gopher.sh: support for ImageUtils.sh

[gofetch.git] / gopher.sh

diff --git a/gopher.sh b/gopher.sh
index 0042756538be4be9758e701ce79fe04c462b2b0a..e433ac0a620c093acc9b39a423efaf437c669803 100755 (executable)
--- a/gopher.sh
+++ b/gopher.sh
@@ -1,6 +1,17 @@
 #!/bin/sh
 
+# $0 [server] ([selector]) ([port]) ([mode])
+#      server: the gopher server to dig to
+#      selector: the gopher selector (default is empty)
+#      port: the port to use (default is 70)
+#      mode: the filetype mode (default depends upon selector)
+#              0: plain text
+#              1: menu (dir-like)
+#              ...
+#              download: fake mode to download the result without changes
+
 # ENV variables:
+#      LESS: will be used with 'less' (think: "export LESS=-r")
 #      LINK_COLOR: escape sequences colour (def: 2)
 #              - : means no escape sequence
 #              1 : means colour 1
@@ -36,23 +47,29 @@ if [ "$LINK_COLOR" != "-" ]; then
        EL="`tput init`";
 fi
 
+PREFIX="[0-9h]"
+
 # $0 [FILE]
 # Display a gopher menu for the given resource
 cat_menu() {
        i=0
-       cat "$1" | grep '^[i0-9]' | while read ln; do
+       cat "$1" | grep "^i\|^$PREFIX" | while read ln; do
                ln="`echo "$ln" | cut -f1`"
                if echo "$ln" | grep "^i" >/dev/null 2>&1; then
                        echo "$ln" | sed "s:^.: :g"
-               elif echo "$ln" | grep "^[0-9]" >/dev/null 2>&1; then
+               elif echo "$ln" | grep "^$PREFIX" >/dev/null 2>&1; then
                        i=`expr $i + 1`
                        i=`printf %2.f $i`
                        field="`echo "$ln" | cut -c1`"
                        case "$field" in
                                0) typ='TXT';;
-                               1) typ='DIR';;
-                               7) typ='(?)';;
-                               8) typ='TEL';;
+                               1) typ='DIR';; # menu, actually
+                               7) typ='(?)';; # query
+                               8) typ='TEL';; # TELnet (not TELephone)
+                               h) typ='WEB';; # HTML
+                               g) typ='GIF';;
+                               I) typ='IMG';;
+                               +) typ='SVR';; # redundant server
                                *) typ='!!!';;
                        esac
                        echo "$ln" | sed "s:^.\\(.*\\):$typ $i  $SL\\1$EL:g"
@@ -71,12 +88,13 @@ cat_menu() {
 #      3 = server
 #      4 = port
 getsel() {
-       cat "$1" | grep '^[0-9]' | tail -n+"$2" | head -n 1 | cut -f"$3"
+       cat "$1" | grep "^$PREFIX" | tail -n+"$2" | head -n 1 | cut -f"$3"
 }
 
+# Save page content to 'tmp' file
 tmp="`mktemp -t gofetch.current_page.XXXXXX`"
 finish() {
-  rm -rf "$tmp"
+  rm -rf "$tmp" "$tmp.jpg"
 }
 trap finish EXIT
 
@@ -86,7 +104,12 @@ else
        echo "$SELECTOR" | nc "$SERVER" "$PORT" > "$tmp"
 fi
 
+# Process page content
 case "$MODE" in
+download)
+       # Special, fake mode, only from top-level
+       cat "$tmp"
+;;
 0)
        cat "$tmp" | less
 ;;
@@ -118,6 +141,24 @@ case "$MODE" in
 9)
        echo "<BINARY FILE>" | less
 ;;
+g|I)
+       if convert -h >/dev/null 2>&1; then
+               if ImageUtils.sh --help >/dev/null 2>&1; then
+                       ImageUtils.sh --mode=DITHERING \
+                               --width=74 "$tmp" | less
+               elif jp2a -h >/dev/null 2>&1; then
+                       convert "$tmp" "$tmp.jpg"
+                       jp2a --border --chars=" .-+=o8#"\
+                               --width=74 "$tmp.jpg" | less
+               else
+                       echo "required program not found to view images:" \
+                               jp2a or ImageUtils.sh | less
+               fi
+       else
+               echo "required program not found to view images: convert" \
+                       | less
+       fi
+;;
 *)
        echo "unknwon selector mode: <$MODE>" | less
        exit 3