Shell Programming and Scripting

#!/bin/sh
s="12-13 15-18 23-28 36-38 42-43 53-56 70-72 76 80-86 93-110 119-128"
echo $s | awk '
{
  for (i=1;i<=NF;i++){
    n=split($i,a,"-")
    for (j=a[1];j<=a[n];j++){
        printf  "%d " ,j  
    }
    print ""
  }
}'

# ./test.sh
12 13
15 16 17 18
23 24 25 26 27 28
36 37 38
42 43
53 54 55 56
70 71 72
76
80 81 82 83 84 85 86
93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
119 120 121 122 123 124 125 126 127 128

#!/bin/bash3 -

# @(#) user2    Demonstrate eval and tr.

# echo "Input first set of nodes"

# read node1 # This is where you insert the string of numbers
# node1="435-437,476-492 70-72,76,80-86"
node1="435-437 476-492 70-72 76 80-86"

result=`echo $node1 | sed -r -e 's/([0-9]+)-([0-9]+)[ ]*/{\1..\2} /g'`

echo {1..5}

eval echo $result |
tee t1 |
tr '[, ]' '\n' |
tee t2 |
sort -n |
tr '\n' ' '
echo

exit 0

% ./user2
1 2 3 4 5
70 71 72 76 80 81 82 83 84 85 86 435 436 437 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492

  pattern-part { action-part }

$ input="34-40 10-20 4-8"

$ output=$(echo $input |perl -nae '$,=$\=" "; print foreach(sort {$a<=>$b} map( {s/-/../g ; eval $_ } @F))')

$ echo $output
4 5 6 7 8 10 11 12 13 14 15 16 17 18 19 20 34 35 36 37 38 39 40