Revision 9110
Added by Aaron Marcuse-Kubitza almost 12 years ago
| lib/sh/util.sh | ||
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#### verbose output |
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# usage: (stdout2stderr; cmd...) || return |
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# `|| return` needed on Mac because of bug where -e doesn't apply to() |
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stdout2stderr() { exec >&2; }
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usage() { echo "Usage: $1" >&2; (exit 2); }
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### logging |
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# set verbosity |
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if isset verbose; then : "${verbosity:=$(bool2int "$verbose")}"; fi
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: "${verbosity=3}" # default
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fi # load new aliases |
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if self_being_included; then |
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### command echoing |
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echo_cmd() |
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{
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case "$1" in command) # command implied by the log_level |
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log "$*" |
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} |
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## external commands |
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alias echo_run_prep='cmd2rel_path; echo_cmd "$@"; indent' |
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fi # load new aliases |
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echo_run() { echo_run_prep; "$@"; }
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# auto-echo common external commands |
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for cmd in rm; do alias "$cmd=echo_run $cmd"; done; unset cmd |
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# echo all external commands |
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alias command="echo_run command -- " # last space alias-expands next word |
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# commands that are always external |
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for cmd in env; do alias "$cmd=command $cmd"; done; unset cmd |
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## functions |
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function echo_func() |
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{
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inc_log_level |
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local script="$(canon_rel_path "${BASH_SOURCE[1]}")"
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echo_cmd "$script:${BASH_LINENO[0]}" "${FUNCNAME[1]}" "$@"
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} |
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alias echo_func='echo_func "$@"' |
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## vars |
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echo_vars() # usage: echo_vars var... |
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{
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inc_log_level; inc_log_level |
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if can_log; then |
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local var |
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for var in "${@%%=*}"; do { echo -n "$PS4"; declare -p "$var";} >&2;done
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fi |
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} |
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echo_export() { builtin export "$@"; echo_vars "$@"; }
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if test "$verbosity" -ge 2; then |
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alias export="echo_export" # automatically echo env vars when they are set |
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fi |
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### external command verbose output |
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# usage: ([stdout2stderr=1] limit_stderr; cmd...) || return |
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# `|| return` needed on Mac because of bug where -e doesn't apply to () |
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function limit_stderr() |
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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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# auto-echo common external commands |
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for cmd in rm; do alias "$cmd=echo_run $cmd"; done; unset cmd |
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# echo all external commands |
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alias command="echo_run command -- " # last space alias-expands next word |
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### external command input/output |
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# commands that are always external |
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for cmd in env; do alias "$cmd=command $cmd"; done; unset cmd |
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function echo_func() |
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{
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inc_log_level |
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local script="$(canon_rel_path "${BASH_SOURCE[1]}")"
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echo_cmd "$script:${BASH_LINENO[0]}" "${FUNCNAME[1]}" "$@"
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} |
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alias echo_func='echo_func "$@"' |
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# usage: cmd1 | { pipe_delay; cmd2; }
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alias pipe_delay='sleep 0.1' # s; display after leading output of cmd1 |
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alias echo_stdout='echo_stdin' # usage: cmd|echo_stdout |
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echo_vars() # usage: echo_vars var... |
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{
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inc_log_level; inc_log_level |
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if can_log; then |
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local var |
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for var in "${@%%=*}"; do { echo -n "$PS4"; declare -p "$var";} >&2;done
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fi |
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} |
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echo_export() { builtin export "$@"; echo_vars "$@"; }
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if test "$verbosity" -ge 2; then |
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alias export="echo_export" # automatically echo env vars when they are set |
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fi |
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usage() { echo "Usage: $1" >&2; (exit 2); }
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fi # load new aliases |
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if self_being_included; then |
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Also available in: Unified diff
lib/sh/util.sh: verbose output: put commands into subsections