Revision 9305
Added by Aaron Marcuse-Kubitza over 11 years ago
| lib/sh/util.sh | ||
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# for unfiltered messages, the log_level is 0 (i.e. still output at verbosity=0) |
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# to view a message's log_level, count the # of + signs before it in the output |
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alias PS4_prefix_n='str="${PS4:0:1}" n=$1 repeat'
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fi # load new aliases |
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if self_being_included; then |
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# usage: in func: log++; ... OR log_local; "log++"; ... |
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# outside func: log++; ...; log-- |
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# before cmd: log++ cmd... |
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# without a cmd, "$@" expands to nothing and assignments are applied to caller |
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log++() { PS4="${PS4:0:1}$PS4" verbosity=$((verbosity-1)) "$@"; }
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log--() { PS4="${PS4#${PS4:0:1}}" verbosity=$((verbosity+1)) "$@"; }
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# "${@:2}" expands to all of $@ after *1st* arg, not 2nd ($@ indexes start at 1)
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log+() { PS4="$(PS4_prefix_n)$PS4" verbosity=$((verbosity-$1)) "${@:2}"; }
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log-() { PS4="${PS4:$1}" verbosity=$((verbosity+$1)) "${@:2}"; }
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log++() { log+ 1 "$@"; }
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log--() { log- 1 "$@"; }
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alias log_local='declare PS4="$PS4" verbosity="$verbosity"' |
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alias log+='log_local; "log+" ' # last space alias-expands next word |
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alias log-='log_local; "log-" ' # last space alias-expands next word |
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alias log++='log_local; "log++" ' # last space alias-expands next word |
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alias log--='log_local; "log--" ' # last space alias-expands next word |
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Also available in: Unified diff
lib/sh/util.sh: logging: added log+/-, which take a variable log_level step, and use them in log++/--