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Full Discussion: How can i split this.. :)?
Top Forums Shell Programming and Scripting How can i split this.. :)? Post 302989823 by bakunin on Wednesday 18th of January 2017 03:09:18 PM
Old 01-18-2017
Quote:
Originally Posted by RudiC
An array would be most suited to be assigned to, but sh doesn't have them.
This is right but you can pad by adding zeroes at the begin and then get the characters one at a time from right to left until you hit zero:

Code:
NUM=1
# NUM=12
# NUM=123

XNUM="00$NUM"

echo ${XNUM#${XNUM%?}}      # rightmost char
...etc.

(caution: not tested with a real Bourne shell as i do not have such a thing)

(addendum: if you use ksh (any ksh) you can typeset -RZ3 the variable and don't need the padding)

I hope this helps.

bakunin
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RUNLIM(1)						      General Commands Manual							 RUNLIM(1)

NAME
runlim - a program to run benchmarks SYNOPSIS
runlim [ options ...] command [ arguments ...] DESCRIPTION
run is a tool that can be used to run and control benchmarks. It executes a given command with (optional) arguments, samples resource usage during the run, and kills the process (and its child processes) if a certain time and/or space limit is exhausted. Every 100 milliseconds, runlim takes a sample of the program's resource utilization, and logs status information to stderr every second. Optionally, the status can be logged to a file. Multi-threaded programs can be limited by setting a wall clock timeout. runlim follows the time accumulation scheme of GNU time for multi- threaded programs and programs that spawn multiple child-processes: time spent in each thread/child is summed up, unless you are only interested in walk clock time. OPTIONS
runlim accepts the following options: -h, --help Show summary of options. --version Show version of program. -o FILE, --output-file=FILE Overwrite or create FILE for output logging. -s NUM, --space-limit=NUM Set space limit to NUM megabytes. -t NUM, --time-limit=NUM Set time limit to NUM seconds. -r NUM, --real-time-limit=NUM Set real time limit to NUM seconds. -k, --kill Propagate signals. SEE ALSO
time(1), timelimit(1), timeout(1), time(7). AUTHOR
runlim was written by Armin Biere and Toni Jussila. This manual page was written by Thomas Krennwallner <tkren@kr.tuwien.ac.at>, for the Debian project (and may be used by others). February 11, 2011 RUNLIM(1)
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