initial commit: make-permanently, pdiff, screen-rv0.0

5 files changed, 184 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4b04d5c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+make-permanently
+pdiff
+screen-r
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9cf3be2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,55 @@
+#
+#  even-more-utils - utils even missing from moreutils
+#
+#  Copyright (c) 2021 Erich Eckner <opensource at eckner dot net>
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+#  USA.
+#
+
+DESTDIR	 =
+BINDIR	 = /usr/bin
+
+VERSION  = 0.0
+BINS=make-permanently pdiff screen-r
+
+all: $(BINS)
+
+%: %.in
+	sed " \
+		s/#VERSION#/$(VERSION)/; \
+		s@#BINDIR#@$(BINDIR)@; \
+		s@#HELPTEXT#\(\s\+\)#@  --help   \1display this help and exit\n  --version\1display version and exit@; \
+		" $< > $@
+	[ -z "${@%%*.*}" ] || chmod +x "$@"
+
+.PHONY:	install dist clean
+
+install: all
+	install -D -m0755 -t $(DESTDIR)$(BINDIR) $(BINS)
+
+clean:
+	ls -A | \
+		grep "^\($(shell sed 's|\.|\\.|; s|\*|.*|; s|$$|\\|' .gitignore | tr '\n' '\|')\)\$$" | \
+		xargs -r rm
+
+dist: clean
+	git status --porcelain 2> /dev/null | grep -q "\S" && (git add .; git commit -m"neue Version: $(VERSION)") || true
+	! git tag -d v$(VERSION) 2> /dev/null
+	git tag v$(VERSION)
+	git push
+	git push --tags
+
+# End of file
diff --git a/make-permanently.in b/make-permanently.in
new file mode 100755
index 0000000..659517a
--- /dev/null
+++ b/make-permanently.in
@@ -0,0 +1,86 @@
+#!/bin/sh
+
+# part of even-more-utils, version #VERSION#
+
+# run make as soon as needed
+
+if [ "x$1" = 'x-r' ]; then
+  recursive=true
+  shift
+else
+  recursive=false
+fi
+
+make "$@"
+
+while true; do
+  if ${recursive}; then
+    inotifywait -e DELETE_SELF,CLOSE_WRITE -r * || break
+  else
+    make_content=$(
+      sed '
+        :a
+          \/\\$/ {
+            N
+            s/\\\n//
+            ta
+          }
+        /^\(\s\|$\)/d
+      ' 'Makefile' \
+      | while read -r line; do
+        if [ -z "${line##\$(foreach *,*,*)*}" ]; then
+          line="${line#\$(foreach }"
+          var="${line%%,*}"
+          line="${line#${var}*,}"
+          runs="${line%,*}"
+          line="${line#${runs},}"
+          body="${line%%)*}"
+          line="${line#${body})}"
+          while [ $(printf '%s\n' "${body}" | tr -d '\n' | tr ')' '\n' | wc -l) -lt $(printf '%s\n' "${body}" | tr -d '\n' | tr '(' '\n' | wc -l) ] \
+          && [ -z "${line##*)*}" ]; do
+            new_body="${line%%)*}"
+            body="${body})${new_body}"
+            line="${line#${new_body})}"
+          done
+          for s in ${runs}; do
+            printf '%s' "${body}" \
+            | sed '
+              s#\$('"${var}"')#'"${s}"'#g
+            '
+          done \
+          | sed '
+            s/^\s\+//
+            s/\s\+$//
+          '
+        fi
+        printf '%s\n' "${line}"
+      done
+    )
+    substs=$(
+      printf '%s\n' "${make_content}" \
+      | sed '
+        s/^\([^[:space:]=]\+\)=\(.*\)$/s@\1@ \2 @g;\n/
+        t
+        d
+      '
+    )
+    watch_files=$(
+      printf '%s\n' "${make_content}" \
+      | sed "${substs}" \
+      | sed -n '
+        s/^\S.*: //
+        T
+        y/ /\n/
+        p
+      ' \
+      | sed '
+        /^\s*$/d
+        y/%/*/
+      ' \
+      | xargs -r readlink -f \
+      | sort -u
+    )
+    inotifywait -e DELETE_SELF,CLOSE_WRITE $(find ${watch_files} -type f) || break
+  fi
+  make "$@"
+done
diff --git a/pdiff.in b/pdiff.in
new file mode 100755
index 0000000..0483d2c
--- /dev/null
+++ b/pdiff.in
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# part of even-more-utils, version #VERSION#
+
+# diff with pipes
+
+if [ $# -lt 3 ]; then
+  >&2 echo 'usage:'
+  >&2 echo 'pdiff file1 file2 pipe_command [options to diff]'
+  exit 1
+fi
+
+file_one="$1";
+file_two="$2";
+pipe_cmd="$3";
+shift 3
+
+diff "$@" <(
+  cat "${file_one}" \
+  | bash -c "${pipe_cmd}"
+) <(
+  cat "${file_two}" \
+  | bash -c "${pipe_cmd}"
+)
diff --git a/screen-r.in b/screen-r.in
new file mode 100755
index 0000000..4306949
--- /dev/null
+++ b/screen-r.in
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# part of even-more-utils, version #VERSION#
+
+# iterate `screen -r` through all screen sessions
+
+for s in $(
+  screen -list "$@" \
+  | sed '
+    s/^\s\+\(\S\+\)\s.*$/\1/
+    t
+    d
+  '
+); do
+  screen -r "$s"
+done