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Shell Programming and Scripting
Putting together substrings if pattern is matched
Post 302892681 by Scrutinizer on Friday 14th of March 2014 04:52:14 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".
I used the following code:
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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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Hi I want to print the line until pattern is matched.
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LEARN ABOUT DEBIAN
sup-tweak-labels
SUP-TWEAK-LABELS(1) General Commands Manual SUP-TWEAK-LABELS(1) NAME
sup-tweak-labels - batch modification of message state already in index SYNOPSIS
sup-tweak-labels [options] source ... DESCRIPTION
Batch modification of message state for messages already in the index. Supported source URI schemes can be seen by running "sup-add --help". OPTIONS
--add, -a labels One or more labels (comma-separated) to add to every message from the specified sources (default: ) --remove, -r labels One or more labels (comma-separated) to remove from every message from the specified sources, if those labels are present (default: ) --query, -q query A Sup search query OTHER OPTIONS
--verbose, -v Print message ids as they're processed --very-verbose, -e Print message names and subjects as they're processed --all-sources Scan over all sources --dry-run, -n Don't actually modify the index. Probably only useful with --verbose --version Show version information --help, -h Show help message SEE ALSO
sup-mail(1), sup-add(1) AUTHOR
Sup was written by William Morgan <wmorgan-sup@masanjin.net>. This manual page was written by Per Andersson <avtobiff@gmail.com> for the Debian project (but may be used by others). April 9, 2012 SUP-TWEAK-LABELS(1)