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How can I write a path with LaTeX? I want something like this:
C:\\Program Files\\My Program\\my file.txt
I have to use double slashes, not single ones.
Found this:
How does one insert a backslash or a tilde into Latex
The Comprehensive LaTeX Symbol List is your friend. \textbackslash and \textasciitilde are found in Table 2 of the list
So you should try
C:\textbackslash\textbackslash Program Files\textbackslash\textbackslash My Program\textbackslash\textbackslash my file.txt
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add=+
echo "$((1{$add}2))"
If I write 1+2 it outputs 3, but when I store the + sign in a variable called "add" and then use it in place of + operator, it just outputs it as if it was a string. How can I use the variable and still make it output 3?
As far as I can see, the code is wrong and should not print anything but an error.
What you should do is write the variable as ${add}, not {$add}.
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For debugging purposes, I want to alter a rake test so as not to end a saved file with a newline.
I don't know ruby. How do I do this? (file.print doesn't seem to work.)
Not clear what you are doing, but since you tried file.print, it looks like you have access to what is to be printed. Let's say this is string. My guess is that string already has a newline character. Then do:
file.print(string.chomp)
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What are the advantages / disadvantages of converting a shell script into a binary file?
I have done that and when I run the binary file on another linux it doesn't run.
it gives this error
version 'GLIBC_2.14' not found (required by ./test.sh.x)
on another server it gives this ./test.sh.x: Invalid argument.
The script only does a echo "hello"
The only 'advantage' is obfuscation, the disadvantages numerous as the examples in your question show.
If you're using it to hide secrets (passwords) they are easy to extract anyway.
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I'm using a custom prompt from my bash_profile and when I type long commmands into the terminal they wrap on the same line instead of on a new one. What's up with that?
Cyan='\e[0;36m' # Cyan
export PS1="${Cyan}\w$ \e[m"
You have to surround nonprinting characters with \[ and \]:
PS1='\[\e[0;36m\]\w$ \[\e[m\]'
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How can I make a KornShell (ksh) script go to new line when I am typing in the terminal? It is currently going to the end of the current line.
Use the multiline option:
set -o multiline