Exec format error. Binary file not executable

Question

I'm under

Linux version 3.3.4-5.fc17.x86_64 ([email protected]) (gcc version 4.7.0 20120504 (Red Hat 4.7.0-4) (GCC) ) #1 SMP Mon May 7 17:29:34 UTC 2012

trying to run a basic executable script.ksh file with permission 775 and containing:

#!/bin/ksh
echo "hello ya"

but I have:

$./script.ksh
 ./script.ksh: Exec format error. Binary file not executable.

the problem looks like to come from the shebang but I can't figure out why and how. I can run the script by doing this (note the weird output for the first line):

$ ksh script.ksh
script.ksh[1]: ?o?;??#!/bin/ksh: not found [No such file or directory]
hello ya

some (maybe) useful output:

$ file script.ksh
script.ksh: Korn shell script, UTF-8 Unicode (with BOM) text executable
$ which ksh
/bin/ksh

do you have an idea?

youyou · Accepted Answer · 2017-02-14 12:32:39Z

1

ok the problem come from the option

set bomb

in the .vimrc config file of vim. Comment this line solve the problem.

answered Feb 14, 2017 at 12:32

youyou

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Comments

Toby Speight · Accepted Answer · 2017-02-14 13:49:57Z

1

The first line begins with some invisible characters, as shown in your error message:

?o?;??#!/bin/ksh: not found

You can confirm this with

od -t x1c -N 10 script.ksh

Remove those characters, and it will now begin with the magic #!. One way you might be able to do that is

sed -i -e '1s/^[^#]*//' script.ksh

Test it first without the -i option (you can pipe it into od to check the result).

answered Feb 14, 2017 at 13:49

Toby Speight

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2 Comments

youyou Over a year ago

indeed, that's what the option "bomb" does in vim: prepending a BOM mark to the file.

Toby Speight Over a year ago

I thought so - but reasoned that the explanation might be more valuable than the fix, in case there are other editors that are broken in the same way.

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