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UNIX for Dummies Questions & Answers
assigning variables
Post 75237 by k@ssidy on Thursday 16th of June 2005 10:02:53 AM
06-16-2005
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I need to assign a variable within a variable in a sed command.
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Is there any way to assign defaults values to the shell variables without reassigning them ( restarting the session)
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Hi GUYS,
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Hi,
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Hi All,
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Hi Gurus,
I have a file named log with 2 lines
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tuesday
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Hi! This might be a simple thing, but I'm struggling to assign values to variables from the file.
I've the following values stored in the file.. It consists of only two rows..
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20
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i have variables RECIPIENTS_DEVL,RECIPIENTS_UACC,RECIPIENTS_PROD
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*) WMD_UPHASE4=DEVL;;
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Hi,
Can the below be clarified please. i just want to know what is the difference between the two ways of assigning variables as mentioned below.
export SRC_TBL=${SRC_TBL-"MMA_COPAY_PLN_FACT_STG"}
export SRC_TBL="MMA_COPAY_PLN_FACT_STG"
thanks in advance :)
Arun (1 Reply)
Discussion started by: Arun Mishra
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LEARN ABOUT MINIX
grep
GREP(1) General Commands Manual GREP(1) NAME
grep - search a file for lines containing a given pattern SYNOPSIS
grep [-elnsv] pattern [file] ... OPTIONS
-e -e pattern is the same as pattern -c Print a count of lines matched -i Ignore case -l Print file names, no lines -n Print line numbers -s Status only, no printed output -v Select lines that do not match EXAMPLES
grep mouse file # Find lines in file containing mouse grep [0-9] file # Print lines containing a digit DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1 occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is returned. SEE ALSO
cgrep(1), fgrep(1), sed(1), awk(9). GREP(1)