_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:$2} ## Trim to desired length } repeat() { ...
truncatedString=${myString:0:10} echo"Truncated String:"$truncatedString Here, we are using the ${string:0:10} command to truncate the string variable from position 0 to 10 characters. The output of this command is “Hello and” which is the first ten characters of the string in short ...
PROMPT_DIRTRIM If set to a number greater than zero, the value is used as the number of trailing directory components to retain when expanding the \w and \W prompt string escapes (see PROMPTING below). Characters removed are replaced with an ellipsis. PS1 The value of this parameter is ...
/bin/sh foo() { local basedir=$1 local all_entries=`ls -c` fo...
Bash provides a way to extract a substring from a string. The following example expains how to parse n characters starting from a particular position. ${string:position} Extract substring from $string at $position ${string:position:length} ...
Trim leading and trailing white-space from stringThis is an alternative to sed, awk, perl and other tools. The function below works by finding all leading and trailing white-space and removing it from the start and end of the string. The : built-in is used in place of a temporary ...
myString="This:is:a:String" lastElement=$(echo "$myString" | tr ':' '\n' | tail -n 1) echo "The last element is: $lastElement" Output 1 2 3 The last element is: String The tr command in Bash is typically used for transforming and deleting characters in a string or a fil...
better to do the safe thing.(ASIDE:There's absolutely no value provided by EDOCX1 penalic 12 over EDOCX1 pensional 13 ausl except for consistence with cases where the brackets are necessary,either for a parameteralized expansion or concatentation with a following string containing characters in ...
EN# -*- coding:utf-8 -*- #用户输入 && 格式化输出 #getpass 模块是内置的，可以将输入的内容...
alphabetic characters. The return value is 0 if the string matches (==) or does not match (!=) the pattern, and 1 otherwise. Any part of the pattern may be quoted to force the quoted portion to be matched as a string. An additional binary operator, =~, is available, with the same...