utils-std

commit: a952e5be0a75ee5d8cce4008ccff44b2a9050c8e
parent b6d5e3388916b2f608a91a94965cecab7d5886b2
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 12 Apr 2024 02:04:10 +0200

cmd/yes: new

Diffstat:
M
.gitignore
1
+
M
Makefile
7
+++++--
A
cmd/yes
13
+++++++++++++
A
cmd/yes.1
30
++++++++++++++++++++++++++++++
A
test-cmd/yes.t
26
++++++++++++++++++++++++++

5 files changed, 75 insertions(+), 2 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -4,6 +4,7 @@
 /config.mk
 /target_filter
 /cmd/*
+!/cmd/yes
 !/cmd/*.c
 !/cmd/*.ha
 !/cmd/*.1
diff --git a/Makefile b/Makefile
@@ -3,6 +3,9 @@
 
 include config.mk
 
+# Commands implemented as scripts
+SCRIPTS=cmd/yes
+
 all: $(EXE) $(MAN1SO)
 
 .c:
@@ -29,7 +32,7 @@ check-libs: $(TEST_LIBS)
 
 .PHONY: lint
 lint: $(MAN1SO)
-	$(SHELLCHECK) ./configure ./test_functions.sh
+	$(SHELLCHECK) ./configure ./test_functions.sh $(SCRIPTS)
 	${FLAWFINDER} --minlevel=3 --error-level=4 .
 	$(MANDOC) -Tlint -Wunsupp,error,warning $(MAN1)
 	$(REUSE) lint --quiet
@@ -41,7 +44,7 @@ clean:
 
 install: all
 	mkdir -p ${DESTDIR}${BINDIR}/
-	cp -p ${EXE} ${DESTDIR}${BINDIR}/
+	cp -p ${EXE} ${SCRIPTS} ${DESTDIR}${BINDIR}/
 	mkdir -p ${DESTDIR}${MANDIR}/man1
 	cp -p ${MAN1} ${DESTDIR}${MANDIR}/man1
 
diff --git a/cmd/yes b/cmd/yes
@@ -0,0 +1,13 @@
+#!/bin/sh
+# utils-std: Collection of commonly available Unix tools
+# SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
+# SPDX-License-Identifier: MPL-2.0
+
+die() {
+	echo "yes: $@" >&2
+	exit 1
+}
+
+while true; do
+	echo "${@:-y}" || die "Write error"
+done
diff --git a/cmd/yes.1 b/cmd/yes.1
@@ -0,0 +1,30 @@
+.\" utils-std: Collection of commonly available Unix tools
+.\" Copyright 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
+.\" SPDX-License-Identifier: MPL-2.0
+.Dd 2024-04-12
+.Dt YES 1
+.Os
+.Sh NAME
+.Nm yes
+.Nd output a string repeatedly
+.Sh SYNOPSIS
+.Nm
+.Op Ar string ...
+.Sh DESCRIPTION
+The
+.Nm
+utility repeatedly prints
+.Ar string
+or by default 'y'.
+.Sh EXIT STATUS
+.Ex -std
+.Sh SEE ALSO
+.Xr echo 1
+.Sh STANDARDS
+None known.
+.Sh HISTORY
+The
+.Nm
+command appeared in Version 7 AT&T UNIX.
+.Sh AUTHORS
+.An Haelwenn (lanodan) Monnier Aq Mt contact+utils@hacktivis.me
diff --git a/test-cmd/yes.t b/test-cmd/yes.t
@@ -0,0 +1,26 @@
+#!/usr/bin/env cram
+# SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
+# SPDX-License-Identifier: MPL-2.0
+
+  $ export PATH="$TESTDIR/../cmd:$PATH"
+
+  $ test "$(command -v yes)" = "$TESTDIR/../cmd/yes"
+
+  $ yes | head -3
+  y
+  y
+  y
+  $ yes foo | head -4
+  foo
+  foo
+  foo
+  foo
+  $ yes $'foo\nbar\n' | head -5
+  foo
+  bar
+  
+  foo
+  bar
+  $ yes >/dev/full
+  yes: Write error
+  [1]