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Shell Programming and Scripting
Putting together substrings if pattern is matched
Post 302892665 by Scrutinizer on Friday 14th of March 2014 03:41:48 AM
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In a file a pattern is occured many times randomly. Even it may appear more then once in the same line too. How i can get the number of times that pattern appeared in the file? let the file name is abc.txt and the pattern is "xyz".
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Hello,
Actually i want to replace the word after a matched pattern.
For Ex:
lets say that i am reading a file line by line
while read line
do
echo $line
# i need to search whether a pattern exists in the file and replace the word after if the pattern exist.
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Hi,
If there exist multiple pattern in a file, how can I find the last record matching the pattern through perl.
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Hi,
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Hello every,
I am stuck in a problem. I have file like this. I want to add the fifth field of the match pattern line above the lines starting with "# @D". The delimiter is "|"
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>
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Hi,
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Hi,
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LEARN ABOUT SUNOS
labelit_ufs
labelit_ufs(1M) System Administration Commands labelit_ufs(1M) NAME
labelit_ufs - provide and print labels for ufs file systems SYNOPSIS
labelit -F ufs [generic_options] special [ fsname volume] DESCRIPTION
labelit is used to write labels on unmounted disk file systems. Such labels may be used to uniquely identify volumes and are used by vol- ume-oriented programs such as volcopy(1M). OPTIONS
The following option is supported: generic_options options supported by the generic labelit command. See labelit(1M). OPERANDS
The following operands are supported: special name should be the physical disk section (for example, /dev/dsk/c0d0s6). The device may not be on a remote machine. fsname represents the mount point (for example, root, u1, and so on) of the file system. volume may be used to represent the physical volume name. If fsname and volume are not specified, labelit prints the current values of these labels. Both fsname and volume are limited to six or fewer characters. EXIT STATUS
The following exit values are returned: 0 Write or display of labels was successful. non-zero An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
labelit(1M), volcopy(1M), attributes(5), ufs(7FS) SunOS 5.10 15 Apr 2003 labelit_ufs(1M)