08-21-2007
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Hi ,
what a wonderful command but so hard to maintain !
i have a file like that :
03/07/2006 05:58:45
03/07/2006 06:58:45
03/07/2006 07:58:50
03/07/2006 08:58:50
and i want to read it and keep only the lines with 3rd field less than 07:00:00
writing it in a second file !
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Hi All,
I have a file having content,
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20060620 142 62310 959400 A 5.00
20060620 142 62310 959400 B 3.00
20060620 143 62310 959401 A 7.00
20060620 143 62310 959401 B 4.00
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OK, so if $0 represent the entire record... can I change $2 and will that be reflected back in $0?
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Hello
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I have got a sample file below(colon(:) is the field separator) . The data is like
col1:col2:col3:col4:col5:col6:col7:col8:col9:col10
11:12:012:aa:a a a:10::111:12:
311:321:320:caad::321:31:3333::
2:22:222::bbb::cads::2222:20
:::::12:1234::12:
:5:55::555:5555::::55550
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Hi ,
I have a simple text file with contents as below:
12345678900 971,76 4234560890
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Hallo Family,
I have csv file which has over a million records in it. All i want to do is to change field 2 to have the same value as field 10.
sample file:Now
0860093239,Anonymous,unconditional,+27381230283,Anonymous,unconditional,y,public,,2965511477:0A
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hello
I have example file
AA 11
BB 22
CC 33
And what I expect to have
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LEARN ABOUT DEBIAN
mfi
MFI(4) BSD Kernel Interfaces Manual MFI(4) NAME
mfi -- LSI MegaRAID SAS driver SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device pci device mfi Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): mfi_load="YES" DESCRIPTION
This driver is for LSI's next generation PCI Express SAS RAID controllers. Access to RAID arrays (logical disks) from this driver is pro- vided via /dev/mfid? device nodes. A simple management interface is also provided on a per-controller basis via the /dev/mfi? device node. The mfi name is derived from the phrase "MegaRAID Firmware Interface", which is substantially different than the old "MegaRAID" interface and thus requires a new driver. Older SCSI and SATA MegaRAID cards are supported by amr(4) and will not work with this driver. Two sysctls are provided to tune the mfi driver's behavior when a request is made to remove a mounted volume. By default the driver will disallow any requests to remove a mounted volume. If the sysctl dev.mfi.%d.delete_busy_volumes is set to 1, then the driver will allow mounted volumes to be removed. HARDWARE
The mfi driver supports the following hardware: o LSI MegaRAID SAS 1078 o LSI MegaRAID SAS 8408E o LSI MegaRAID SAS 8480E o LSI MegaRAID SAS 9260 o Dell PERC5 o Dell PERC6 o IBM ServeRAID M5015 SAS/SATA o IBM ServeRAID-MR10i o Intel RAID Controller SROMBSAS18E FILES
/dev/mfid? array/logical disk interface /dev/mfi? management interface DIAGNOSTICS
mfid%d: Unable to delete busy device An attempt was made to remove a mounted volume. SEE ALSO
amr(4), pci(4), mfiutil(8) HISTORY
The mfi driver first appeared in FreeBSD 6.1. AUTHORS
The mfi driver and this manual page were written by Scott Long <scottl@FreeBSD.org>. BUGS
The driver does not support big-endian architectures at this time. BSD
May 12, 2010 BSD