✨ Added counterpart to xtract, xpress

scripts/xpress

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# Error handling
+set -e
+
+# For styling/colorizing output
+txtbld=$(tput bold)
+txtblue=${txtbld}$(tput setaf 4)
+txtgreen=${txtbld}$(tput setaf 2)
+txtred=${txtbld}$(tput setaf 1)
+txtyellow=${txtbld}$(tput setaf 3)
+txtwhite=${txtbld}$(tput setaf 7)
+
+
+# To be implemented:
+# dependencies=("echo" "sed" "tar" "zip" "bzip2" "gzip" "gunzip" "pax" "7z" "ar" "cpio" "brotli" "lzip" "rzip" "xz" "zstd")
+
+# Main Dependency check
+dependencies=("echo" "sed" "tput")
+numdependencies=3
+missingdependencies=0
+for ((i = 0; i < numdependencies; i++)) ;
+do
+    if ! command -v "${dependencies[$i]}" &> /dev/null
+    then
+        echo "${txtred}dependency not met: ${dependencies[$i]}${txtwhite}"
+        missingdependencies=$((missingdependencies+1))
+    fi
+done
+
+# Intro Prompt
+echo "${txtgreen}xpress: a simple shell script for compressing common file formats"
+
+# Reset output style
+tput bold & tput setaf 7
+
+# grabs the extension string
+extension=$(echo "${1}" | sed 's/^[^\..:]*[\..]//')
+
+# grabs the filename/directoryname string
+fdname=$(echo "${1}" | sed 's/\..*$//')
+
+# Simply copy and paste, changing extension string and extraction method below
+if [ "${extension}" == "tgz" ] ; then
+    # Dependency check
+    dependencies=("echo" "tar" "gzip")
+    numdependencies=3
+    missingdependencies=0
+    for ((i = 0; i < numdependencies; i++)) ;
+    do
+        if ! command -v "${dependencies[$i]}" &> /dev/null
+        then
+            echo "${txtred}dependency not met: ${dependencies[$i]}${txtwhite}"
+            missingdependencies=$((missingdependencies+1))
+        fi
+    done
+
+    if [ $missingdependencies -gt 0 ] ; then
+        echo "${txtred}Please install needed dependencies${txtwhite}"
+        exit 1
+    fi
+
+    echo "${txtblue}compressing .tgz...${txtyellow}"
+    # main extraction method
+    tar -cvzf "${1}" "${fdname}" &> /dev/null
+    echo ".tgz compression finished!${txtwhite}"
+fi

scripts/xtract

@@ -52,6 +52,11 @@ if [ "${extension}" == "tgz" ] ; then
         fi
     done
 
+    if [ $missingdependencies -gt 0 ] ; then
+        echo "${txtred}Please install needed dependencies${txtwhite}"
+        exit 1
+    fi
+
     echo "${txtblue}decompressing .tgz...${txtyellow}"
     # main extraction method
     tar zxvf "${1}" &> /dev/null