utils-std

commit: 590f14ac6dd5c9e2f2cf73e39659ce11646077c0
parent 3472487833d7fe6e1501c28c0b7677d26143caab
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 17 Jan 2025 08:12:37 +0100

cmd/shuf: handle "-" argument

Diffstat:
M
cmd/cat.1
4
+++-
M
cmd/shuf.1
4
+++-
M
cmd/shuf.c
7
+++++++

3 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/cmd/cat.1 b/cmd/cat.1
@@ -18,7 +18,9 @@ reads each
 in sequence and writes it on the standard output.
 If no
 .Ar file
-is given,
+is given or if
+.Ar file is
+.Qq - ,
 .Nm
 reads from the standard input.
 .Sh OPTIONS
diff --git a/cmd/shuf.1 b/cmd/shuf.1
@@ -24,7 +24,9 @@ reads each
 in sequence and writes it on the standard output with some shuffling applied to each line.
 If no
 .Ar file
-is given,
+is given or if
+.Ar file is
+.Qq - ,
 .Nm
 reads from the standard input.
 .Sh OPTIONS
diff --git a/cmd/shuf.c b/cmd/shuf.c
@@ -175,6 +175,13 @@ main(int argc, char *argv[])
 	{
 		for(int i = 0; i < argc; i++)
 		{
+			if(strncmp(argv[i], "-", 2) == 0)
+			{
+				if(shuf(stdin, "<stdin>") != 0) return 1;
+
+				continue;
+			}
+
 			FILE *in = fopen(argv[i], "r");
 
 			if(shuf(in, argv[i]) != 0)