UNIX for Beginners Questions & Answers

<columnname1(binary1)columnvalue(binary1)columnname2(binary1)columnvalue(binary1)columnname3(binary1)columnvalue... 1st row/>
<columnname1(binary1)columnvalue(binary1)columnname2(binary1)columnvalue(binary1)columnname3(binary1)columnvalue.. second row/>

Last login: Thu Jun 20 17:47:09 on ttys000
AMIGA:amiga~> dash
AMIGA:\u\w> CSV=$( printf "\001" )
AMIGA:\u\w> echo '<text1'${CSV}'text2'${CSV}'text3'${CSV}'text4/>' > /tmp/CSV
AMIGA:\u\w> echo '<text1'${CSV}'text2'${CSV}'text3'${CSV}'text4/>' >> /tmp/CSV
AMIGA:\u\w> hexdump -C /tmp/CSV
00000000  3c 74 65 78 74 31 01 74  65 78 74 32 01 74 65 78  |<text1.text2.tex|
00000010  74 33 01 74 65 78 74 34  2f 3e 0a 3c 74 65 78 74  |t3.text4/>.<text|
00000020  31 01 74 65 78 74 32 01  74 65 78 74 33 01 74 65  |1.text2.text3.te|
00000030  78 74 34 2f 3e 0a                                 |xt4/>.|
00000036
AMIGA:\u\w> cat /tmp/CSV
<text1text2text3text4/>
<text1text2text3text4/>
AMIGA:\u\w> exit
AMIGA:amiga~> _

#!/usr/local/bin/dash
: > /tmp/FILE
CSV()
{
    # The OP specifically asked for Ctrl-A, 0x01 but for any binary...
    printf "\000"
} >> /tmp/FILE

# First line...
printf '<' >> /tmp/FILE
for TEXT in text1 text2 text3
do
    printf "${TEXT}" >> /tmp/FILE
    CSV
done
echo 'text4/>' >> /tmp/FILE

# Second line...
printf '<' >> /tmp/FILE
for TEXT in text5 text6 text7
do
    printf "${TEXT}" >> /tmp/FILE
    CSV
done
echo 'text8/>' >> /tmp/FILE
# And so on...

# Check it works...
hexdump -C /tmp/FILE

# How it views using 'cat'...
cat /tmp/FILE

Last login: Fri Jun 21 17:28:12 on ttys000
AMIGA:amiga~> cd Desktop/Code/Shell
AMIGA:amiga~/Desktop/Code/Shell> chmod 755 ZERO_CSV.sh
AMIGA:amiga~/Desktop/Code/Shell> ./ZERO_CSV.sh
00000000  3c 74 65 78 74 31 00 74  65 78 74 32 00 74 65 78  |<text1.text2.tex|
00000010  74 33 00 74 65 78 74 34  2f 3e 0a 3c 74 65 78 74  |t3.text4/>.<text|
00000020  35 00 74 65 78 74 36 00  74 65 78 74 37 00 74 65  |5.text6.text7.te|
00000030  78 74 38 2f 3e 0a                                 |xt8/>.|
00000036
<text1text2text3text4/>
<text5text6text7text8/>
AMIGA:amiga~/Desktop/Code/Shell> _

#!/bin/sh
csvline(){
  _s="<"
  for _i
  do
    printf "$_s$_i"
    _s=$sep
  done
  printf "/>\n"
}

sep=$(printf "\001")
{
csvline text1 text2 text3 text4 
csvline text5 text6 text7 text8 
} > outputfile