This is because you are using the hyphen within other characters, so that grep understands it as a range, which happens to be invalid. You are basically doing grep “[\-‘]” file This is interpreted by grep as you providing a range of characters to be checked on, like for example grep “[a-z]” file. But the … Read more
the first line is the VDSO. this is described in depth in the vdso(7) manpage. basically it’s a shared library that’s embedded in your kernel and automatically loaded whenever a new process is exec-ed. that’s why there’s no filesystem path on the right side — there is none! the file only exists in the kernel … Read more
How come %d is deprecated? It seem that all int specifiers are deprecated. They are not deprecated in the sense that that term is ordinarily used in software documentation. There is no plan for their removal from the language and there are no direct replacements. The ISO committee responsible for maintaining the language standard has … Read more
It is possible to work around :escape command limitations using registers and :bindkey command. Just put this in .screenrc: # reset escape key to the default escape ^Aa # auxiliary register register S ^A # Alt + x produces ^A and acts as an escape key bindkey “^[x” process S ## Alt + space produces … Read more
Incredibly, somehow everyone else missed the canonical way to do this, which has been around since 2 years before this thread began. 🙂 I wondered the same thing as the OP and was disappointed by the lack of proper (non-ugly) ways to do this when I read this thread. A few days later, while idly … Read more
You could try using objcopy to convert it to a normal object you can link in, and then reference its symbols in the linker script like you would do to a normal object. From the objcopy manual page: -B bfdarch –binary-architecture=bfdarch Useful when transforming a raw binary input file into an object file. In this … Read more
Use tee to direct it straight to screen instead of stdout $ var=$(echo hi | tee /dev/tty) hi $ echo $var hi
I realize this is a bit old at this point, but you don’t need to even use a subshell to test if a file exists in Make. It also depends on how you want/expect it to run. Using the wildcard function, like so: all: foo foo: ifeq (,$(wildcard /opt/local/bin/gsort)) $(error GNU Sort does not exist!) … Read more
print *variable If you do that it will display the value of that variable in GDB. You also have an option to display the struct with indentation and new lines: $1 = { next = 0x0, flags = { sweet = 1, sour = 1 }, meat = 0x54 “Pork” } For that you need … Read more
Small elaboration on bb2’s answer, if you do not want to change the font face: set xtics font “, 30” And for tics on the yaxis: set ytics font “, 30” For both axis at the same time: set tics font “, 30”