create aliases if which

diff --git a/etc/profile.d/aliases b/etc/profile.d/aliases
index 18744a260dccf57107493d497b8ad547f4a7becc..62dd7d070a0391f0fac2edac2e421fe3854c862e 100644 (file)
--- a/etc/profile.d/aliases
+++ b/etc/profile.d/aliases
@@ -8,16 +8,15 @@
 #--------------------------------------------------------------------------------
 # Others
 #
-alias uuid-hds='blkid -o full -s UUID'
-# NB 20.05.15 alias myip='lynx --dump --source http://www.ipchicken.com/ | sed -ne "s/^.*[^0-9]\(\([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*$/\1/p"'
-alias dpkg-sort-size="dpkg-query -W --showformat='${Installed-Size;10}\t${Package}\n' | sort -k1,1nr"
-alias password-gener='apg -m 12 -x 12 -a 0 -M L|head -1;'
-alias mysqlshow-view="mysql -e \"SHOW FULL TABLES WHERE TABLE_TYPE LIKE 'VIEW'\""
-alias nmap-ping="nmap -sP -PE -PS443 -PA21,22,23,80,3389"
-alias arp-list="arp -an"
-alias pdf2jpegs='gs -dNOPAUSE -sDEVICE=jpeg -dFirstPage=1 -dLastPage=5 -sOutputFile=pdf2jpegs%d.jpg -dJPEGQ=100 -r500 -c quit'
-alias nb-maildir-make="maildirmake -S Maildir; for d in Spam Trash Sent;do maildirmake -f $d Maildir; done"
 alias grep='grep --color=auto'
+which blkid &>/dev/null alias uuid-hds='blkid -o full -s UUID'
+alias dpkg-sort-size="dpkg-query -W --showformat='${Installed-Size;10}\t${Package}\n' | sort -k1,1nr"
+which apg &>/dev/null && alias password-gener='apg -m 12 -x 12 -a 0 -M L|head -1;'
+which mysql &>/dev/null && alias mysqlshow-view="mysql -e \"SHOW FULL TABLES WHERE TABLE_TYPE LIKE 'VIEW'\""
+which nmap &>/dev/null && alias nmap-ping="nmap -sP -PE -PS443 -PA21,22,23,80,3389"
+which arp &>/dev/null && alias arp-list="arp -an"
+which gs &>/dev/null && alias pdf2jpegs='gs -dNOPAUSE -sDEVICE=jpeg -dFirstPage=1 -dLastPage=5 -sOutputFile=pdf2jpegs%d.jpg -dJPEGQ=100 -r500 -c quit'
+which maildirmake &>/dev/null && alias nb-maildir-make="maildirmake -S Maildir; for d in Spam Trash Sent;do maildirmake -f $d Maildir; done"
 
 #[ "$UID" = "0" ] && grep -q '^_\?postgres:' /etc/passwd && alias psql='sudo -u postgres psql'