makeseqtree1 - build a POSIX Makefile which generates the number sequence 1...n in small chunks
Posted by Anonymous on Wed 28th Feb 2024 15:08
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modification of post by Anonymous (view diff)

#!/bin/ksh93

#
# makeseqtree1 - build a POSIX Makefile which generates the
# number sequence 1...n in small chunks
#
# This is intended to be a filesystem test
#

#
# Written by Roland Mainz <roland.mainz@nrubsig.org>
#

#

# leaf function
# ToDo: write function for branches which calls "make_seq_tree_leaf"
function make_seq_tree_leaf
{
        set -o nounset
        compound c

        typeset c.fp=$1 # prefix
        integer c.seqstart=$2
        integer c.seqincrement=$3
        integer c.seqend=$4

        integer c.i
        integer c.s
        integer c.e
        typeset c.cat_files=''

        for (( c.i=c.seqstart ; c.i < c.seqend ; )) ; do
                (( c.s=c.i , c.e=c.i+c.seqincrement ))
                printf '%sseq%d_%d:\n' "${c.fp}" c.s c.e
                printf '\tseq %d 1 %d >"%sseq%d_%d"\n' c.s c.e "${c.fp}" c.s c.e
                c.cat_files+="$(printf ' %sseq%d_%d' "${c.fp}" c.s c.e)"
                (( c.i=c.e ))
        done

        printf '%s: %s\n' "${c.fp}" "${c.cat_files}"
        printf '\tcat %s\n' "${c.cat_files}"

        return 0
}

make_seq_tree_leaf 'xxx0_50' 0 10 50
make_seq_tree_leaf 'xxx51_100' 1 10 100

printf 'all: xxx0_50 xxx51_100\n'

# EOF.