Nasal-Interpreter/tools/search_file.nas

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use std.file;
use std.padding;
use std.process_bar;
use std.io;
use std.math;
var tips = func() {
println("usage:");
println(" nasal search_file.nas [key]");
}
if (size(arg)<1) {
println("need a key string to search files.");
tips();
exit(-1);
} else if (size(arg)>1) {
println("too many arguments.");
tips();
exit(-1);
}
var needle = arg[0];
var result = [];
var all_files = file.recursive_find_files_flat(".");
sort(all_files, func(a, b) {return cmp(a, b)<=0;});
foreach(var f; all_files) {
var pos = find(needle, f);
if (pos == -1) {
continue;
}
var begin = substr(f, 0, pos);
var end = pos+size(needle)>=size(f)? "":substr(f, pos+size(needle), size(f));
var file_size = io.fstat(f).st_size;
var unit = " b";
if (file_size>1024) {
file_size/=1024;
unit = "kb";
}
if (file_size>1024) {
file_size/=1024;
unit = "mb";
}
if (file_size>1024) {
file_size/=1024;
unit = "gb";
}
file_size = int(file_size);
append(result, {
info: begin~"\e[95;1m"~needle~"\e[0m"~end,
size: file_size,
unit: unit
});
}
var max_len = 0;
foreach(var elem; result) {
var temp = size(str(elem.size)~" "~elem.unit);
max_len = math.max(max_len, temp);
}
foreach(var elem; result) {
var temp = padding.leftpad(str(elem.size)~" "~elem.unit, max_len);
println(temp, " | ", elem.info);
}
println("\n", size(result), " result(s).");