04-02-2009
If you haven't found it already, the -n option gives the line numbers!
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1. Shell Programming and Scripting
Hi Guys,
I need to set the value of $7 to zero in case $7 is NULL. I've tried the below command but doesn't work. Any ideas. thanks guys.
MEM=`ps v $PPID| grep -i db2 | grep -v grep| awk '{ if ( $7 ~ " " ) { print 0 } else { print $7}}' `
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2. UNIX for Dummies Questions & Answers
Hello,
I looking to use grep to return a string with exactly n matches.
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I'm working on unix with grep (GNU grep) 2.5.1. I'm going through some of the newer regex syntax using Regular Expression Reference - Advanced Syntax a guide.
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Please i need to know the difference between grep, egrep & grep -i when used to serach through a file.
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I have a directory I need to grep which consists of numbered sub directories. The sub directory names change daily. A file resides in this main directory that shows which sub directories are FULL backups or INCREMENTAL backups.
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I have an input file
12.4 1.72849432773174e+01 -7.74784188610632e+01
12.5 9.59432114416327e-01 -7.87018212757537e+01
15.6 5.20139995965960e-01 -5.61612429666624e+01
29.3 3.76696387248366e+00 -7.42896194101892e+01
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"""""
Fundallinfo
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LEARN ABOUT HPUX
ncheck_hfs
ncheck_hfs(1M) ncheck_hfs(1M)
NAME
ncheck_hfs: ncheck - generate a list of path names from inode numbers for a HFS file system
SYNOPSIS
inode-numbers] [special ...]
DESCRIPTION
when invoked without arguments, generates a list of path names corresponding to the inode numbers of all files contained on the HFS file
systems listed in If special is specified, ncheck reports on the special only. Path names generated by are relative to the given special.
Names of directory files are followed by
Options
Allow printing of the names
and which are ordinarily suppressed.
Specify the HFS file system type.
Report only on files whose inode numbers
are specified on the command line, in inode-numbers. inode-numbers is a comma separated list of inode numbers.
Report only on special files
and regular files with set-user-ID mode. The option is intended to discover concealed violations of security policy.
Echo the completed command line, but performs no other action.
The command line is generated by incorporating the user-specified options and other information derived from This
option allows the user to verify the command line.
Report only on files using sector numbers
specified on the command line in sector_ranges. sector_ranges is a comma separated list of sector ranges. A sector
range is a starting sector number and an ending sector number separated by a dash, or just a sector number. The sec-
tor numbers should be in DEV_BSIZE units. If no pathname contains the sector number it will be reported as free or
containing file system structure. Sectors beyond the end of the file system will be reported as illegal.
Access Control Lists
Continuation inodes (that is, inodes containing additional access control list information) are quietly skipped since they do not corre-
spond to any path name.
EXAMPLES
Execute the command on all special in
Execute the command on HFS file system
EXTERNAL INFLUENCES
International Code Set Support
Single- and multi-byte character code sets are supported.
DIAGNOSTICS
When the file system structure is improper, denotes the ``parent'' of a parentless file and a path-name beginning with denotes a loop.
AUTHOR
was developed by AT&T and HP.
FILES
Specifies the default file system type.
Static information about the file systems.
SEE ALSO
acl(5), fsck(1M), fstab(4), fs_wrapper(5), ncheck(1M), sort(1).
STANDARDS CONFORMANCE
ncheck_hfs(1M)