UNIX for Advanced & Expert Users

{
cmd="wc -c "stringtocheck
( cmd ) | getline Count
print Count
}

wc -c <file
57
awk '{print length}' file
43
12

Last login: Tue Dec  1 13:06:10 on ttys000
AMIGA:barrywalker~> cd Desktop/Code/Shell
AMIGA:barrywalker~/Desktop/Code/Shell> ls -l binary
-rw-r--r--  1 barrywalker  staff  8000 28 Jan  2015 binary
AMIGA:barrywalker~/Desktop/Code/Shell> hexdump -C binary
00000000  4c 19 5e a6 0a 10 2e 20  9a 3e f8 be e8 6c e4 bd  |L.^.... .>...l..|
00000010  a7 f2 0c ca 66 dd 24 23  ba 01 9d 98 24 99 69 89  |....f.$#....$.i.|
00000020  30 73 e0 06 da 35 b8 91  8b cc ea 81 6a b6 ff c3  |0s...5......j...|
00000030  5d b2 67 2a 53 dc 53 33  79 f2 15 ad de e8 e0 6a  |].g*S.S3y......j|
00000040  fc 5e 64 a2 8f 50 e8 10  b3 dd 35 23 e3 3d 5b a2  |.^d..P....5#.=[.|
.
.
.
00001f00  52 63 7a 06 34 f3 04 b4  a9 77 6f e9 6b 5b 1b 1d  |Rcz.4....wo.k[..|
00001f10  dd 08 6e 65 47 9f a0 5f  e9 af cb 37 95 d6 02 c0  |..neG.._...7....|
00001f20  c3 10 53 20 33 94 7f b5  04 47 1c ac c4 b7 b0 06  |..S 3....G......|
00001f30  97 4f 84 be 95 53 1e d8  09 15 b8 20 f2 8d 42 cf  |.O...S..... ..B.|
00001f40
AMIGA:barrywalker~/Desktop/Code/Shell> awk 'BEGIN { system ( "wc -c < binary" ) }'
    8000
AMIGA:barrywalker~/Desktop/Code/Shell> _

#!/bin/bash
# blc
echo "•¶§•¶•¶§•asdfh∆˙∆˙©©˙∆˙∆˙©∆˙æ
†®†¥¥†ø˙˚∆˙∆˙©˚∆ø•¶§¶§¢§∞AJHKK§••ºº©ƒƒ©√∫ç∫
ÔÔÓÔ˜¨Áˆ¨°flˇÓ˝˝◊ÔÓıÔÔÓÔÓÔˆ¨1234567ˆˆÁˆ¨Áˆ¨ˆ¨Á" > /tmp/text
cat /tmp/text
hexdump -C /tmp/text
linenumber=1
while read -s -r line
do
	length=$( echo "$line" | wc -c )
	echo "Line $linenumber length less newline = $(($length-1))..."
	linenumber=$((linenumber+1))
done < /tmp/text

Last login: Tue Dec  1 13:07:20 on ttys000
AMIGA:barrywalker~> cd Desktop/Code/Shell
AMIGA:barrywalker~/Desktop/Code/Shell> ./blc
•¶§•¶•¶§•asdfh∆˙∆˙©©˙∆˙∆˙©∆˙æ
†®†¥¥†ø˙˚∆˙∆˙©˚∆ø•¶§¶§¢§∞AJHKK§••ºº©ƒƒ©√∫ç∫
ÔÔÓÔ˜¨Áˆ¨°flˇÓ˝˝◊ÔÓıÔÔÓÔÓÔˆ¨1234567ˆˆÁˆ¨Áˆ¨ˆ¨Á
00000000  e2 80 a2 c2 b6 c2 a7 e2  80 a2 c2 b6 e2 80 a2 c2  |................|
00000010  b6 c2 a7 e2 80 a2 61 73  64 66 68 e2 88 86 cb 99  |......asdfh.....|
00000020  e2 88 86 cb 99 c2 a9 c2  a9 cb 99 e2 88 86 cb 99  |................|
00000030  e2 88 86 cb 99 c2 a9 e2  88 86 cb 99 c3 a6 0a e2  |................|
00000040  80 a0 c2 ae e2 80 a0 c2  a5 c2 a5 e2 80 a0 c3 b8  |................|
00000050  cb 99 cb 9a e2 88 86 cb  99 e2 88 86 cb 99 c2 a9  |................|
00000060  cb 9a e2 88 86 c3 b8 e2  80 a2 c2 b6 c2 a7 c2 b6  |................|
00000070  c2 a7 c2 a2 c2 a7 e2 88  9e 41 4a 48 4b 4b c2 a7  |.........AJHKK..|
00000080  e2 80 a2 e2 80 a2 c2 ba  c2 ba c2 a9 c6 92 c6 92  |................|
00000090  c2 a9 e2 88 9a e2 88 ab  c3 a7 e2 88 ab 0a ef a3  |................|
000000a0  bf c3 94 ef a3 bf c3 94  c3 93 ef a3 bf c3 94 ef  |................|
000000b0  a3 bf c3 82 cb 9c ef a3  bf c2 a8 c3 81 cb 86 c2  |................|
000000c0  a8 c2 b0 ef ac 82 cb 87  c3 93 cb 9d cb 9d e2 97  |................|
000000d0  8a c3 94 c3 93 ef a3 bf  c4 b1 ef a3 bf c3 94 ef  |................|
000000e0  a3 bf c3 94 c3 93 c3 94  c3 93 c3 94 cb 86 c2 a8  |................|
000000f0  31 32 33 34 35 36 37 cb  86 cb 86 c3 81 cb 86 c2  |1234567.........|
00000100  a8 c3 81 cb 86 c2 a8 cb  86 c2 a8 c3 81 0a        |..............|
0000010e
Line 1 length less newline = 62...
Line 2 length less newline = 94...
Line 3 length less newline = 111...
AMIGA:barrywalker~/Desktop/Code/Shell> _

echo "•¶§•¶•¶§•asdfh∆˙∆˙©©˙∆˙∆˙©∆˙æ
†®†¥¥†ø˙˚∆˙∆˙©˚∆ø•¶§¶§¢§∞AJHKK§••ºº©ƒƒ©√∫ç∫
ÔÔÓÔ˜¨Áˆ¨°flˇÓ˝˝◊ÔÓıÔÔÓÔÓÔˆ¨1234567ˆˆÁˆ¨Áˆ¨ˆ¨Á" > /tmp/text

#!/bin/bash
# blc.sh '/full/path/to/filename'
linenumber=1
while read -s -r line
do
	length=$( echo "$line" | wc -c )
	echo "Line $linenumber length less newline = $(($length-1))..."
	linenumber=$((linenumber+1))
done < $1

#!/bin/sh
# blc_awk.sh /full/path/to/filename
# Note there must be a whitespace after blc.sh.
awk -v arg="$1" 'BEGIN { system ( "~/Desktop/Code/Shell/blc.sh "arg ) }'

Last login: Tue Dec  1 21:08:13 on ttys000
AMIGA:barrywalker~> cd Desktop/Code/Shell
AMIGA:barrywalker~/Desktop/Code/Shell> echo "•¶§•¶•¶§•asdfh∆˙∆˙©©˙∆˙∆˙©∆˙æ
> †®†¥¥†ø˙˚∆˙∆˙©˚∆ø•¶§¶§¢§∞AJHKK§••ºº©ƒƒ©√∫ç∫
> ÔÔÓÔ˜¨Áˆ¨°flˇÓ˝˝◊ÔÓıÔÔÓÔÓÔˆ¨1234567ˆˆÁˆ¨Áˆ¨ˆ¨Á" > /tmp/text
AMIGA:barrywalker~/Desktop/Code/Shell> ./blc.sh /tmp/text
Line 1 length less newline = 62...
Line 2 length less newline = 94...
Line 3 length less newline = 111...
AMIGA:barrywalker~/Desktop/Code/Shell> ./blc_awk.sh /tmp/text
Line 1 length less newline = 62...
Line 2 length less newline = 94...
Line 3 length less newline = 111...
AMIGA:barrywalker~/Desktop/Code/Shell> _