Monthly Archives: September 2018

finding source code or source file of a typical bash function

$type -a signals bash: type: signals: not found $type -a _signals _signals is a function _signals () { local -a sigs=($( compgen -P “$1” -A signal “SIG${cur#$1}” )); COMPREPLY+=(“${sigs[@]/#${1}SIG/${1}}”) } $declare -F _signals _signals $shopt -s extdebug $declare -F _signals _signals 862 /usr/share/bash-completion/bash_completion $declare -F _command _command 1732 /usr/share/bash-completion/bash_completion $declare -F compgen $declare -F _grub_dirs …

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bash builtin command named command

$pwd /home/jeffrin/upstream-kernel $tail ~/.bashrc . /usr/share/bash-completion/bash_completion elif [ -f /etc/bash_completion ]; then . /etc/bash_completion fi fi export PS1=$ function ls { pwd } $ls /home/jeffrin/upstream-kernel $command ls 0002-Testing-script-for-Intel-P-State-driver-crashes-duri.patch linux linux-kselftest linux-kselftest.bup linux-kselftest.bup2 linux-next linux.old $

caller — returns the context of any active subroutine call

$cat test.bash!/bin/bash die() { local frame=0 while caller $frame; do ((frame++)); done echo “$*” exit 1 } f1() { die “*** an error occured ***”; } f2() { f1; } f3() { f2; } f3 $ $bash test.bash 12 f1 test.bash 13 f2 test.bash 14 f3 test.bash 16 main test.bash *** an error occured *** …

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What is 16 bit in different contexts ?

Refers to the number of bits that can be processed or transmitted in parallel, or thenumber of bits used for single element in adata format. The term is often applied to thefollowing: microprocessor: indicates the width of theregisters. A 16-bit microprocessor can processdata and memory addresses that are representedby 16 bits. bus : indicates the …

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Windows Application Programming Interface

The Windows application programming interface (API) is the user-mode system programminginterface to the Windows operating system family. Prior to the introduction of 64-bit versions ofWindows, the programming interface to the 32-bit versions of the Windows operating systems wascalled the Win32 API to distinguish it from the original 16-bit Windows API, which was the program-ming interface …

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