Top Forums Shell Programming and Scripting How to print in the new line? Post 302853141 by targetshell on Friday 13th of September 2013 09:44:24 AM
Old 09-13-2013
Quote:
Originally Posted by Jotne
Using awk
Code:
echo "4" | awk '{for (j=$0;j>=1;j--) {for (i=1;i<=j;i++) printf i; print ""}}'
1234
123
12
1


Shell should take input from the user instead of assuming it to be "4"

---------- Post updated at 08:44 AM ---------- Previous update was at 08:41 AM ----------

Quote:
Originally Posted by apmcd47
Code:
{
   read x
   y=$x
   i=1
   while [ $i -le $x ]
   do
      j=1
      while [ $j -le $y ]
      do
         echo -n $j
         j=`expr $j + 1`
      done
      echo
      i=`expr $i + 1`
      y=`expr $y - 1`
   done
}

I have replaced the prints with echos and indented for reading purposes. YOu had an if construct which I assume you put in for debugging purposes.

Andrew

I should have quoted that I am working in KORN shell. I don't know how much implications it has on the syntax, but here is the O/P of your amended script.

Code:
3
-n 1
-n 2
-n 3

-n 1
-n 2

-n 1


Plz advise !

Last edited by Scott; 09-13-2013 at 11:46 AM.. Reason: Code tags
 

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DPKG-AWK(1)						      General Commands Manual						       DPKG-AWK(1)

NAME
dpkg-awk - Utility to read a dpkg style db file SYNOPSIS
dpkg-awk [(-f|--file) filename] [(-d|--debug) ##] [(-s|--sort) list] [(-rs|--rec_sep) ??] '<fieldname>:<regex>' ... -- <out_fieldname> .. DESCRIPTION
dpkg-awk Parses a dpkg status file (or other similarly formatted file) and outputs the resulting records. It can use regex on the field values to limit the returned records, it can also be told which fields to output, and it can sort the matched fields. OPTIONS
-f filename --file filename The file to parse. The default is /var/lib/dpkg/status. -d [#] --debug [#] Each time this is specified, it increased the debug level. -s field(s) --sort field(s) A space or comma separated list of fields to sort on. -n field(s) --numeric field(s) A space or comma separated list of fields that should be interpreted as numeric in value. -rs ?? --rec_sep ?? Output this string at the end of each output paragraph. -h --help Display some help. fieldname The fields from the file, that are matched with the regex given. The fieldnames are case insensitive. out_fieldname The fields from the file, that are output for each record. If the first field listed begins with ^, then the list of fields that follows will NOT be output. BUGS
Be warned that the author has only a shallow understanding of the dpkg packaging system, so there are probably tons of bugs in this pro- gram. This program comes with no warranties. If running this program causes fire and brimstone to rain down upon the earth, you will be on your own. This program accesses the dpkg database directly in places, querying for data that cannot be gotten via dpkg. AUTHOR
Adam Heath <doogie@debian.org> DEBIAN
Debian Utilities DPKG-AWK(1)

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