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Klingon programming; weak code must die
$ gcc -Wall -Werror -o prog prog.c || rm -f prog.c View this command to comment, vote or add to favourites View all commands by devoid Diff your entire server config at ScriptRock.com
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C one-liners
$ /lib/ld-linux.so.2 =(echo -e '#include <stdio.h>\nint main(){printf("c one liners\\n");}' | gcc -x c -o /dev/stdout -) /lib/ld-linux.so.2 is the runtime linker/loader for ELF binaries on Linux....
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Compile all C files in a directory
$ ls *.c | while read F; do gcc -Wall -o `echo $F | cut -d . -f 1 - ` $F; done Compile *.c files with "gcc -Wall" in actual directory, using as output file the file name without extension. View this...
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The 1 millionth fibonacci number
$ gcc -x c -o /tmp/out - -lgmp <<< '#include <stdlib.h> ... SEE SAMPLE OUTPUT FOR FULL COMMAND It's hard to beat C. This is just slightly faster than the bc version on my machine. real...
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Display GCC Predefined Macros
$ gcc -dM -E - < /dev/null View this command to comment, vote or add to favourites View all commands by ohe Diff your entire server config at ScriptRock.com
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Display GCC Predefined Macros
$ gcc -dM -E - <<<'' doesn't need /dev/null View this command to comment, vote or add to favourites View all commands by bucciarati Diff your entire server config at ScriptRock.com
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Write and run a quick C program
$ alias cstdin='echo "Ctrl-D when done." && gcc -Wall -o ~/.stdin.exe ~/.stdin.c && ~/.stdin.exe' This is a quick hack to make a gcc caller. Since it runs with gcc instead of tcc, it's...
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Display GCC Predefined Macros
$ echo | gcc -dM -E - another one View this command to comment, vote or add to favourites View all commands by Byung Diff your entire server config at ScriptRock.com
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Check if commands are available on your system
$ for c in gcc bison dialog bc asdf; do if ! which $c >/dev/null; then echo Required program $c is missing ; exit 1; fi; done View this command to comment, vote or add to favourites View all...
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See a full list of compiler defined symbols
$ gcc -dM -E - < /dev/null From http://lists.debian.org/debian-devel/2001/01/msg00971.html . View this command to comment, vote or add to favourites View all commands by lucasrangit Diff your entire...
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Apply only preprocessor for .c file and beautify output
$ gcc -E code.c | sed '/^\#/d' | indent -st -i2 > code-x.c View this command to comment, vote or add to favourites View all commands by enikulenkov Diff your entire server config at ScriptRock.com
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Useless fun
$ echo "main(i){for(i=0;;i++)putchar(((i*(i>>8|i>>9)&46&i >>8))^(i&i>>13|i>>6));}" | gcc -x c - && ./a.out | aplay Something I pulled off 4chan, it...
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Play awesome rythmic noise using aplay
$ echo "main(i){for(i=0;;i++)putchar(((i*(i>>8|i>>9)&46&i>>8))^(i&i>>13|i>>6));}" | gcc -x c - && ./a.out | aplay Try modifying the numbers in the...
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Installation Ksuperkey by one command in Kubuntu.
$ sudo apt-get install git gcc make libx11-dev libxtst-dev pkg-config -y && git clone https://github.com/hanschen/ksuperkey.git && cd ksuperkey && make && sudo mv...
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guitar synthesizer in one line of C
$ f=220;echo "int s=16e3/$f;main(i){unsigned char v[s];read(0,v,s);for(;;)putchar(v[i%s]=(v[i%s]+v[++i%s])/2);}"|gcc -x c -&&./a.out</dev/urandom|aplay -d 2 outputs a f=220Hz guitar string...
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Quickly write and run a C program.
$ vim test.c && gcc -x c -o a.out test.c && ./a.out && rm a.out test.c View this command to comment, vote or add to favourites View all commands by ari2015 Diff your entire...
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List of macros defined by gcc
$ gcc -dM -E - </dev/null Lists all macros and their values defined by gcc. View this command to comment, vote or add to favourites View all commands by slower Diff your entire server config at...
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