Revision 9192
Added by Aaron Marcuse-Kubitza over 11 years ago
| util.sh | ||
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## external commands |
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function command() # usage: [stderr_is_errors=1] command extern_cmd... |
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function command() |
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# usage: [stdout2stderr=1] [stderr_is_errors=1] [limit_stderr=1] command \ |
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# extern_cmd... |
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# to view only explicitly-displayed errors: explicit_errors_only=1 script... |
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{
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test "$cmd_echoed" || echo_run_prep |
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set -- -- "$@" # prepend -- so command name not treated as `command` option |
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set -- builtin command "$@" |
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if test "$stderr_is_errors"; then "$@" 2>&22 # ensure errors are visible |
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else "$@"; fi |
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( |
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if test "$limit_stderr"; then limit_stderr; fi |
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if test "$stderr_is_errors"; then exec 2>&22; fi # ensure errors visible |
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builtin command -- "$@" # -- so cmd name not treated as `command` option |
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) || return |
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} |
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# auto-echo common external commands |
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fi |
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### external command verbose output |
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limit_stderr_cmd() # usage: [stdout2stderr=1] limit_stderr_cmd cmd... |
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{
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case "$1" in command) echo_run_prep; local cmd_echoed=1;; esac |
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(limit_stderr; "$@") || return |
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} |
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alias limit_stderr_cmd='"limit_stderr_cmd" ' #last space alias-expands next word |
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alias limit_stdout_cmd='stdout2stderr=1 limit_stderr_cmd ' |
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# last space alias-expands next word |
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### external command input/output |
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# usage: cmd1 | { pipe_delay; cmd2; }
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Also available in: Unified diff
lib/sh/util.sh: merged limit_stderr_cmd/limit_stdout_cmd into command(), using flag vars to control what limiting actions it needs to perform. in command invocations, this involves setting the appropriate flag vars instead of using a limit_std*_cmd alias.