01-29-2010
Delete a line in a file starting with - Perl one-liner
Hi
I need a perl onliner to delete a line in a file starting with few words.
Example
file.txt
----------
my name is don
I live in London
I am woking as engineer
I want to delete a line starting with 'I live in' using perl oneliner and in place edit with out temporary files
Thanks in advance
Ammu
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LEARN ABOUT DEBIAN
mic-chroot
MIC-CHROOT(1) General Commands Manual MIC-CHROOT(1)
NAME
mc-chroot - chroot into a live image in order to do some changes
SYNOPSIS
mic-chroot [options] <image|image fs>
<image> is a live image file name, <image fs> is a directory path which
contains the whole file system unpacked from a live image.
DESCRIPTION
mic-chroot can chroot into a live image to do some changes, you can use it to unpack a live image then do some changes, once changes are
done, you can regenerate a live image including those changes you did.
mic-image-manager has a GUI tool for mic-chroot, you can use it if you prefer to use GUI instead of command line.
OPTIONS
--version show version number
-h, --help show this help message
-s SAVETO, --save-to=SAVETO Save unpacked filesystem to the specified path
--unpack-only Just unpack an image, this is used tounpack an image with -s option together
-b BINDMOUNTS, --bind-mounts=BINDMOUNTS Specify bind mount list, for example: -b "/proc:/proc;/:/parentroot"
-c CONVERTTO, --convert-to=CONVERTTO Convert it to the specified type live image on exiting, the allowed value is livecd or liveusb
--convert-only Just convert an image, this will skip chroot and directly convert an image/filesytem with -c option together
-o OUTDIR, --outdir=OUTDIR Output directory to use (default: current work dir)
EXAMPLES
Unpack an image to a directory and chroot into it:
mic-chroot -s /my/fs/root
EXIT STATUS
mic-image-convertor returns a zero exist status if it succeeds, otherwise return non-zero and print error message.
AUTHOR
Yi Yang, Anas Nashif, Jianfeng Ding
SEE ALSO
mic-image-creator(1), mic-convertor(1), mic-image-writer(1), mic-livecd-iso-to-disk(1), mic-image-manager(1)
perl v5.12.3 2011-05-31 MIC-CHROOT(1)