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Shell Programming and Scripting
HELP: If Doesn't Work in AWK
Post 302451409 by rdcwayx on Monday 6th of September 2010 09:48:02 PM
09-06-2010
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cat .servers | while read LINE; do
ssh jason@$LINE $1
done
exit 1
./command.ksh "ls -l ~jason"
Why does this ONLY iterate on the first server in the list? It's not doing the command on all the servers in the list, what am I missing?
Thanks!
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Howdie everyone...
I have a shell script RemoveFiles.sh
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Hi. I've been playing around a bit. This isn't for any practical purpose-- it's really just a theoretical exercise. I wrote this little thing:
foreach num ( 6 5 4 )
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If there exists a field in stdin, print it, otherwise, print hello.....
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Does anyone know how will I make awk's split work with empty or null separator/delimiter?
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I need output like:
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So, I have a files with entries in this format:
servername,username,sub_username,useless_datapoint,mail_size
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find . -name "05_scripts" -type d -exec mv -f {}/'*.aep\ Logs' {}/.LogFiles \;
Returns this failure:
mv: rename ./019_0120_WS_WH_gate_insideTEST/05_scripts/*.aep\ Logs to ./019_0120_WS_WH_gate_insideTEST/05_scripts/.LogFiles/*.aep\ Logs: No such file or directory
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root@SDP_Wildcat_Pass-3-C1:~# cat /proc/driver/rtc
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rtc_date : 2014-12-19
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alrm_date : 2014-12-20
alarm_IRQ : no
alrm_pending : no
update IRQ enabled : no
periodic IRQ enabled : no
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Hi,
I am using korn shell.
until ]
do
echo "\$# = " $#
echo "$1"
shift
done
To the above script, I passed 2 parameters and the program control doesn't enter inside "until" loop. If I change it to until ] then it does work.
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LEARN ABOUT DEBIAN
getcol
getcol(1) General Commands Manual getcol(1) Name getcol - Extract specified columns from an ASCII table file Synopsis getcol [-amv][-n num][-r lines][-s num] filename [column number range] Description Extract specified columns from an ASCII table file Options filename Name of a ASCII table file. At least one of these must be present for any values to be printed. If it is stdin or STDIN, an ASCII table is expected as standard input. If there is no input file, standard input is assumed. @filename Name of a file containing a list of ASCII table files. If this is present, any other file names on the command line will be ignored. field range Print value of these columns for the number of lines of the table specified by the -n argument after the skippiing the number of lines specified by the -s argument. A value of 0 causes the entire input line to be printed. -a Sum all numeric columns selected, printing the sum on the line following the result. Columns with no sum are filled with ___. (Added in version 2.6.9) -b Input is bar-separate table file -c Add count of number of lines in each column at end -d <number> Number of decimal places in f.p. output -e Compute medians of selected columns -f Print range of values in selected columns -h Print Starbase tab table header -i Input is tab-separate table file -k Print number of columns on first line -l <number> Number of lines to add to each line -m Compute the means of all numeric columns selected, printing the mean on the line following the result (or the line following the sum if -a is used). Columns with no mean are filled with ___. (Added in version 2.6.9) -n num Print selected columns for this many lines. If not specified, all lines will be read after the number of lines specified by -s have been skipped. -o OR conditions insted of ANDing them -p Print only sum, mmean, sigma, median, or range, not entries -r @listfile -r line range Print columns from the lines specified as either the first nonzero number on each line of the file listfile or the comma- and hyphen- delimitied range; i.e. 1-5,10-12 will print values from lines 1, 2, 3, 4, 5, 10, 11, and 12. (added in version 2.6.12) -s num Skip this many line before starting to print values. If not specified, no lines will be skipped. -t Starbase (tab-separated) table output -v Print more information about process. Web Page http://tdc-www.harvard.edu/software/wcstools/getcol.html Author Doug Mink, SAO (dmink@cfa.harvard.edu) 8 November 2001 WCSTools getcol(1)