1) Yes
2) How do you want to convey the target path to the script? In case you want to use the source files' path, and this is constant, to place the hd*.txt files next to the sources, try (in the END section)
assuming the FILENAME variable is still defined and valid in that section.
Else you can use awk's -v mechanism to supply the path.
hi.i want to create a bash script called countfiles.sh, that will count the pack of files under the current file that their term satisfy a specific pattern. The script must show the total per file or on the whole.
thank tou (4 Replies)
Hey guy,
how to make bash script to create foo.txt file and add current date into file content and that file always append.
example: today the script run and add today date into content foo.txt
and tomorrow the script will run and add tomorrow date in content foo.txt without remove today... (3 Replies)
hi all
I am new to unix and want to create a loop to repeat the loop and before that it ask me to do so.I know "while" may help but I put it in my work and getting stuk with it.any help appreciated. (13 Replies)
Hi ,
please guide me for a bash script that will create a txt files and the name of the txt files will be as of timestamp so that each file name will be different from other and these files will be get created say after every 10 minutes in a folder(/home/p2000/sxs137), please guide me how would... (1 Reply)
Hi Guys,
I have file A.txt
File A Data
AK1521
AK2536
AK3164
I want create text file of all data above and write some data on each file.
want Output on below folder
/home/kka/out
AK1521.txt
Hi
Welocme (3 Replies)
My Calling script is like below:
for file in `echo $LIST_OF_FILES` --listing filenames eg, xyz_meta_20110501_00000789.tar
do
file_name=`basename $file`
<call a function to create .txt file in below format>
done
Want to generate a .txt file that contains below data in ksh:
... (3 Replies)
Hi,
I need to create a .csv file from information that i have in two different tab delimited .txt file. I just want to select some of the columns of each .txt file and paste them into a .cvs file.
My files look like:
File 1
transcript_id Seq. Description Seq. Length ... (2 Replies)
I have created one file that contains all the necessary info in it to create a download link. In each of the lines /results/analysis/output/Home/Auto_user_S5-00580-6-Medexome_67_032/plugin_out/FileExporter_out.67... (8 Replies)
I have a txt file with a list of error messages in a xml tag format, and each error message is separated with a identifier(endresult).Need to split that and copy and create a new html file.Error message has some special character. how to escape the special character and insert my data into the... (7 Replies)
Discussion started by: DevAakash
7 Replies
LEARN ABOUT CENTOS
losetup
LOSETUP(8) System Administration LOSETUP(8)NAME
losetup - set up and control loop devices
SYNOPSIS
Get info:
losetup loopdev
losetup -l [-a]
losetup -j file [-o offset]
Delete loop:
losetup -d loopdev...
Delete all used loop devices:
losetup -D
Print name of first unused loop device:
losetup -f
Setup loop device:
losetup [-o offset] [--sizelimit size]
[-p pfd] [-rP] {-f[--show]|loopdev} file
Resize loop device:
losetup -c loopdev
DESCRIPTION
losetup is used to associate loop devices with regular files or block devices, to detach loop devices and to query the status of a loop
device. If only the loopdev argument is given, the status of the corresponding loop device is shown.
Note that the old output format (e.g. losetup -a) with comma delimited strings is deprecated in favour of the --list output format (e.g.
losetup -a -l).
OPTIONS
+The size and offset arguments may be followed by the multiplicative +suffixes KiB=1024, MiB=1024*1024, and so on for GiB, TiB, PiB, EiB,
ZiB and YiB +(the "iB" is optional, e.g. "K" has the same meaning as "KiB") or the suffixes +KB=1000, MB=1000*1000, and so on for GB, TB,
PB, EB, ZB and YB.
-a, --all
show status of all loop devices. Note that not all information are accessible for non-root users. See also --list. The old output
format (as printed without --list) is deprecated.
-c, --set-capacity loopdev
force loop driver to reread size of the file associated with the specified loop device
-d, --detach loopdev...
detach the file or device associated with the specified loop device(s)
-D, --detach-all
detach all associated loop devices
-f, --find
find the first unused loop device. If a file argument is present, use this device. Otherwise, print its name
-h, --help
print help
-j, --associated file
show status of all loop devices associated with given file
-l, --list
if a loop device or the -a option is specified, print default columns for either the specified loop device or all loop devices,
default is to print info about all devices.
-o, --offset offset
the data start is moved offset bytes into the specified file or device
-O, --output columns
specify which columns are to be printed for the --list output
--sizelimit size
the data end is set to no more than size bytes after the data start
-P, --partscan
force kernel to scan partition table on newly created loop device
-r, --read-only
setup read-only loop device
--show print device name if the -f option and a file argument are present.
-v, --verbose
verbose mode
ENCRYPTION
Cryptoloop is no longer supported in favor of dm-crypt. For more details see cryptsetup(8).
RETURN VALUE
losetup returns 0 on success, nonzero on failure. When losetup displays the status of a loop device, it returns 1 if the device is not con-
figured and 2 if an error occurred which prevented from determining the status of the device.
FILES
/dev/loop[0..N]
loop block devices
/dev/loop-cotrol
loop control device
EXAMPLE
The following commands can be used as an example of using the loop device.
# dd if=/dev/zero of=~/file.img bs=1MiB count=10
# losetup --find --show ~/file.img
/dev/loop0
# mkfs -t ext2 /dev/loop0
# mount /dev/loop0 /mnt
...
# umount /dev/loop0
# losetup --detach /dev/loop0
AUTHORS
Karel Zak <kzak@redhat.com>, based on original version from Theodore Ts'o <tytso@athena.mit.edu>
AVAILABILITY
The losetup command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.
util-linux July 2003 LOSETUP(8)