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Full Discussion: Single quote _error_.
Top Forums Shell Programming and Scripting Single quote _error_. Post 303027727 by wisecracker on Saturday 22nd of December 2018 11:41:07 AM
Old 12-22-2018
Hi RudiC...

Thanks a lot, as soon as I read your post I realised that I had transient, (external), versions of the command(s)...
I assumed dash's and sh's version would be the same as my transient ones instead of resident, (builtin), ones...
Never make assumptions eh! I should stick to my own quotes.
OSX 10.14.1, default bash terminal calling dash...
Code:
Last login: Sat Dec 22 16:13:19 on ttys000
AMIGA:amiga~> dash
AMIGA:\u\w> printf '%s' 'ab c \f d \n ef \q' > /tmp/ascii.txt
AMIGA:\u\w> hexdump -C /tmp/ascii.txt
00000000  61 62 20 63 20 5c 66 20  64 20 5c 6e 20 65 66 20  |ab c \f d \n ef |
00000010  5c 71                                             |\q|
00000012
AMIGA:\u\w> /usr/bin/printf '%s' 'ab c \f d \n ef \q' > /tmp/ascii.txt
AMIGA:\u\w> hexdump -C /tmp/ascii.txt
00000000  61 62 20 63 20 5c 66 20  64 20 5c 6e 20 65 66 20  |ab c \f d \n ef |
00000010  5c 71                                             |\q|
00000012
AMIGA:\u\w> echo 'ab c \f d \n ef \q' > /tmp/ascii.txt
AMIGA:\u\w> hexdump -C /tmp/ascii.txt
00000000  61 62 20 63 20 0c 20 64  20 0a 20 65 66 20 5c 71  |ab c . d . ef \q|
00000010  0a                                                |.|
00000011
AMIGA:\u\w> /bin/echo 'ab c \f d \n ef \q' > /tmp/ascii.txt
AMIGA:\u\w> hexdump -C /tmp/ascii.txt
00000000  61 62 20 63 20 5c 66 20  64 20 5c 6e 20 65 66 20  |ab c \f d \n ef |
00000010  5c 71 0a                                          |\q.|
00000013
AMIGA:\u\w> _

I wasn't actually using this in any code I just wanted a raw file as a test, that is how I came across it.
Now logged in the old grey matter to use transient versions to test with too.
Looks like 'printf' is the way to go; for quickness I never even considered 'printf'...

Many thanks matey...
These 2 Users Gave Thanks to wisecracker For This Post:
 

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dos2unix(1)						      General Commands Manual						       dos2unix(1)

NAME
dos2unix - DOS/MAC to UNIX text file format converter SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...] Options: [-hkqV] [--help] [--keepdate] [--quiet] [--version] DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format. OPTIONS
The following options are available: -h --help Print online help. -k --keepdate Keep the date stamp of output file same as input file. -q --quiet Quiet mode. Suppress all warning and messages. -V --version Prints version information. -c --convmode convmode Sets conversion mode. Simulates dos2unix under SunOS. -o --oldfile file ... Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used. -n --newfile infile outfile ... New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be used or you WILL lost your files. EXAMPLES
Get input from stdin and write output to stdout. dos2unix Convert and replace a.txt. Convert and replace b.txt. dos2unix a.txt b.txt dos2unix -o a.txt b.txt Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix ascii format. dos2unix a.txt -c iso b.txt dos2unix -c ascii a.txt -c iso b.txt dos2unix -c mac a.txt b.txt Convert and replace a.txt while keeping original date stamp. dos2unix -k a.txt dos2unix -k -o a.txt Convert a.txt and write to e.txt. dos2unix -n a.txt e.txt Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt. dos2unix -k -n a.txt e.txt Convert and replace a.txt. Convert b.txt and write to e.txt. dos2unix a.txt -n b.txt e.txt dos2unix -o a.txt -n b.txt e.txt Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt. dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt DIAGNOSTICS
BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me. AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au> Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org> MISCELLANY
Tested environment: Linux 1.2.0 with GNU C 2.5.8 SunOS 4.1.3 with GNU C 2.6.3 MS-DOS 6.20 with Borland C++ 4.02 Suggestions and bug reports are welcome. SEE ALSO
unix2dos(1) mac2unix(1) 1995.03.31 dos2unix v3.0 dos2unix(1)
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