second

nvm.sh

@@ -134,17 +134,15 @@ nvm_download() {
     eval "curl -q --fail ${CURL_COMPRESSED_FLAG:-} ${CURL_HEADER_FLAG:-} ${NVM_DOWNLOAD_ARGS}"
   elif nvm_has "wget"; then
     # Emulate curl with wget
-    ARGS=$(nvm_echo "$@" | command sed "
-      s/--progress-bar /--progress=bar /
-      s/--compressed //
-      s/--fail //
-      s/-L //
-      s/-I /--server-response /
-      s/-s /-q /
-      s/-sS /-nv /
-      s/-o /-O /
-      s/-C - /-c /
-    ")
+    ARGS=$(nvm_echo "$@" | command sed -e 's/--progress-bar /--progress=bar /' \
+                            -e 's/--compressed //' \
+                            -e 's/--fail //' \
+                            -e 's/-L //' \
+                            -e 's/-I /--server-response /' \
+                            -e 's/-s /-q /' \
+                            -e 's/-sS /-nv /' \
+                            -e 's/-o /-O /' \
+                            -e 's/-C - /-c /')
 
     if [ -n "${NVM_AUTH_HEADER:-}" ]; then
       ARGS="${ARGS} --header \"${NVM_AUTH_HEADER}\""
@@ -1535,19 +1533,32 @@ nvm_ls() {
     fi
     if [ -n "${NVM_DIRS_TO_SEARCH1}${NVM_DIRS_TO_SEARCH2}${NVM_DIRS_TO_SEARCH3}" ]; then
       VERSIONS="$(command find "${NVM_DIRS_TO_SEARCH1}"/* "${NVM_DIRS_TO_SEARCH2}"/* "${NVM_DIRS_TO_SEARCH3}"/* -name . -o -type d -prune -o -path "${PATTERN}*" \
-        | command sed -e "
-            s#${NVM_VERSION_DIR_IOJS}/#versions/${NVM_IOJS_PREFIX}/#;
-            s#^${NVM_DIR}/##;
-            \\#^[^v]# d;
-            \\#^versions\$# d;
-            s#^versions/##;
-            s#^v#${NVM_NODE_PREFIX}/v#;
-            \\#${SEARCH_PATTERN}# !d;
-          " \
-          -e 's#^\([^/]\{1,\}\)/\(.*\)$#\2.\1#;' \
+        | command awk \
+            -v dir_iojs="${NVM_VERSION_DIR_IOJS}" \
+            -v iojs_prefix="versions/${NVM_IOJS_PREFIX}/" \
+            -v dir="${NVM_DIR}" \
+            -v search="${SEARCH_PATTERN}" \
+            -v node_prefix="${NVM_NODE_PREFIX}" '
+            {
+              sub(dir_iojs"/", iojs_prefix)
+              sub("^" dir "/", "")
+              if ($0 ~ /^[^v]/) next
+              if ($0 == "versions") next
+              sub(/^versions\//, "")
+              sub(/^v/, node_prefix"/v")
+              if ($0 !~ search) next
+              sub(/^([^/]+)\/(.*)$/, "\\2.\\1")
+              print
+            }
+          ' \
           | command sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n \
-        | command sed -e 's#\(.*\)\.\([^\.]\{1,\}\)$#\2-\1#;' \
-                      -e "s#^${NVM_NODE_PREFIX}-##;" \
+          | command awk -v node_prefix="${NVM_NODE_PREFIX}" '
+              {
+                sub(/^(.*)\.([^.]*)$/, "\\2-\\1")
+                sub("^" node_prefix"-", "")
+                print
+              }
+            '
           )"
     fi
   fi
@@ -2040,7 +2051,7 @@ nvm_print_implicit_alias() {
 
       nvm_is_zsh && setopt local_options shwordsplit
 
-      LAST_TWO="$($NVM_COMMAND | command awk '/^v/ { sub(/^v/, ""); split($0, parts, "\\."); short=parts[1]"."parts[2]; if (!seen[short]++) print short }')"
+      LAST_TWO=$($NVM_COMMAND | nvm_grep -e '^v' | command cut -c2- | command cut -d . -f 1,2 | uniq)
     ;;
   esac
   local MINOR
@@ -2757,19 +2768,13 @@ nvm_npm_global_modules() {
   local NPMLIST
   local VERSION
   VERSION="$1"
-  NPMLIST="$(nvm use "${VERSION}" >/dev/null && npm list -g --depth=0 2>/dev/null | command awk 'NR == 1 { next } /UNMET PEER DEPENDENCY/ { next } { print }')"
+  NPMLIST=$(nvm use "${VERSION}" >/dev/null && npm list -g --depth=0 2>/dev/null | command sed 1,1d | nvm_grep -v 'UNMET PEER DEPENDENCY')
 
   local INSTALLS
-  INSTALLS="$(nvm_echo "${NPMLIST}" | command awk '
-      / -> /         { next }
-      /\(empty\)/    { next }
-      /^npm@/        { next }
-      { sub(/^.* (.*@[^ ]*).*/,"\\1"); if (length($0) > 0) print }
-    ' | command xargs
-  )"
+  INSTALLS=$(nvm_echo "${NPMLIST}" | command sed -e '/ -> / d' -e '/\(empty\)/ d' -e 's/^.* \(.*@[^ ]*\).*/\1/' -e '/^npm@[^ ]*.*$/ d' | command xargs)
 
   local LINKS
-  LINKS="$(nvm_echo "${NPMLIST}" | command awk '/ -> / { sub(/.* -> /,""); print } ')"
+  LINKS="$(nvm_echo "${NPMLIST}" | command sed -n 's/.* -> \(.*\)/\1/ p')"
 
   nvm_echo "${INSTALLS} //// ${LINKS}"
 }