mirror of
https://github.com/notwa/rc
synced 2024-11-13 20:39:04 -08:00
19 lines
563 B
Bash
Executable file
19 lines
563 B
Bash
Executable file
#!/usr/bin/env sh
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# YES_ZSH YES_BASH YES_DASH YES_ASH YES_BB_AWK
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similar() { ### @-
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### highlight adjacent lines up to the first inequivalent character.
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[ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }
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awk '
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{
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i=0
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for(c=1;c<length;c++)
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if(substr($0,c,1)==substr(L,c,1)) i++
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else break
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#print substr($0,1,i) "\033[7m" substr($0,i+1) "\033[0m"
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print "\033[31m" substr($0,1,i) "\033[0m" substr($0,i+1)
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L=$0
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}'
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}
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[ -n "${preload+-}" ] || similar "$@"
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