Strings are concatenated by default in the shell. value=”$variable”text”$other_variable” It’s generally considered good practice to wrap variable expansions in double quotes. You can also do this: value=”${variable}text${other_variable}” The curly braces are useful when dealing with a mixture of variable names and strings. Note that there should be no spaces around the = in an assignment.
I am using the pre-revprop-change hook that allows me to actually go back and edit comments and such information after the commit has been performed. This is very useful if there is missing/erroneous information in the commit comments. Here I post a pre-revprop-change.bat batch file for Windows NT or later. You can certainly enhance it … Read more
The -File parameter If you want to run powershell.exe -File from the command line, you always have to set paths with spaces in double quotes (“). Single quotes (‘) are only recognized by PowerShell. But as powershell.exe is invoked (and hence the file parameter processed) by the command line, you have to use “. powershell.exe … Read more
test (or [ expr ]) is a builtin function. Like all functions in bash, you pass its arguments as whitespace separated words. As the man page for bash builtins states: “Each operator and operand must be a separate argument.” It’s just the way bash and most other Unix shells work. Variable assignment is different. In … Read more
Are you looking for ansifilter? Two things you can do: enter the literal escape (in bash:) Using keyboard entry: sed ‘s/Ctrl-vEsc//g’ alternatively sed ‘s/Ctrl-vCtrl-[//g’ Or you can use character escapes: sed ‘s/\x1b//g’ or for all control characters: sed ‘s/[\x01-\x1F\x7F]//g’ # NOTE: zaps TAB character too!
__file__ as others have said. You may also want to use os.path.realpath to eliminate symlinks: import os os.path.realpath(__file__)
python -c’import themodule; themodule.thefunction(“boo!”)’
Try $’\n’: VAR=a VAR=”$VAR”$’\n’b echo “$VAR” gives me a b
If you write an unmanaged program and use CreateProcess API then you should initialize lpStartupInfo parameter of the type STARTUPINFO so that wShowWindow field of the struct is SW_HIDE and not forget to use STARTF_USESHOWWINDOW flag in the dwFlags field of STARTUPINFO. Another method is to use CREATE_NO_WINDOW flag of dwCreationFlags parameter. The same trick … Read more
For example: PSKILL NOTEPAD >output.txt 2>&1 This will direct stdout and stderr to a file name output.txt. See Underused features of Windows batch files for more details.