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tail: Default tail behavior with no arguments (#209)

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Make tail assume you wanted 10 lines of output if no -n option was provided.
This commit is contained in:
Ben Sloane 2019-06-06 14:28:58 -04:00 • committed by Andreas Kling
parent 908d9458c7
commit 9687f1801b
1 changed files with 4 additions and 0 deletions
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4
Userland/tail.cpp
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@ -7,6 +7,8 @@
#include <LibCore/CFile.h> #include <LibCore/CFile.h>
#include <LibCore/CArgsParser.h> #include <LibCore/CArgsParser.h>
#define DEFAULT_LINE_COUNT 10
int tail_from_pos(CFile& file, off_t startline, bool want_follow) int tail_from_pos(CFile& file, off_t startline, bool want_follow)
{ {
if (!file.seek(startline + 1)) if (!file.seek(startline + 1))
@ -95,6 +97,8 @@ int main(int argc, char *argv[])
args_parser.print_usage(); args_parser.print_usage();
return 1; return 1;
} }
} else {
line_count = DEFAULT_LINE_COUNT;
} }
CFile f(values[0]); CFile f(values[0]);