89 lines
1.5 KiB
Plaintext
89 lines
1.5 KiB
Plaintext
#
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# .kshenv -- functions and aliases to provide the beginnings of a ksh
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# environment for bash.
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#
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# Chet Ramey
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# chet@ins.CWRU.Edu
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#
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#
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# These are definitions for the ksh compiled-in `exported aliases'. There
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# are others, but we already have substitutes for them: "history", "type",
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# and "hash".
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#
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alias r="fc -e -"
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alias functions="typeset -f"
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alias integer="typeset -i"
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alias nohup="nohup "
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alias true=":"
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alias false="let 0"
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#
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# An almost-ksh compatible `whence' command. This is as hairy as it is
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# because of the desire to exactly mimic ksh (whose behavior was determined
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# empirically).
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#
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# This depends somewhat on knowing the format of the output of the bash
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# `builtin type' command.
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#
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whence()
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{
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local vflag
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local path
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vflag=
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path=
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if [ "$#" = "0" ] ; then
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echo "whence: argument expected"
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return 1
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fi
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case "$1" in
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-v) vflag=1
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shift 1
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;;
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-*) echo "whence: bad option: $1"
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return 1
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;;
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*) ;;
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esac
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if [ "$#" = "0" ] ; then
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echo "whence: bad argument count"
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return 1
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fi
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for cmd
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do
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if [ "$vflag" ] ; then
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echo $(builtin type $cmd | sed 1q)
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else
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path=$(builtin type -path $cmd)
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if [ "$path" ] ; then
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echo $path
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else
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case "$cmd" in
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/*) echo ""
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;;
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*) case "$(builtin type -type $cmd)" in
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"") echo ""
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;;
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*) echo "$cmd"
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;;
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esac
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;;
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esac
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fi
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fi
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done
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return 0
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}
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#
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# For real ksh homeboy fanatics, redefine the `type' builtin with a ksh
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# version.
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#
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#type()
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#{
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# whence -v "$*"
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#}
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