marcusconsulting/docker-skeleton
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Improvements in .templates/bin scripts:

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* obsolescent egrep calls have removed;
* /usr/local/bin has been added to PATH for cron calls.
This commit is contained in:
Kovács Zoltán
2026-05-04 15:18:28 +02:00
parent 9dab9d465d
commit 4e405a7f7a
7 changed files with 37 additions and 23 deletions
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.templates/bin/rotate_folder
+8 -6
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@@ -55,6 +55,8 @@
# Author: Kovács Zoltán <kovacs.zoltan@smartfront.hu>
# Kovács Zoltán <kovacsz@marcusconsulting.hu>
# License: GNU/GPL v3+ (https://www.gnu.org/licenses/gpl-3.0.en.html)
# 2026-05-04 v1.4
# mod: the obsolescent egrep calls have been changed to POSIX grep -E calls.
# 2025-09-15 v1.3
# fix: now correctly handles "zero elements to keep" directives.
# 2025-08-12 v1.2
@@ -127,7 +129,7 @@ done
# Checks the dependencies.
TR=$(which tr 2>/dev/null)
if [ -z "$TR" ]; then echo "$MSG_MISSINGDEP tr."; exit 1 ; fi
for item in basename date dirname egrep sed seq sort stat xargs
for item in basename date dirname grep sed seq sort stat xargs
do
if [ -n "$(which $item)" ]
then export $(echo $item | "$TR" '[:lower:]' '[:upper:]')=$(which $item)
@@ -219,11 +221,11 @@ function rotate_class {
if [ -z "$CLASSES_PATTERN" ]; then
# All non-hidden files but no subfolders, symlinks, etc.
files=$(cd "$BACKUP_FOLDER"; \
ls -1 -t --file-type | "$XARGS" -0 | "$EGREP" -v '[/=>@|$]$' )
ls -1 -t --file-type | "$XARGS" -0 | "$GREP" -E -v '[/=>@|$]$' )
else
# Non-hidden files (but no subfolders, symlinks, etc.) matching to the pattern.
files=$(cd "$BACKUP_FOLDER"; \
ls -1 -t --file-type | "$XARGS" -0 | "$EGREP" "$CLASSES_PATTERN" )
ls -1 -t --file-type | "$XARGS" -0 | "$GREP" -E "$CLASSES_PATTERN" )
fi
# Lack of files gives it up here.
[[ -z "$files" ]] && return
@@ -401,7 +403,7 @@ function rotate_classes {
# Tries to validate the pattern.
# Test calls simulate the later use.
if [ -n "$CLASSES_PATTERN" ]; then
echo "test" | "$EGREP" "$CLASSES_PATTERN" >/dev/null 2>&1
echo "test" | "$GREP" -E "$CLASSES_PATTERN" >/dev/null 2>&1
[[ $? -gt 1 ]] && return # unusable
fi
# Does contain unexplored classifiers?
@@ -413,7 +415,7 @@ function rotate_classes {
# Needs further exploring.
# Non-hidden files (but no subfolders, symlinks, etc.) matching to the pattern.
local files=$(cd "$BACKUP_FOLDER"; \
ls -1 -t --file-type | "$XARGS" -0 | "$EGREP" "$CLASSES_PATTERN" )
ls -1 -t --file-type | "$XARGS" -0 | "$GREP" -E "$CLASSES_PATTERN" )
# Selects the qualifier substrings which actually have matching files.
local classes=$(echo -e "$files" | "$SED" -E "s/$CLASSES_PATTERN/\1/" | "$SORT" -u)
# Enumerates these qualifiers.
@@ -434,7 +436,7 @@ if [ -z "$CLASSES_PATTERN" ]; then
rotate_class
else
# Tries to validate the pattern (loosely).
echo "test" | "$EGREP" "$CLASSES_PATTERN" >/dev/null 2>&1
echo "test" | "$GREP" -E "$CLASSES_PATTERN" >/dev/null 2>&1
[[ $? -gt 1 ]] && echo -e "$MSG_BADPATTERN $CLASSES_PATTERN" >&2 && exit 1
# Seems to be valid, go on!
rotate_classes "$CLASSES_PATTERN"