adding compress function

1 files changed, 75 insertions, 0 deletions

diff --git a/dotfiles/system/.profile.d/compress.sh b/dotfiles/system/.profile.d/compress.sh
new file mode 100644
index 0000000..0a9a7db
--- /dev/null
+++ b/dotfiles/system/.profile.d/compress.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+# Craig Jennings <c@cjennings.net>
+# convenience compression function
+
+compress () {
+	if [ $# -ne 2 ]; then
+		echo "Usage: compress <format> <file_or_directory>"
+		echo "Formats: tar.bz2, tar.gz, bz2, tar, tbz2, tgz, zip, gz, Z"
+		return 1
+	fi
+
+	format="$1"
+	target="$2"
+
+	if [ ! -e "$target" ]; then
+		echo "Error: '$target' does not exist"
+		return 1
+	fi
+
+	basename=$(basename "$target")
+
+	# Determine output filename first
+	case "$format" in
+		tar.bz2|tbz2) output="${basename}.tar.bz2" ;;
+		tar.gz|tgz)   output="${basename}.tar.gz" ;;
+		bz2)          output="${target}.bz2" ;;
+		gz)           output="${target}.gz" ;;
+		tar)          output="${basename}.tar" ;;
+		zip)          output="${basename}.zip" ;;
+		Z)            output="${target}.Z" ;;
+		*)
+			echo "Error: Unknown format '$format'"
+			return 1
+			;;
+	esac
+
+	# Check if output file already exists
+	if [ -e "$output" ]; then
+		printf "Warning: '%s' already exists. Overwrite? (y/N): " "$output"
+		read -r response
+		case "$response" in
+			[yY]|[yY][eE][sS])
+				rm -f "$output"
+				;;
+			*)
+				echo "Aborted."
+				return 1
+				;;
+		esac
+	fi
+
+	# perform the compression
+	case "$format" in
+		tar.bz2|tbz2) tar -cjf "$output" "$target" ;;
+		tar.gz|tgz)   tar -czf "$output" "$target" ;;
+		bz2)
+			[ -d "$target" ] && echo "Error: bz2 only works on files" && return 1
+			bzip2 -k "$target"
+			;;
+		gz)
+			[ -d "$target" ] && echo "Error: gz only works on files" && return 1
+			gzip -k "$target"
+			;;
+		tar)          tar -cf "$output" "$target" ;;
+		zip)
+			[ -d "$target" ] && zip -r "$output" "$target" || zip "$output" "$target"
+			;;
+		Z)
+			[ -d "$target" ] && echo "Error: Z only works on files" && return 1
+			compress -c "$target" > "$output"
+			;;
+	esac
+
+	[ $? -eq 0 ] && echo "✓ Created $output" || echo "✗ Compression failed"
+}