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Homework and Emergencies Homework & Coursework Questions Description of OR AND Operator Post 302950313 by arun888 on Thursday 23rd of July 2015 09:46:32 AM
Old 07-23-2015
Description of OR AND Operator

From the below i would need the difference using between && and ||
Code:
 

error_func()
{
        # Standard error function
        [[ -n $* ]] && print -u2 "ERROR: $*"
        exit 1
}

 [[ -z ${TMPDIR} ]] && error_func "Source Directory is missing as input argument"
  [[ -d ${TMPDIR} ]] || error_func "Source Directory does not exists"

i would like to differnce between && ||




needed description



4. mce, pudhukotai, india



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MIC-IMAGE-CONVERTOR(1)					      General Commands Manual					    MIC-IMAGE-CONVERTOR(1)

NAME
mic-image-convertor - Convert a virtual machine image to a live image SYNOPSIS
mic-image-convertor [options] DESCRIPTION
mic-image-convertor can convert a virtual machine image to a live image, this is specially for developers, they will use VMWare player or KVM or VirtualBox to run this image and do some changes in place, then they convert this changed image to a live image to run in a real device. mic-image-manager has a GUI tool for mic-image-convertor, you can use it if you prefer to use GUI instead of command line. General OPTIONS --version show version number and exit -h, --help show this help message and exit -F SRCFORMAT, --source-format=SRCFORMAT Source image format, possible values are: raw, vmdk or vdi (default: automatically detect image type). -I SRCIMG, --source-image=SRCIMG Source image which was created by mic-image-creator or an image file system. -T DSTFORMAT, --target-format=DSTFORMAT Target image format, possible values are: livecd and liveusb -t TMPDIR, --tmpdir=TMPDIR Temporary directory to use (default: /var/tmp) -o OUTDIR, --outdir=OUTDIR Output directory to use (default: current work dir) -S SUFFIX, --suffix=SUFFIX Image name suffix (default: date stamp) OPTIONS For Live USB -i, --interactive Directly write into a USB disk. --fstype=FSTYPE File system type for live USB image, ext3 or vfat, the default is vfat. --overlay-size-mb=OVERLAYSIZEMB Overlay size in MB as unit, it means how size changes you can save in your live USB disk. Debug OPTIONS -d, --debug Output debugging information -v, --verbose Output verbose progress information --logfile=FILE Save debug information to FILE EXAMPLES
Convert a VMWare image to a live CD image: mic-image-convertor -I your-vmware-image.vmdk -T liveusb 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-chroot(1), mic-image-writer(1), mic-livecd-iso-to-disk(1), mic-image-manager(1) perl v5.12.3 2011-05-31 MIC-IMAGE-CONVERTOR(1)
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