Nerius Landys nlan...@gmail.com wrote:
Is there a function, or command line utility, to escape a string,
making it suitable to be input on the command line? For example, this
escape utility would take a input of te st and create an output of
te\ st. Other things such as quotes and single
On 15.02.2010 09:21, Nerius Landys wrote:
But in the case where you're assigning the output of ls directly to a
variable like this:
FOO=`ls`
vs
FOO=`ls`
the text assigned to FOO is the same, right?
Apparently, it is:
sh-4.0$ touch x *
sh-4.0$ FOO=`ls`;echo $FOO|od
000 020170
Nerius Landys nlan...@gmail.com wrote:
#!/bin/sh
DIRNAME=`dirname \$0\`
cd $DIRNAME
SCRIPTDIR=`pwd`
What if I got rid of extra double quotes? Like this:
DIRNAME=`dirname \$0\`
cd $DIRNAME
SCRIPTDIR=`pwd`
That is perfectly fine. Word-splitting and filename expansion are
not
#!/bin/sh
DIRNAME=`dirname \$0\`
cd $DIRNAME
SCRIPTDIR=`pwd`
What if I got rid of extra double quotes? Like this:
DIRNAME=`dirname \$0\`
cd $DIRNAME
SCRIPTDIR=`pwd`
That is perfectly fine. Word-splitting and filename expansion are
not performed for variable assignments. Also
On 15.02.2010 08:07, Nerius Landys wrote:
DIRNAME=`dirname \$0\`
cd $DIRNAME
SCRIPTDIR=`pwd`
What if I got rid of extra double quotes? Like this:
DIRNAME=`dirname \$0\`
cd $DIRNAME
SCRIPTDIR=`pwd`
Does this behave any differently in any kind of case? Are thes double
quotes just
From the man page:
Command Substitution
[...]
If the substitution appears within double quotes, word splitting and
pathname expansion are not performed on the results.
In other words:
sh-4.0$ touch x y
sh-4.0$ for i in `ls`; do echo $i; done
x
y
sh-4.0$ for i in `ls`; do
