_repeat() { #@ USAGE: _repeat string number _REPEAT=$1 while (( ${#_REPEAT} < $2 )) ## Loop until string exceeds desired length do _REPEAT=$_REPEAT$_REPEAT$_REPEAT ## 3 seems to be the optimum number done _REPEAT=${_REPEAT:0:$2} ## Trim to desired length } repeat() { ...
array: 数组,一堆变量,但是这堆变量在内存空间中是连续的; An crray is like a series of slots that hold values. Each slot is known as an element, and each element can be accessed via a numerical index. An array element can contain a string or a number, and you can use it just like a...
# # Parameters: # $1 - The input string containing newlines and tabs. # # Returns: # The resulting list (array) is stored in the global variable # 'list_result'. ### function new_line_and_tab_to_list() { local input=$1 export list_result list_result=() mapfile -t lines <<...
@TOC 在一系列数字上循环 替代 seq. # Loop from 0-100 (no variable support). for i in {0....
parse error: Expected separator between values at line3,column9 Next, I demonstrate a few things to make your script more robust and in some times recover from failure. The nuclear option: Failing hard, failing fast The proper way to handle errors is to check if the program finished successf...
= parse_position("bottom"); config->font_description = pango_font_description_from_string("...
; } /* Parse NAME,a lhs of an assignment of the form v[s], and assign VALUE to that array element calling bind_array_variable(). Flags are ASS_ assignment flags */ SHELL_VAR * assign_array_element (name, value, flags) char *name,*value; int flags; { ...
/^-[aAlturx]*i/{ x s/.*/&Integer / x b array } # String type. handling. /^-[aAtrx]*l/{ x s/.*/&LowerCase / x } /^-[aAtrx]*u/{ x s/.*/&UpperCase / x } x s/.*/&String / x : array # For arrays, we remove the initialisation since I dont know yet # how ...
parse_and_execute (string, from_file, flags) char *string; const char *from_file; int flags; { ... if (parse_command () == 0) { if ((flags & SEVAL_PARSEONLY) || (interactive_shell == 0 && read_but_dont_execute)) 此语句没有做函数边界判断 ...
Example: All lines in an array (where \c0 replicate the eof character thanks to backslash escape) IFS=$'\n' read -r -a REPO_DIRS -d $'\c0' < /path/to/myfile.csv Copy Bash Download Get the first two words (fields) of a line Read parse the line with the IFS separators and ...