# Usage: remove_array_dups "array" declare -A tmp_array for i in "$@"; do [[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done printf '%s\n' "${!tmp_array[@]}" } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 用法示例: $ remove_array_dups 1 1 2 2 3 3 3 3 3 4...
Bash provides us with a mechanism to remove a substring from a given string using the parameter expansion. It always removes only one matched substring. Depending on usage, it can match the longest or shortest substring and match starting from the beginning or from the end. It’s important to...
The back- slash preceding the ! is not removed. The special parameters * and @ have special meaning when in double quotes (see PARAMETERS below). Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ...
remove_array_dups() {# Usage: remove_array_dups "array"declare-A tmp_arrayforiin"$@";do[[$i]] && IFS=" "tmp_array["${i:- }"]=1doneprintf'%s\n'"${!tmp_array[@]}"} 用法示例: $remove_array_dups1122333334444455555512345$arr=(red red green blue blue)$remove_array_dups"${arr[...
Assign the path separator to field separator and extract all the content after the initial slash into$name. while IFS=/ read junk name do echo $name done < directory_listing.txt Shell script - Remove characters to right of first space in, You can use native shell string manipulation: TEST...
_COMMANDG_() { printf "\\n\\e[1;48;5;138m %s\\e[0m\\n\\n" "TermuxArch WARNING: Run 'bash ${0##*/}' and './${0##*/}' from the native BASH shell in Termux: EXITING...";} COMMANDG="$(command -v getprop)" ||: # _COMMANDG_ && _PSGI1ESTRING_ "COMMANDG setu...
Quoting is used to remove the special meaning of certain characters or words to the shell. Quoting can be used to disable special treatment for special characters, to prevent reserved words from being recognized as such, and to prevent parameter expansion. ...
Note that the basename command removes any leading directory components from the input path and returns only the final file or directory name. If the input path ends with a trailing slash, the basename command returns an empty string as output. Using IFS Command Use the IFS (Internal Field Se...
Words of the form $'string' are treated specially. The word expands to string, with back‐ slash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if present, are decoded as follows: \a alert (bell) ...
Clearly, the objective is to remove the directory prefix from the pathname. The following line will do it: bannername=${pathname##*/} This solution is similar to the first line in the examples shown before. Ifpathnamewere just a filename, the pattern*/(anything followed by a slash) would...