_NAMESTARTARCH_() { # ${@%/} removes trailing slash DARCH="$(echo "${ROOTDIR%/}" |sed 's#//*#/#g')" if [[ "$DARCH" = "/arch" ]] then AARCH="" STARTBI2=arch else AARCH="$(echo "$DARCH" |sed 's/\//\+/g')" STARTBI2=arch fi declare -g START...
# 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...
1. bash builtin commands(fedora38-GNU Bash 5.2) BASH_BUILTINS(1) General Commands Manual BASH_BUILTINS(1)23NAME4:, ., [, alias, bg, bind, break, builtin, caller, cd, command, compgen, complete, compopt, continue, declare, dirs, disown,echo,5enable, eval, exec, exit, export,false...
If a word begins with a tilde character (`~'), all of the characters preceding the first slash (or all characters, if there is no slash) are treated as a possible login name. If this login name is the null string, the tilde is replaced with the value of the parameter HOME. If ...
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 ...
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) ...
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...
First, use nvm unload to remove the nvm command from your terminal session and delete the installation directory: $ nvm_dir="${NVM_DIR:-~/.nvm}" $ nvm unload $ rm -rf "$nvm_dir" Edit ~/.bashrc (or other shell resource config) and remove the lines below: export NVM_DIR="$HOME...
First, use nvm unload to remove the nvm command from your terminal session and delete the installation directory:$ nvm_dir="${NVM_DIR:-~/.nvm}" $ nvm unload $ rm -rf "$nvm_dir"Edit ~/.bashrc (or other shell resource config) and remove the lines below:export NVM_DIR="$HOME/.nvm...