0.2r1 - Verification of compression systems

lch

@@ -1,5 +1,5 @@
 #!/bin/bash
-VERSION=0.1r8
+VERSION=0.2r1
 DEST=$1
 shift 1
 ORIG=$@
@@ -10,10 +10,10 @@ function decompressor()
         *.tar)
             tar -xvf $DEST
         ;;
-        *.tar.gz | *.tgz)  
+        *.tar.gz | *.tgz)
             tar -xzvf $DEST
         ;;
-        *.tar.bz2 | *.tbz | *.tbz2 | *.tb2) 
+        *.tar.bz2 | *.tbz | *.tbz2 | *.tb2)
             tar xjf $DEST
         ;;
         *.tar.xz | *.txz)
@@ -21,17 +21,17 @@ function decompressor()
         ;;
         *.bz2)
             bzip2 -d $DEST
-        ;;        
+        ;;
         *.gz)
             gzip -d $DEST
         ;;
         *.zip)
             unzip $DEST
         ;;
-        *.7z)      
+        *.7z)
             7za e $DEST
         ;;
-        *)  
+        *)
             echo "Extension not found."
             echo "For more information run 'lch --help'"
             echo ""
@@ -49,7 +49,7 @@ function compressor()
         *.tar)
             tar -cvf $DEST $ORIG
         ;;
-        *.tar.gz | *.tgz)  
+        *.tar.gz | *.tgz)
             tar -czvf $DEST $ORIG
         ;;
         *.tar.bz2 | *.tbz | *.tbz2 | *.tb2)
@@ -57,20 +57,20 @@ function compressor()
         ;;
         *.tar.xz | *.txz)
             tar -cJf $DEST $ORIG
-        ;;        
+        ;;
         *.bz2)
-            bzip2 -c $ORIG > $DEST            
+            bzip2 -c $ORIG > $DEST
         ;;
         *.gz)
-            gzip -c $ORIG > $DEST            
+            gzip -c $ORIG > $DEST
         ;;
         *.zip)
             zip -r $DEST $ORIG
         ;;
-        *.7z)      
+        *.7z)
             7za a $DEST $ORIG
         ;;
-        *)  
+        *)
             echo "Extension not found."
             echo "For more information run 'lch --help'"
             echo ""
@@ -83,16 +83,16 @@ function compressor()
 }
 
 function help()
-{   
- #   echo "" 
+{
     echo "Help:"
     echo "-----"
     echo ""
-    echo "lch [-h] [-v] [FILE [FILE]]"
+    echo "lch [-h] [-v] [-c] [FILE [FILE]]"
     echo ""
     echo "Examples:"
     echo "$ lch -h                      -This help"
     echo "$ lch -v                      -print version"
+    echo "$ lch -c                      -check compresion systems"
     echo "$ lch file.zip /home/file     -Compress"
     echo "$ lch file.zip                -Decompress"
     echo ""
@@ -103,12 +103,45 @@ function help()
     echo ""
 }
 
+function check()
+{
+    local a=false
+    echo "Verification of compression systems:"
+    echo ""
+    echo -e "Systems\t\t\tStatus"
+    echo "----------------------------------"
+    for i in "tar" "bzip2" "gzip" "zip" "7za"
+    do
+        if ! [ -x "$(command -v $i)" ]
+        then
+            echo -e "$i\t\t\t\e[91mNot Installed\e[0m"
+            $a = true
+        else
+            echo -e "$i\t\t\t\e[32mInstaled\e[0m"
+        fi
+    done
+
+    if $a
+    then
+        echo ""
+        echo "In order to use all the extensions install the packages: tar, bzip2, gzip, zip, 7za"
+    fi
+    echo ""
+    exit 0
+}
+
 if [ "$DEST" = "--help" ] || [ "$DEST" = "-h" ]
 then
     help
     exit 0
 fi
 
+if [ "$DEST" = "--check" ] || [ "$DEST" = "-c" ]
+then
+    check
+    exit 0
+fi
+
 if [ "$DEST" = "--version" ] || [ "$DEST" = "-v" ]
 then    
     echo "Linux Compression Humanized $VERSION"

lch.1

@@ -11,7 +11,7 @@ simplicity in mind. Automatically select the compression format by file
 extension.
 
     Supported extensions:
-    
+
     tar, tar.gz, tar.bz2, tar.xz, bz2, tgz, gz, zip, 7z
 
 .SH OPTIONS
@@ -21,6 +21,10 @@ Help: show syntax.
 .TP
 \fI\-v, \-\-version\fP
 Print current version.
+.TP
+\fI\-c, \-\-check\fP
+Print a check the compressors installed.
+
 
 .SH EXAMPLES
 
@@ -36,6 +40,6 @@ will compress foobar1/ and foobar2/ in foobar.tar.gz
 Report your bugs at <gore@hatthieves.es>
 
 .SH AUTHOR
-\fBlch\fP are by Gustavo Adolfo Mesa Roldan <gore@hackthieves.es.>
+\fBlch\fP are by Gustavo Adolfo Mesa Roldan <gore@hackthieves.es>
 
 This document is by radikal <radikal@disroot.org>.