47 lines
846 B
Bash
Executable File
47 lines
846 B
Bash
Executable File
#!/bin/sh
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FILES_DIR="$HOME/files"
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ARCHIVE_DIR="$FILES_DIR/4in1-old-versions"
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fatal() {
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>&2 echo "error: $@"
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exit 1
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}
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get_modification_time() {
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file_path="$1"
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if [ ! -e "$file_path" ]; then
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fatal "file not found: $file_path"
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fi
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mod_time=$(stat -c "%Y" "$file_path")
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formatted_mod_time=$(date -d "@$mod_time" "+%Y-%m-%d")
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echo "$formatted_mod_time"
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}
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usage() {
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>&2 echo "usage: $0 <filename> en|ru"
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}
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[ $# -ne 2 ] && { usage; exit 1; }
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INPUT="$1"
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LANG="$2"
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case $LANG in
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en|ru) : ;;
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*) fatal "invalid language" ;;
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esac
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target_file="$FILES_DIR/4in1-$LANG.pdf"
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old_date="$(get_modification_time "$INPUT")"
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[ -d "$ARCHIVE_DIR" ] || {
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mkdir "$ARCHIVE_DIR"
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chmod 755 "$ARCHIVE_DIR"
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chgrp www-data "$ARCHIVE_DIR"
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}
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mv "$target_file" "$ARCHIVE_DIR/4in1-$LANG-$old_date.pdf"
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mv "$INPUT" "$target_file" |