ShellCheck can make suggestions to improve style: [[ -z $(find /tmp | grep mpg) ]]# Use grep -q insteada >>log; b >>log; c >>log# Use a redirection block insteadecho"The time is `date`"# Use $() insteadcddir; process *;cd..;# Use subshells insteadecho$[1+2]# Use sta...
@Iruvar,there are definitely releases of bash where it doesn't,and you get the text of the function call itself in EDOCX1 original 7.I'd need to research to find the details,but from a compatibility perspective,better to do the safe thing.(ASIDE:There's absolutely no value provided by ...
"string_length()" function calculates the length of the given string using ${#str} syntax. "substring_extraction()" function extracts a substring from the given string using the ${str:start:length} syntax. "string_concatenation()" function concatenates two strings using simple string concatenation...
n Repeat previous search, for N-th line containing the last pattern. If the previous search was modified by ^N, the search is made for the N-th line NOT containing the pattern. If the previous search was modified by ^E, the search continues in the next (or previous) file if not sat...
The $LINENO contains the line number in the script or shell function currently executing. ### Example script ### Filename: example-debug #!/usr/bin/env bash debug() { echo "Func BASH_SOURCE: ${!BASH_SOURCE[@]} ${BASH_SOURCE[@]}" echo "Func BASH_LINENO: ${!BASH_LINENO[@]} $...
on the other hand, leaves the first line at the margin and indents all subsequent lines. hanging indents are less common in programming, but you might see them in certain contexts, like multi-line comments or string literals. does block indent have any impact on the performance of my code?
# find will not truncate filenames containing spaces find $DIR -type f | while read file; do # using POSIX class [:space:] to find space in the filename if [[ "$file" = *[[:space:]]* ]]; then # substitute space with "_" character and consequently rename the file ...
"pattern1" and "pattern2": These are the patterns to search for. In this case, the command searches for lines containing either "pattern1" or "pattern2". filename.txt: This is the name of the file in which the search will be performed. ...
{} \; 路径名.一般都在find命令中使用.这不是一个shell内建命令. 注意: ";"用来结束find命令序列的-exec选项.[] test. test的表达式将在[]中. 值得注意的是[是shell内建test命令的一部分,并不是/usr/bin/test中的扩展命令 的一个连接.[[]] test. test表达式放在[[]]中.(shell关键字)...
git_log_empty_commits.sh - find empty commits in git history (eg. if a git filter-branch was run but --prune-empty was forgotten, leaking metadata like subjects containing file names or other sensitive info) git_log_me.sh - shows only commits in the Git log done by you. Useful to ...