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zshrc: second attempt to make screen message not break
author Augie Fackler <raf@durin42.com>
date Wed, 30 Jan 2013 20:11:46 -0600
parents 1936d9f48e0b
children b78aa03c0c00
comparison
equal deleted inserted replaced
321:e9932cf1692f 322:a7f5b0526a51
7 # Login greeting ------------------ 7 # Login greeting ------------------
8 8
9 if [ ! "$SHOWED_SCREEN_MESSAGE" = "true" ]; then 9 if [ ! "$SHOWED_SCREEN_MESSAGE" = "true" ]; then
10 # Use /bin/which explicitly because we have a shell function 10 # Use /bin/which explicitly because we have a shell function
11 # that confuses the zsh built-in which. 11 # that confuses the zsh built-in which.
12 if env which screen > /dev/null; then 12 if sh -c 'which screen' > /dev/null; then
13 detached_screens=`screen -list | grep Detached | sed -e 's/ (Detached)//'` 13 detached_screens=`screen -list | grep Detached | sed -e 's/ (Detached)//'`
14 if [ ! -z "$detached_screens" ]; then 14 if [ ! -z "$detached_screens" ]; then
15 echo "+---------------------------------------+" 15 echo "+---------------------------------------+"
16 echo "| Detached screens are available: |" 16 echo "| Detached screens are available: |"
17 echo "$detached_screens" 17 echo "$detached_screens"