27 lines
890 B
Bash
27 lines
890 B
Bash
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#!/bin/bash
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# produces a tabular output of all executables as found over the $PATH environment variable
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# - output format: [1-based index of $PATH entry]:[$PATH entry]:[name of the executable]
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# - e.g. 6:/bin:bash
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# - the first argument (if given) is used as alternative to $PATH (e.g. for testing purposes)
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# usage: ./get-exec-list-arg.sh # examines $PATH
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# usage: ./get-exec-list-arg.sh "$PATH" # equivalent to the above call
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# usage: ./get-exec-list-arg.sh ".:~/bin" # examines the current directory (.) and ~/bin
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# argument handling
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path="$1"
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[ -n "$path" ] || path="$PATH"
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# input-field-separator: tells the shell to split in the 'for' loop the $var by ":"
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IFS=":"
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for p in $path
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do
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i=$((i+1))
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[ -n "$p" ] || p="."
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if [ -d "$p" ] && [ -x "$p" ]
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then
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find -L "$p" -maxdepth 1 -type f -executable -printf "$i:%h:%f\n" 2>/dev/null
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fi
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done
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